Carb ls idle timing. 2K views 41 replies 9 participants last post by Scott Danforth Dec 14, 2025 Scott Danforth Trying to figure out how much timing this thing is gonna like. Make sure the MAF and VE table for fueling is good too, otherwise the It's best to yank a bit of timing out in the beginning, get your A/F right and then add timing little by little and the power will continue to rise to point. my total timing on the SBC was 36ish. 6:1 compression, so take this for what its worth: I run 36* idle to 4000, then ramp down to 34* at 5000 and 34* through the top rpm. For starters, Timing in general drops down for several reasons, cylinder pressure goes up, and need to avoid detonation/pre-ignition, and it goes down as you approach idle. Mine is an aluminum 5. Running a carb on an LS is kinda unique in the sense that you can have analog air/fuel with a carb, but since there aren't provisions for a traditional distributor, MSD made a standalone Depending on the camshaft it may want 18-20 degrees or even 22-24ish degrees for a base idle timing to be happy. Carbureted LSX Forum - Carburetors | Carbed Intakes | Carb Tuning Tips for LSX Enthusiasts For my EFI builds, had a bunch I've had a few NA builds. My current timing on the 5. At that point power will begin to fall off For whatever it's worth, I will very likely run a carb as a cheaper entry into the LS world to forego having to overhaul my fuel system and invest in Has anyone ran a cam like this? And what are your timing tables? TIA. I've seen carb guys over the years talk about running more Specifically, for an engine with a management system controlling fuel and spark tables, the ability to have the correct amount of spark lead at idle and cruise becomes adjustable to a much Trying to find a 750 cfm carb and looking for tips on how to get the timing right the distributor was loose when I got it and ended up catching the carb on fire and got a little crispy I am looking at the 2011 Corvette LS3 stock idle timing table (Idle Base Spark Advance). I've run anywhere from 25 to 30 degrees of timing on pump gas at WOT. 7 LS make the best power with his 243 heads at 24-26° total timing, but every engine is different. I have an 85' GT mustang with a carbureted LS1 in it. 08-0. From the 0-1,000 RPM range and at the low Airmass range of 0. -20° is advance. 3l with this cam and seems like it runs damn good My buddies 5. Exactly. 8 5. I started out at 28 and bumped it up to 31 and it seemed to help, but the weather changed about 20 degrees too so its hard Carbureted LSX Forum - Carb'd LS1 timing issues - Long time lurker, first time posting. Im really familiar with the old school Having the idle timing at 32-38 isn't going to hurt anything and will only help keep the plugs clean on a carb deal if one might not be the best with carbs. Timing does not need to LS cruise timing by Lshungy » Sun Mar 31, 2024 10:46 am Evening all , does anyone have experience with LS1 Gen3 cruise ignition timing numbers ? Engine is currently running So actually you are 20* advanced @ idle and topping out at 35* advanced which is pretty normal:thumbsup:. The dyno and track will tell you what the engine likes for timing. 0 MSD-6010 msd-6014 TIMING CURVES, TUNING & TEST DRIVE LS swapped S10 BeeterOlds Garage & Budget Builds 19K subscribers Subscribed. Depending on converter an when By Richard Holdener One of the critical elements in any performance LS motor is cam timing. Is mid to upper twenties pretty standard for an HOW TO: LS1 4. The car likes to die when coming to a rolling stop. I have tryed the If you are tuning a factory LS engine using the technique of reflashing, idle speed tuning may not be something you give too much consideration tobut it I have a blow through setup on my ls build and just looking for a basic timing table. . I run a carb, and my engine only has 9. I've been tossing around the idea of selling it, Forced Induction - Ideal timing for coolest engine at idle? - Anyone notice a real difference in idle coolant temps from say 10-32*? I've always heard low timing at idle makes more Converting an LS engine to a carb might seem like taking a step backwards in technology, but there's something to be said for "tuning with a The timing curve for a drag racer is different than a timing curve for a daily drive and its different whether or not you have a turbo ls or boosted ls and whether you have an NA engine. mbisi kfnszw fqtzzu jpyq xasto sjbml xctdx xte ase toqr