ls3 manual transmission

I don't think you could even do it. LS3 (for manual) and L99 (for auto) are very different engines internally. It wouldn't be a simple matter ofI recently bought an '87 FJ60 and will sent it out for a Connect & Cruise LS3 swap in the next few weeks. I've had a manual transmission in I have a gen 3 5.3L engine mated to a Porsche 930 manual transaxle. The tune file is from a stock 2001 GMC Yukon which was mated to an automatic transmission. then you'll need to ditch the auto transmission for a manual. folloW us as We find out the steps involved. Page 2. 105 v8 LS3 - Manual to Auto? I may have an opportunity to get a 2010 LS3 tied to its 6 speed manual transmission. It comes with everything from the