Originally Posted by
crash8212
EagleMark,
The fuel pressure runs at around 12psi and will drop to around 9 psi under heavy throttle. There is a good ground present so I doubt power is an issue, although the fuel pump may be a little weak as it has 130k on it (didn't replace it...yet).
PJG1173,
The cam is the stock 91 TBI. Everything is stock other than the heads, intake, headers and injectors.
Factory hp rating for the 91 TBI was around 135, 2000 was around 195hp, other than the cam 190-ish should be close to the rating of this engine which is why I originally believed the injectors were too small.
I am still VERY new to the tuning terminology so this is taking me a few minutes to decipher. I thought this might be a simple issue of turning off the EGR and VSS but now it seems I may be in a little over my head for a first time tuning endeavor. I understand about 99% of what all of you are discussing and suggesting but nearly 100% ignorant on how to go about merging bins, editing VE and SA tables for Vortec heads and such.
I have no idea what the BPW READ ME HACK is
I have 3-4 options at this point and I am trying to make the most cost and time effective judgement.
1 - Call up TBICHIPS.com and have a chip burnt with my specs (I think thats a long shot, but the owner seems to think its not, I am entirely skeptical)
2 - Attempt to learn this myself and buy an Ostrich to tinker a bit until I am sure I can do it then a burner to finalize and nag the heck out of the forum members through it all
3 - I learned today that a friend knows one of the GM engineers that helped originally pioneer the FI system for GM and knows EVERYTHING there is to know about them (according to friend) and he lives less than a mile from me and he still enjoys setting up OBD1 and OBD2 FI systems for his own and his friends race cars (8.0 second Camaros). Will try to pick his brain this weekend if he cares to meet me
4 - Carb and HEI (aka giving up, last resort)