AFR? I barrowed an LM-1 from a friend ONCE but that was before I switched out the pulley for the 10lb.
the *tune* everyone on here freak'n mentions at every given oppurtunity is the biggest piece of CRAP i've ever heard. Every time I hear the statement "You must tune it!" I actually get a little angry inside
The truth is. the stock ECU is NOT THAT BAD. It can accomendate a number of mods before you actually NEED a tune. In my case, its JUST 10psi and exhaust. Im not pushing the type of power to actually NEED a tune.. NOR have a messed with enough stuff to MESS STUFF UP. Yea, you heard that correctly. 8 out of 10 times someone needs a tune is because they simply messed something up themselves. (another reason I didn't go h/c/i. too many things to mess up lol).
Yes, stock 19lb injector.. I DO have a large 225 fuel pump. Yes, the injectors are maxed out. No the car doesn't detonate. No, im not just *lucky*.
Of course, if I do anything else.. yes I will be better off looking for a tune.. but as I sit now.. its been two years boosted.. 36,000 miles. This is my DD and only car. Its never let me down and I dont believe its going to anytime soon (131k miles total)
Forget your fears about a tune. If the engine is stock and all ur doing is boost'n. You CAN get away with an FMU and no tune. Don't push it TOO hard.. stop before you pass 10psi.