Quote:
Originally Posted by 68GMCCustom
I have a brand new LY6 6.0L VVT motor. I am not going EFI for now, and will remove the VVT, EFI intake and use a carb and a 4bbl intake, and the MSD-6LS to fire the coil packs. I'll also swap the cam and springs for a hotter setup, but I am waiting for GM to finally release the LSX dual plane intake for standard decks. Its been in the GMPP catalog since '09. If they don't release the dual plane... I'll get the GM L92/LS3 single plane carb intake and the appropriate cam.
You should be able to tune out the tranny...as if it had a 5 speed stick or something. You may just have to get a ecm/pcm from a truck with a manual trans.
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I've got that same, albeit used, LY6 from an '07 2500 HD and was pretty sure you couldn't convert it to a manual tune because GM didnt offer a manual behind the LY6. Removing the efi and VVT would change that though, or so I would think