TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

4.3 to 5.7 tbi (plz read)

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Old Feb 16, 2006 | 04:47 PM
  #1  
dan_o_89_rs's Avatar
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From: Kentucky
Car: 89 camaro rs
Engine: 305 tbi
Transmission: 700r4
4.3 to 5.7 tbi (plz read)

alright guys, its been a while for me on here. but you guys have always been awesome help.

this isn't in a f-body, so please don't flame. my brother is looking at a 92 1500 to buy. I went to look at it with him. the guy said it had a 4.3 5-speed. he swapped in a 350 and 700r, but kept the throttle body from the 4.3.

suprisingly my bro said it ran pretty strong. it sounded alright too. theres just a couple of wires that need attention (clean up the engine a bit), no problem for me.

my main questions are about the induction. if a 350 chip would make this thing run better? or is this setup fine, assuming he's not looking for 400hp?

thanks!
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Old Feb 16, 2006 | 05:08 PM
  #2  
1320_Guy's Avatar
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From: Baton Rouge, LA
Car: 89 RS
Engine: 305
Transmission: th350
Well you shouldent have any problems with the 4.3 TB on a 350. Both of my friends camaros have 4.3 TBs on them. I am not positive about the computer tho, it would make sence with a 350 chip it would add alittle more fuel but again i am not shure. Someone should be able to help you.
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Old Feb 16, 2006 | 08:27 PM
  #3  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
I'll move this to TBI and let the mods there decide if it should live.

If it stays here, I'll kill it.
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Old Feb 17, 2006 | 01:35 PM
  #4  
Ronny's Avatar
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From: wisconsin
it would not run very well unless the tune was changed. i will suggest that was done by prior owner or a for hire tuner. in fact going from stock 350 to mod 350 does not run very well at all. ask me how i know?
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Old Feb 17, 2006 | 11:31 PM
  #5  
dan_o_89_rs's Avatar
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Joined: Feb 2005
Posts: 293
Likes: 1
From: Kentucky
Car: 89 camaro rs
Engine: 305 tbi
Transmission: 700r4
thanks for all the info and patience, five7kid. if the mods dont mind this staying alive... does anyone know if a 350 chip is the best route?
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