91 rs camaro replaced the 305 with a stock 350. used the 305 tbi system, and when it runs at idle it spits fuel out of the tbi like the motor is blowing it out, and it wont rev past 4 grand. any ideas?

 

check ALL of your vacumm lines and make sure nothing is backwards, and possibly yhour valve timing is off and the valves are throwing fuel back through cuz there not opening and closing at the proper time, possibly your computer. you really didnt leave enough information, the only other way is if there is some wierd air pressure in the plenum forcing that air back through. did you rebuild this engine?

 

no, i didnt build this one. my brothers car had the lo3, he put the tbi stuff on a 350 and changed motors from the car. it was running all crazy but ideling. there are a lot of senors and vacum lines undone, im trying to go through all that with him.

 

the vacuum lines are quite easy to follow. the line out of the front of the tbi that runs almost directly up to the aircleaner housing is that vac line that everyone seems to be plugging. here you should have no problem.

 

thanks for the help, had to go ahead and put on a carb till i have more time to play with it.