Southern_Thunder

I'm about to buy a meth kit, along with a 2.9 pulley and possibly a dual pass endplate, and I was wondering what I should look for when tuning it with HP Tuners? Any advise? Thanks!

usafcobalt

Depends on the mix you run and what you want as a safety factor. You CAN pull fuel and add timing but if something goes wrong you chance a boom. Personally I just added timing up top. Ran it till I hit knock and backed off 3 degrees. I don't wanna chance pulling fuel but that's just me.