need help quick!!
Thread Starter
Teching In
Joined: Feb 2013
Posts: 21
Likes: 0
From: carrollton, Ga
need help quick!! I'm pretty new to this lt1 stuff so I'm confused. Just started my 93 bird for the firest time after so changes. I added AFR 195cc heads, holley 58mm tb, comp xfi292 cam,1.6 RR, and 30lb injectors. My problem is when the engine is started it just doesn't rev and is very rich. When it gets to 3000 RPMs seems like it hits the rev limiter. It's running so rich it'll burn your eyes. Oh yeah, it also has a PMCforless program too.
Tune is probably off by a long shot if it won't even rev. What injectors do you have and are they really 30lbs @ 3 bar (LT1 fuel pressure)? Not all cars run the same fuel pressure so the injector flow values can vary at different psi. It sounds like the flow value in the tune is set too high causing your car to run pig rich so be careful. That much fuel can wash your cylinders, make its way down into your crankcase, and kill a bearing fairly quick.
And that 292 cam scares me. Is this in a 350 or do you have more cubes?
And that 292 cam scares me. Is this in a 350 or do you have more cubes?
Thread Starter
Teching In
Joined: Feb 2013
Posts: 21
Likes: 0
From: carrollton, Ga
It revs fine up to 300 then seems like it hits the rev limiter. Oh yeah it used almost 5 gallons of gas in 12 miles. For some reason when mine is almost totally out it maxes out full which I have gotten used to lol.
Trending Topics
If you really went through that much fuel in that distance,you now have a bigger problem than it initially was. I would do a leakdown test due to the possibility of fuel wash. You are certain the info given for the injectors was correct?
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo Thread Starter
Teching In
Joined: Feb 2013
Posts: 21
Likes: 0
From: carrollton, Ga
Yeah info was correct. I just emailed Marshall at PCMFL pics of the install and we're going from there. I haven't driven the car since finding out about the fuel consumption.
Thread Starter
Teching In
Joined: Feb 2013
Posts: 21
Likes: 0
From: carrollton, Ga
Wow! Thanks for all you that replied!!! Turns out it was an install mistake. I learned just because your buddy has a 614in motor with F3R doesn't mean he can read directions installing a prom! It was installed upside down! Still alittle rich but probably needs plugs
