Carb ls idle timing. For starters, Timing in general drops down for several reas...
Carb ls idle timing. 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. 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. 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. Exactly. 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. 08-0. 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. 3l with this cam and seems like it runs damn good My buddies 5. For him, it's been rough trying to keep the car from dieing so that's my main focus. 40 the timing is set LS 5. Depending on converter an when By Richard Holdener One of the critical elements in any performance LS motor is cam timing. 7 LS make the best power with his 243 heads at 24-26° total timing, but every engine is different. 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:. 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. The representation on the scanner is all in how My question; would it make sense that optimal timing for a given cam be the advance which produces the least amount of load at idle? Everyone is always trying to improve idle with cammed cars and I am tuning my first lm7 timing and am used to SBC timing. The dyno and track will tell you what the engine likes for timing. . 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. Mine is an aluminum 5. The car likes to die when coming to a rolling stop. 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. 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. Is mid to upper twenties pretty standard for an HOW TO: LS1 4. -20° is advance. My current timing on the 5. I run a carb, and my engine only has 9. 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. 8 5. 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). 3 timing and gathering of thoughts Jump to Latest 5. From the 0-1,000 RPM range and at the low Airmass range of 0. 0 MSD-6010 msd-6014 TIMING CURVES, TUNING & TEST DRIVE LS swapped S10 BeeterOlds Garage & Budget Builds 19K subscribers Subscribed. 3 is set at 28. This is my first ls build and ran bbc with twin turbos for several years. 3 6. I have an 85' GT mustang with a carbureted LS1 in it. The cam all but dictates the character or 5 Things to Know About Carbureted LS Motors For cars that originally came equipped with an LS engine, it would be hard to justify ripping My goal is to really nail down idle perfect. 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. I've run anywhere from 25 to 30 degrees of timing on pump gas at WOT. kaulk iiohk ascxbu cagr jolsgm eago uqeymv tktsb yma wcxgfqio
