Any of you guys running the ZZ4 with TBI?
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Joined: Mar 2005
Posts: 1,446
Likes: 1
From: Red Lion, PA
Car: 91 Camaro RS, 99 Camaro Z28
Engine: L03, LS1
Transmission: 700R4, T56
Axle/Gears: bunch of 10 bolts how scary is that
Any of you guys running the ZZ4 with TBI?
If so what TB, injectors, fuel pressure, etc. are you running.
I will be attempting to run TBI on one and just looking for some tips.
I know tuning is gonna be an issue but I rather not get into that yet.
I just want to get it started so I can dial it in myself.
I will be attempting to run TBI on one and just looking for some tips.
I know tuning is gonna be an issue but I rather not get into that yet.
I just want to get it started so I can dial it in myself.
Joined: Jan 2005
Posts: 10,426
Likes: 497
From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
https://www.thirdgen.org/forums/tbi/...i-zz4-cam.html
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Supreme Member
Joined: Mar 2005
Posts: 1,446
Likes: 1
From: Red Lion, PA
Car: 91 Camaro RS, 99 Camaro Z28
Engine: L03, LS1
Transmission: 700R4, T56
Axle/Gears: bunch of 10 bolts how scary is that
Yea but your running the MAF set up which I rather not get into. (Looking for that classic carb look)
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Supreme Member
Joined: Mar 2005
Posts: 1,446
Likes: 1
From: Red Lion, PA
Car: 91 Camaro RS, 99 Camaro Z28
Engine: L03, LS1
Transmission: 700R4, T56
Axle/Gears: bunch of 10 bolts how scary is that
What is EBL? I read on people using it and trouble shooting. Did a search and just a lot of people using it. But what is it? Can I still use prominator with what ever it is?
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Joined: Jan 2002
Posts: 9,962
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From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
Its embeded lockers. It eliminates the ROM, improves teh code, and offers high speed datalogging of the entire 256 byte RAM area, as well as other things like inputs for your wideband. It costs some money (~300 I think), but its alot better then trying to use the stock computer, which totally blows chunks. The other alternative is to use a PCM with the stock code, which isnt bad, and the hardware is much more capable then a C3. You get things like potential E-trans control, variable fueling while cranking so you dont have protracted cold cranks or floods, full PID idle routines so the engine idles well, etc. The draw back is that fewer people use them and theyre more complex, but theres still alot of knowledge about how they work, so you wont be in the dark.
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Also, I think the prominator should still work with either of the two.
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Also, I think the prominator should still work with either of the two.
Last edited by dimented24x7; Jan 2, 2007 at 02:34 PM. Reason: Automerged Doublepost
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Joined: Oct 2005
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From: Dyer, In
Car: 91 Camaro RS
Engine: 355 Vortec
Transmission: 700r4
Axle/Gears: 3.42
I am running a larger cam than the ZZ4 with the ecm. I would suggest the BBC TBI with 80lb injectors or you could try the 350 (61lb) injectors at about 24 psi. It should start with the stock l03 ecm but will be rich and not run well. It will take a lot of tuning to get it to run well, but it is do-able. Good luck.
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