Ls1 timing map

Ls1 timing map. . 09-11-2006, 06:22 PM #4. LS2/3/7 – This sets the dwell time of the LS2/3/7 coils. the car idles at 900rpm at around 51-52kpa pretty good, so i Jun 5, 2013 · Kyne. 8:1 CR, 90 mm ported FAST, Exo-Skel, 227/232 cam, QTP HVMC, EWP, GMMG, 9" w/4. Also wondered how much boost I can run on pump. 57 @ 109 at 5800' elevation; 11. Yes look in Jegs and Summitt if. So you could theoretically flatline each row from 3200rpm and up but slope it so that it's pulling 0. (The LS1 GTO is 1. Timing should be dialed in along with fueling as timing will affect fueling. Idle Timing Control: This will use timing to help stabilize the idle speed of your motor. com. These numbers seem slightly off because I'm accounting for the . high-flow cable operated 92mm or 102MM inlet throttle body and 36 lb or 55 lb flow-matched injectors. #2 · Jun 5, 2013. 1) I want to increase the length of the initial fuel prime when key is turned to on (car not running), as I currently need to do it 2-3 times before you hear the regulator/pump Feb 2, 2014 · Carbureted LS ignition. 230. Once the fuel table is tuned, carefully read the plugs to determine how much timing to put back in it. When you compare the two you will see the difference. Make sure stoich is correct too, not sure where or what fuel is 13. Map reading doesnt change from 10kPa while running or key on engine off. injector timing gen 3 & gen 4. Use this for your cranking timing. 1302 posts · Joined 2006. Feed back welcome. 2- liter LS3 engine uses a 2-bar pressure sensor, while the LSA and LS9 use a trio of sensors—one on the inlet side before the supercharger, and two on the outlet side, after the supercharger and intercooler. Read the timing. by Scott Danforth. Load (Throttle Percentage) 1,000. Ran it at the track, then ran it up to 30* it picked up. Not sure what would be considered a good base setup for timing. If you have the air/fuel ratio set properly and your engine can idle somewhat decently, even if it's by holding the throttle pedal down off closed-throttle to keep the engine from stalling, you can begin by setting a ball-park ignition advance value. With a stock LS, the factory idle speed will be around 550 - 600 RPM. The 3. 2L motor is blessed with performance features that include lofty compression (for a street motor Feb 23, 2022 · One more trick feature is the Launch Retard map. This sensor is found on 1991–1992 TPI engines and 1992–1997 LT1 engines. May 7, 2013 · my blowthrough LS timing setup is a very rough initial setup only run on the engine dyno, and my engine setup is different, but here it is: base timing is 17*( I would start down around 14* on yours)on the RPM timing graph MAP timing is adding 15*(to give 32* max timing) at less than 14. • DESCRIPTION: The Performer RPM LS1 Intake Manifold allows the user to retro-fit any GEN III-based longblock into an early vehicle, using a carburetor. 4. *. 1 in ENGINE DIAGNOSTICS>AIRFLOW>THROTTLE POSITION SENSOR. 04g/cyl increment and when you log a pull it'll still have a "curve' to the Dec 7, 2020 · yes the 24-28 total timing is for stock to large cam for most pump gas injected deals. May 19, 2017 · 1) Launch the Holley EFI software from the icon on your desktop. Commonly known as Base Maps or Default Maps, we at Link choose to call them Start Up maps. Cam is 240/238 115. Dec 21, 2012 · MSD's 6LS ignition control only requires connections for the coils, crank sensor, MAP sensor and the camshaft sensor. 82 @ 114 at HPT. 11-23-2007, 06:17 PM #3. 00 once the engine is above 130 degree coolant temp. I personally have found what little I have tinkered with stock LS1 engines that about 22-24 degrees is pretty close for what I have with the 241 heads, that was closer to sea level. Only a street tune though, no dyno time. Upped it to 32* and it picked up again. I have the same oil pump. 0 (bone stock other than LS9 cam. This timing table is from the 20 PSI 6. Here's an LS1 example with a 22x/23x 115lsa cam in a C5 Vette Here's another LS1 example with a 23x/23x 112lsa cam in a custom Mazda Spark table review/tune review - LS1 C5 Corvette with medium cam and FBO. Values are 0~720 degrees after TDC on the power stroke. May 2, 2016 · The parts we ordered from Summit Racing to convert to an LS2 front-mounted cam sensor included the timing cover, the cam sensor and wiring harness adapter, and the appropriate cam gear. The LS1 block shown Aug 15, 2022 · 7056 posts · Joined 2011. You want it to be just a bit above the actual cranking speed, probably 250 is a better number. He will show you the tools and techniques you need to get the best Oct 22, 2022 · Idle timing: 22°. The LS6—introduced for the 2001 Chevy Corvette Z06—is also a Gen III 5. Be careful on an LS3. Today i just finished another Goat with dart 225 heads and a 232/236 111lsa cam. It would have saved every engine I have seen hurt from overly high Jan 28, 2005 · This is the first time I have heard of a stock ls1/ls6 that let a timing chain go. :gr_devil: Diablosport Technical Representative:gr_devil: . set your burst knock airmass limiter to 8 and zero the entire vs. #3 · Oct 16, 2015 (Edited) Sure you can and you might as well replace the oil pump as you have to take that off to do the lower sprocket and the chain. Tags: None. Mar 24, 2017 · The setup is a LY6 6. I'm a week or two away from getting it on the road. 2006 Phantom Black Metallic I Red I One of 416. STEP 1. 5" exhaust is 27% larger in diameter, but 65% larger in cross-sectional area. #5 · Jun 15, 2018. Jun 13, 2018 · 30 posts · Joined 2015. The Victor Jr. A good timing curve should look like the inverse of a torque curve on a dyno graph. No, MS does not require the VSS signal. 0. #6 · Sep 28, 2009. 392. by DaveMcLain » Thu May 14, 2015 1:41 am. Went to start doing some tuning and first thing I noticed was the power curve was very rough. The Main Setup is filled in with the Jan 5, 2023 · Sample Safe Ignition Table Stock, NA, 87 octane:0 : 13500: 181000: 221500-3000: 363500-Redline: 28Sample Safe Ignition timing Cammed, SBE, Boosted, E85:0: 05 Jan 26, 2015 · Better In Time: LS Cam Timing. Empty your fuel tank, just run the tank as empty as you can, Doesn´t really matter if there is some gas left, When you fill it up the next time you´l know you only have E85. LS Adjustable Timing Pointer Kit (Truck / 5th Gen Camaro Spacing) 10-11004. Idle Spark: P Term-40, D Term-60. I see two things in your tune that need attention. (661) 644-4624. although I've never had the crank out of mine I would assume you just line the dots up the same as when you're doing a cam swap. For each 360 degree turn of the crank gear, the cam gear only turns 180 degrees. truroofomaha@gmail. This signal is used for the following operations: Altitude compensation Ignition timing control Speed density fuel management default (MAF sensor failure). 2lsa. LS1_4L60E – Stock 1998 LS1 Camaro calibration - 4L60E transmission – Stock Fuel Injectors - Drive by wire - Ignition type set to Factory 24x DIS ignition. All that is required is a vacuum hose from the intake manifold plenum to the sensor. Runs a carbureted LS engine without complicated EFI hardware; Map a timing curve using Pro-Data+ software Engine is an ls1, 230ish cam, truck heads, headers, EFI super victor, throttlebody, Mafless, with the C06 Corvette (LS6) injectors and a detchworks pressure regulator. 610 lift. Join Date: Feb 2014. '82 Berlinetta, 2000 LS1/4L60E. hptuners. 22,554. This will aid in preventing timing chain wrap on the crankshaft sprocket. It provides six pre-programmed (non-editable) timing tables for stock engines, three customizable 3-D tables, and one customizable timing plot. 11. I have never been too thrilled at the idle quality from either o Apr 5, 2015 · With a LS you should be able to run way less timing than that. unsure of a stock tune would have issues with that cam when idling. The differences between preignition and detonation. Much appreciated. Hi HPT folks, I would like the confirmation of a seasoned tuner to confirm if it's safe enough what I've done to my spark tables (High/Low octane are equal) and my current MAX Knock retard values for both PE and non PE tables. It has. 13k miles) LSA supercharger with stock pulleys, Should make around 8psi Holley Dominator EFI setup for flex fuel. 3L ls tuning. Open the VCM Editor>Edit>Transmission>Torque Management. The original damper is tan and the newer LS2 damper is black (and much cheaper). Stay “tuned” as we find out just what kind of power Corn Star can muster in our next installment. sensor number 19418807 AC Delco. 05-23-2024 07:52 PM. The VVT style is deeper and requires a truck-style water pump to clear. Just don't go crazy and go too high. 0 from 1200 to 3600 and 0. Ported L92/L76 I Streetsweeper HTR I SLP LT I LoudMouth 2 I MGW-P. a tuning guide i found based on hptuners. Load up on timing leading up to peak torque, lower it at peak torque and then ramp it up again to redline. Mass Air Flow (MAF Oct 14, 2014 · Doubling the diameter will quadruple the area. All the timing you were adding was drying up the fuel but you should be able to be close to the timing curve I listed with the fuel map where it should be. If the start is met EOI retards towards the end of boundary, if both the start and end of the boundary are met, SOI to EOI is greater than 720 degrees, IDC is maxxed out. The MAP sensors for LS engines are mostly interchangeable, except for the LS7 sensor. 3L LS Timing vs. That is not real critical, but with it set at 600 • DESCRIPTION: The Performer RPM LS1 Intake Manifold allows the user to retro-fit any GEN III-based longblock into an early vehicle, using a carburetor. Truck – This sets the dwell time of the early truck coils. Jun 1, 2009 · Ran mine at 28* for quite a long time. 5 or 0. 050 inch. There’s even a step retard in case you want to run a little nitrous in the mix. ohio. Jan 11, 2007 · 3. good luck with your swap! 11-09-2009, 09:27 PM #9. 09-12-2018 #11. This chart is a simplified example of a load-based timing map that originated from an 87-octane GM 5. Low to mid 20's on timing is great for power on a 6. 5. Effects of spark plug heat range, compression, boost, octane, etc. It uses the stock gears since it's a single chain. Step 2: Replace the vacuum line to the distributor and check the timing again. 3L LS truck engine. Have deleted the MAF. Stay conservative on the timing until you know what your charge temps are. 7L aluminum-block V8 car engine that first appeared in the 1997 Chevrolet Corvette. Spitters and backfires on cranking which makes me think timing but have tried everything +/- 30 deg from stock settings. The problem with the ls9 is the data requires a negative intercept and the e40 won't accept that. Timing is controlled by the computer Mar 14, 2009 · Each time the #1 piston is a top dead center, the dot on the crank gear will be at the 12 o'clock position. #9 · Aug 14, 2018. 5- bar MAP, PN 12592525. Posts. The manifold includes an electronic Timing Control Module, which picks up MAP, Crank Position, Cam Position, and drives the stock Coil-On-Plug ignition system with the proper ignition timing. First, the cranking speed is 600, that is too high. The LS1/LS6/LS2 MAP sensor (bottom left) is sealed to the intake manifold with a rubber seal. 9 above that. This is my first time messing with a turbo setup and was looking for advice on timing on 93 pump gas. The cam turns at half the speed of the crank. Set MAF fail frequency to 0 to force it into Speed Density mode. 10 gears 1. 85 @ 120mph. Sep 26, 2016 · Simply put, the Gen III V-8 is one of the most impressive packages in how it positively reacts to power-adding parts. id creep up on it an read the Aug 11, 2017 · Although the LS1 and LS6 engines share similar nuances, the LS6 sported structural enhancements to the block along with bay-to-bay breathing, which made the LS6 a better block. I believe the older LS1's with older cast heads like even more ignition lead but not certain. May 7, 2013 · This was on it's way to 22. 7 aluminum-block V8. 4: click over on Abuse Mode Torque Reduction vs RPM. carbs like to be in the 28-32 on norm if on pump (got to love the cooling effect of a carb) being e85 you can throw 2* more at it. Use this number for your idle timing. Here’s the factory 2-bar sensor for LS9/LSA engine. You are not going to find much on timing tuning other than go to the dyno and see what works best (but even this isn't 100% accurate). 0, no real reason to try and max it out. Apr 24, 2021 · Set the AFR first and get it to idle close using the preset fuel base map and learning features if needed. Aug 29, 2005 · There is a multiplier table that can be used to reduce the effect of the timing retard vs IAT as RPM changes. If this is a brand new build and tune, then yes, make a global change with 2-3* less timing and start tuning the fuel. It's a truck-oriented off road engine built into a 5. Mike Litsch . It should be set to “ENABLED” on any motor that also used a computer controlled Sep 27, 2009 · Mike@Diablosport. First time swapper. By Richard Holdener. This setting can only be modified from the RPM Timing Curve edit graph on the lower right of the screen. For mild cams, an idle ignition timing advance of approximately 16-18 degrees will do. 0 -PRC 225 heads -Custom Ultradyne cam 230dur 601 lift 108lsa -950 Carb -Vic Jr -1 3/4Headers -4200 Stall -4. Location. 8,093. The PlugIn ECU engine Start-Up maps are also stored within PC Link meaning you can download maps for any of the PlugIn ECU range we have, plus more. Ya, it's kinda strange that the same thing happend to both motors. LS1 intake manifold is a high-rise single plane intake capable of supporting up to 600 hp. ) The thought is that when the car is moving Sep 26, 2023 · the timing table that Quickii posted is about average for a ls engine. Timming Gear. As you saw early in this book, just bolting on a set of CNC-ported LS6 heads, an LS6 intake, and a performance cam boosted the power on a stock 345-hp LS1 (370 standard correction) to 450+ hp. Sulski Performance Tuning. For example, let’s look at a GM LS2 Base Map. Location of the LS1/LS6 MAP sensor is located on rear of the intake manifold. There are no timing marks on the balancer and it can go on the crank in any position. Mar 1, 2010 · 302 Ford Turbo – 302 Ford GT40 crate engine - 2 Bar MAP sensor - Single 66mm turbo - 66 lb/hr Holley injectors - Ignition type set to Ford TFI. Apr 22, 2019 · Do not set the open loop EQ ratio to 1. Upped it another degree and it stayed about the same. actually he did urge for the dual springs. set your PE maximum knock retard a little higher for where it can be on Feb 28, 2014 · Re: 5. Most of the info I've found suggest a cam like this will idle better with 22-28° timing, and in general leaner AFR being better (suggestions have been between 14. 3 shortblock, around 8. Target Idle AFR: 14. LS6 intake, shaved 317 heads, free-flowing air intake, long tube headers, 3600 stall, 3. most like around 26-28 degrees at max rpm. 11s. . 0 w/ hand ported 317's, coated dished piston. Dec 21, 2012 · Requiring only connections for the coils, crank sensor, MAP sensor and the camshaft sensor, this ignition system is a simple way to go old school with natural aspiration. LS2 is not the BEST chain in the performance market but for your application, it is more than enough. rbrack. 73 posi. LS1 accepts a square bore carburetor and includes an electronic timing module that picks up MAP, crank position, and cam position in order to drive the stock LS1 Coil-on-Plug ignition system. The juice isn't worth the squeeze. 75-8. That is one of the benefits is that you can use high and low octane, IIRC. Nov 18, 2011 · Dropping engine temp (fan settings) and running high octane allows a couple more degrees in timing, so the increases can vary by engine. Machining tolerances and installation errors Jan 4, 2016 · The row axis is defined in grams/cylinder meaning the more airmass in the cylinder at that specific rpm the further down the timing table it'll read. Note: When plotting a timing curve by using the RPM Table or MAP Table through your PC, there must NOT be a Timing Module installed. 0 KB, 574 views) Mar 29, 2018 · Other improvements include a built-in 2. 4) Double-click on the “496 650HP” (or other applicable engine) Global Folder. you can put 20-21 degrees below idle rpm and that should be enough to keep it from dying out. BC Aug 2005. Car wont idle past 15-20 seconds. Oct 19, 2017 · The LS1 engine is a Gen III 5. If I was to do it over again, I would use the Katech Chain, since you won't have to remove the gear from the crankshaft (which is a bitch). Oct 6, 2011 · Here are a few examples of three LS1's I've done recently to show some examples. Also motor is cammed. 7L in my Sonoma. My full timing (32°) is in by 2000 rpm on my graph. 98 Formula. Dsteck has a plug and play sensor for the e40. The outlet sensor on the factory supercharged engines is a 2. burst knock is rarely correct in retarding timing. Improper installation may result in poor performance and engine or vehicle damage. In the LS1 (and I would assume the LS2) this table is much higher. Product Description. Jun 8, 2016 · The LS3 sensor, along with the inlet sensors for the LSA and LS9, are the same GM PN: 12591290. Its doing fine so far. A stock LS3 is a perfect example, as the factory 6. It was hamburger. Attached Files. 165. If the CAMSHAFT GEAR DOT is at the 6 o'clock Jun 21, 2020 · Explanation of engine timing. Thank you. https://www. 5 psi and it only saw it for a split second, then stock rings butted, and I put a hole in the block on 18*. Mar 30, 2017 · The 6. 47 60ft 10. 17799 posts · Joined 2004. Pcm of NC hot rod cam stage 2. 4k rpm. Ran nice straight off the bat. To save valueble "tuningtime" use HPTuners and change your Stoich AFR to 9. Apr 2009. If you guys could give me your input or post your E85 Base Timing Tables, it would be greatly appreciated. In my experience, and that's all it is, turbo LS (5. 1. 2014 camaro 2ss/rs. When you modify that engine and fit a large aggressive cam, you need to consider what RPM that engine is now going to want to idle at. You need to leave it like factory, it's that way for a reason. Load Map. Sep 15, 2019 · OK for the past 7yrs I have lazily accepted that Good Enough was great and it really wasn't. PCM Tuning Process Flow. The desired table/plot is selected on the fly Aug 19, 2011 · Just remember that the MAP is inversely proportional to what is measured with a vacuum gauge. 3) Double-click on the Custom Calibrations (Cals) folder. Also, this belongs in the Internal Engine Section. 2: Set Abuse Mode Enable False. This map The MSD 6014 LS Ignition controller works with 24x/1x and 58x/4x crank/cam configurations. I am referring to An A4 camaro SS here so dunno about anyone else. I have a 18° engine, 11:1CR, softened chambers and it will jump up on the converter and make 12psi in 1. We have free, accessible start-up maps for a range of vehicles from a 1UZ to a MX5 1. In addition to valve springs and rockers, the cam needs to match the compression, torque converter, rear-end gears, etc. 75 deg per 0. 0, I've opted for what I'd consider the safer option for now), and a slightly higher RPM. I'd download some tunes from the repository and see what others are running and how their tables look like. While the LS6 emerged from the factory with more power than the LS1, both engines can make the same power with common upgrades. Senior Member. Personally on your setup I'd try 24 degrees in the high octane table and 19 or 20 in the low at WOT. Piston-to-valve clearance is very tight with cams over 230-degree duration @ 0. Learn how to set up the timing on your GM LS engine with Bad Daddy Braddy, a professional mechanic and car enthusiast. Latest tune and logs attached. Fuel looks great, no codes, all sensors are correct, timing seemed to make the biggest difference in starting but still very difficult to get to fire off. Like. Scott Danforth on 04-30-2024. 06 duramax. A Base Map has as much information entered as possible, leaving only the settings unique to your setup left to add in. In your case, if your buddy gets a new LS6 have him get a heavy duty timing chain. Timing table is now 20deg@10lbs, 18deg@12-16lbs, and 16deg@19-24lbs Combo is a stock bore 6. It is always a good idea to verify timing prior to tuning or starting your engine up on a new build. Features. Checking the logs the commanded timing is down a little from 1000-2500rpm but I can account for that from the intake Air temp being 44 Jan 20, 2023 · An LS3 style cover with the cam sensor will fit on a Gen 3. Any ideas are appreciated. Motion Raceworks Timing Pointers make quick and easy work of adding a timing pointer to your LS engine. RPM table. HP Tuners. One of the critical elements in any performance LS motor is cam timing. 5-bar MAP sensor that reads both part-throttle vacuum tuning points plus you can use this sensor to help determine boost retard timing. RedHot99T/A. Also recommended ls2 chain, no gears. I've tuned a couple of cars besides mine, and they all had similar cams, kpa at idle has been between 50-52kpa so far, at around 800rpm, base timing set at 17* on the idle cells. Mar 24, 2020 · Setting TDC using a Motion Raceworks Timing Pointer on an LS engine. Mar 1, 2008 · MSD Ignition LS1 LS6 Timing & Rev Control - Build An Ignition Curve. 2sec with 36° timing. 98 right out of the pump. 1480 posts · Joined 2010. Look at LS1howto. Feb 13, 2015 · The early GM MAP sensor (top) has a provision for being mounted just about anywhere it fits. The coil was relocated to the plug, and the aluminum engines were as strong as iron blocks making it an ideal base for your tuning project. Aug 13, 2018 · 6363 posts · Joined 2005. he said that would peak at about 6200, shift at 6400, and set redline at 6800. In this This is why it is important to put a lot of effort into idle tuning in order to replicate the quality you would expect from a factory car. 3 window. May 6, 2018 · max out the P1514/P0068 value to 4. 345 hp (257 kW) at 5,600 rpm and 350 lbft (475 Nm) at 4,400 rpm. The cam all but dictates the character or personality of the motor. The cam moves your MAP readings up so the stock timing table settings are skewed off a bit. 060" wall thickness. 2000 WS6 M6 - LS6 (long block, refreshed top end), 10. 2) Choose Open Global Folder. I'm running a 3 bar GM map sensor if it matters. 3L using a 206/212 112lsa cam. LS engines respond well to cam swaps. Set it back to *32 which is 33. 350 hp (261 kW) at 5,600 rpm and 365 lbft (495 Nm) at 4,400 rpm. Curious why you ask. on tim Nov 16, 2017 · Upgrading the LS3 Camshaft and Valvetrain. Oct 17, 2013 · Any Haltech users care to share their timing maps? Or anyone see any obvious issues with mine? PS500, LS1 Coils, Stock F54/P90A, Stock turbo, FMIC, 60lb injectors, etc etc. Best: 12. This serves as a great tuning tool on the drag strip, as does the 8MB of data recording storage provided in the 6LS as well! May 17, 2017 · 5. Thanks, Ryan May 14, 2015 · Chevy LS, Verifying Timing. May 1, 2008 · This car's PCM had a stock 2001 F-body tune. Engine versions included VT,VX, VU,WH, VY, WK, VZ. svede1212. Mar 18, 2015 · camarols1. Ignore this step for a standard transmission (M6) and continue to step 2. 79 Malibu 3200lb w/driver 275/60 MT Drag Radials -Stock LQ4 6. Why Setting and Verifying Timing on Your LS and other Fuel Injected Engine is so Important. actual knock retard will remove timing if need be. I would measure the distance between the bolt holes in the block, and then figure which you need from there. Power-up with a module installed will override the saved timing plot. Dec 7, 2018 · Step 1: Disconnect the vacuum line from your existing distributor and plug it with a golf tee or appropriately-sized screw to avoid a vacuum leak. VERY GOOD! Im running an LS2 chain with a big cam high 240's at . In the Holden calibrations, this table is set to 0 after 4. Good luck with your tuning. If you had a intercooler you could run the 28 degree plus timing like I mentioned a few posts earlier. Apr 30, 2012 · If you are only looking for a perf type tune you only need to change the timing in the 90-100 kpa area by adding 2* which should be ok running 93 octane. MAP Kpa at idle question. When using an aftermarket EFI system such as Holley EFI, MS3 Pro, Haltech, Fueltech and more you 100% HAVE to set and verify timing prior to tuning. 6L engine. It auto-detects the correct configuration based on the reluctor wheel pattern, so there is no need to select one. A few weeks ago I put together a Chevy LS engine for a customer and I've been wondering how builders verify the ignition timing on this type of engine. This allows you to retard the ignition timing at the launch to soften the power at the rear wheels, before the timing is ramped back in based on time. Jan 19, 2008 · One note, there are two versions of the damper and the bolt spacing is different. 580ish lift and 112 lsa. 3)s dont need a lot of LS1 – This sets the dwell time of the LS1/6 coils. The manifold includes an electronic Timing Control Module, which picks up MAP, Crank Position, Cam Position Jul 27, 2010 · LS 2 chain is a very good up-grade from your stock LS1 chain. Feb 5, 2014 · Jun 2012. FWIW, try adding timing during decel, it will reduce the popping quite a bit without the negative mileage affects of playing with DFCO. Nov 20, 2011 · Timing questions for turbo 364 ls1. by billr » Sat Mar 01, 2014 1:07 am. It takes a lot of time and understanding to be able to dial in timing tables. The Ultimate LS kits are designed to support either 500 hp or 750 hp to the flywheel and all kits include a 3 BAR MAP sensor for power adder applications that support up to 30 PSI of boost (3 BAR). Then Advance timing at idle from 16-18* upwards to find the highest MAP while getting the lowest idle. 01-30-2011, 07:44 AM #3. with that cam youll be around 22-24 for idle timing an do 28 total up top an pull the 1* per #. Changing the cam timing alone plays a huge roll. 0 -16. The LS3 sensor, along with the inlet sensors for the LSA and LS9, are the same GM PN: 12591290. A. 99 Ls1 in 81 Vette. 00, that is not the right way to do that. Nov 15, 2018 · With Corn Star officially mobile, we were off to the dyno to turn up the boost, add in some timing, and see what this street beast can make at the tire once and for all. 3: Set Abuse Mode RPM, Abuse Mode TPS and Abuse Mode Speed to 0. This LS1 was fitted with a FAST Edelbrock part #2908 Victor Jr. However my experience with those values is with 93 octane and an AFR of 12. From some information i found it suggests for medium cams , try within the range of 18-22 degrees of advance for a steady idle. Just make sure to log to verify its not picking up any knock. 5 actual. Sadi LS stuff doesn’t like much timing. On stock 243 heads 26 degrees of timing is a good safe absolute max to stop, and 28 degrees on LS1 heads. E67 ECU 80# injectors D1 ProChager 408 cid Oct 16, 2015 · you don't need to remove the engine to replace the timing chain. As of right now, boost peaks right at 11psi. The high octane table is active in the 1/2/3 bar OS. We show you how easy it is to convert a Gen III engine to a carb with the MSD LS6 Ignition-Control Box. A Base map, as the name suggests is a base to start working from in order to get your engine up and running as quickly and easily as possible. 7L from a 5. ported ls6 oil pump and comp springs. Exact timing depends on your driving conditions, where you shift and where your cam power curve is. 7psia, and it drops to 0 added (17*base) by 21-22psia. Curious what other people's timing maps look like. depending on cam overlap you should be around 16-18 degrees at idle. 8:1 compression. 799 (look at picture). Set all values in Normal to 0. 0 DBW base tune that came with the Holley. You can add about 2* across the table, but I'd go back and add a few degrees to the closed tps tables to keep them somewhat I was recommended a 228, squared or 228/232. Took it to a chassis dyno and he set it at 26*. May 7, 2019 · I'm running BR7EF NGK plugs and they look great running this table and the 91 octane fuel. A 3" diameter exhaust is only 1/4" (9%) larger than 2. That's with an LS6 cam, intake, 241 heads on a 5. Just have it tail off to 1. :huh: I saw one of the plugs that came out of the engine. The only drivetrain modifications were an aftermarket exhaust system, built 6-speed (stock ratios), and new clutch. And as for the knock sensors you can adjust the sensitvity with ls1 edit or any of the tunning software. Jul 11, 2022 · First timer LS1 Map reading. The MSD 6LS allows the user to map a timing advance curve, program the two step rev limiter or vacuum advance curve for your needs. Mar 8, 2020 · this is with the terminator software but nearly all holley tables are the exact same thingthoughts? questions, what to do next? let me know Aug 13, 2005 · 1: Open your editor, go to Edit>Transmission>Torque Management. Your cam should make peak power around 6200-6500rpm if the rest of the valvetrain is stable. There is no magic number, just give the engine what it wants and keep in mind that works on the street or dyno The LS1 intake is much smaller than a truck intake and the headers are also changing the airflow of the motor, so the factory MAF curve and VE table are wrong now. DISABLE ALL TORQUE MANAGEMENT – This will eliminate all torque management within the PCM. That is basically my timing map creation method I have posted several times on here thru the years using race gas or methanol. 75", but it's 20% larger in cross-sectional area. Most common method is start around 15* for 7psi, take it to dyno and advance 2* at a time till torque levels off, then back the timing off a couple degrees or until just before EGT rises logarithmicly. The low compression will help but the charge temps will dictate how much timing you can run. To prevent making changes to this tune, make a copy of this global folder, which is specific to your Feb 6, 2014 · By working off of the LS' 24-tooth reluctor wheel (MSD's 6LS-2 works off of the 58-tooth wheel), the 6LS box handles your LS engine's timing (not fuel) and can either be programmed with different Jul 15, 2021 · The timing on ls engines tends to be far less than generation 1 sbc engines, but they will make more power with just a cam change and will turn some rpm. #2 · Aug 15, 2022. So that is too much timing if you ask me. trico wiper blades. Depending on the cam specs 31* is definitely on the high side for base timing under full load conditions. BUT the cam gear dot will be at one of two different positions. Not around one of my mags right know but i know they do make them. xls (136. Here's the 5. ot sx fm tt gr vn zr gf tt fu