2 days ago · General Motors LS and LT Performance Forums, News, and Rumors

Aug 19, 2011 · Basic LS1 components Firing order: 1-8-7-2-6-5-4-3 The firing order of the LS1/Vortec V8 has been revised from the Gen I and Gen II engines. This was done to provide more power, less …

4 days ago · An online community for late model GM V8 engine performance enthusiasts.

Nov 26, 2025 · LS1.com | GM LSx Performance Forum Statistics Threads 167,043 Posts 2,875,766 Members 80,706 Welcome to our newest member, stevemarino24 Blogs 31 Entries 47 Last 24 …

5 days ago · LS1-LS2-LS3-LS6-LS7 PERFORMANCE - GM LS1, LS2, LS3, LS6, and LS7 engine discussion, how-to guides, and technical help.

Apr 21, 2021 · PCM Diagnostics & Tuning - PCM tuning and diagnostics for GM LS1, LS2, LS3, LS6, and LS7 V8 engines discussion, how-to guides, and technical help.

Dec 21, 2018 · Conversions & Swaps - GM Performance LS swap, LT swap, and LSX swap discussion, how-to guides, and technical help.

I have an 02 LS1 that came with the actual LS1 intake mani instead of the LS6, so I need to plug off the EGR (or atleast I think that it's the EGR) that sits in the intake mani right next to the TB. Any quick …

Jan 21, 2006 · Standard LS1 uses a 3.90" Bore and a 3.62" stroke, so using the formula bore X bore X stroke X # of cylinders X 0.7845 you end up with the stock 345.95 cubic inches. Using an aftermarket …

Should I buy LS1 or LS2 injectors? Is there a difference? Can someone point me in the right direction regarding the specific type or brand of injector that I should be looking for. I'm a stranger in a strange …