Topic: 84 TBI modifications
in Forum: C4 Engines
Already a Member?
Click Here to Login
Not yet a Member?
Click Here to Register for Free!
Hi everyone, just finished rebuilding the engine on my 84. Literally everything is new except the block: heads, renegade intake, headers, all new internals. It's making a lot more hp now, but running lean. I am wondering if anyone has had their 84 TBI's bored out, and by who? I sent mine to Dr. Injector in Washington. He did nothing with mine and I almost had to sue to get my money back. Complete scam artist. Who have you used? Also are there any larger injectors that are a direct fit for the 84? I already upgraded to the 85 fuel pump.
Please help with any TBI recommendations at all. And I want to keep it a Cross Fire. That's what makes it unique!
Thanks in advance.
SPONSOR AD:: (Our Sponsors help support C4VR)
Standard Member
Moderator
Send PM
Moderator
Joined: 3/20/2009
Posts: 611
Vette(s): Black 1979 L-82
Black 1996 LT1
Black 1999 Coupe
A throttle body bore allows air.....if it is running lean, you don't need any more air...you need more fuel.
A larger injector increases fuel (so does a correctly working injector).
What makes you think it is running lean?
Have you rebuilt the injector?
Standard Member
Send PM
Mission Viejo, CA - USA
Joined: 3/18/2015
Posts: 74
Vette(s): Yellow '84 Coupe
Strats-N-Vettes said: What makes you think it is running lean?

Have you had the car on a dyno? Can you post results? What is your fuel pressure at full throttle?
|UPDATED|7/7/2017 10:35:14 PM (AZT)|/UPDATED|
in Forum: C4 Engines
SPONSOR AD: (Our Sponsors help support C4VR)