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

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Old Aug 17, 2011 | 08:19 PM
  #1  
Dustin Thummel's Avatar
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From: Wichita Ks
Car: 92 Caprice
Engine: 305
Transmission: 700r4
Axle/Gears: 3.08
Hey everybody

Im going to start by saying I dont drive a camaro but a 92 chevy caprice which im pretty sure has the same 305 and trans in it as the camaro but im putting a new motor in it that I built but its an early 305 and my intake bolts dont line up so ive been reading about the adapters for the carbed intake but im not sure which one to buy and did you have to re rout any vacume or water line, any help would be awsome
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Old Aug 18, 2011 | 11:24 AM
  #2  
UnderCover89TBI's Avatar
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: Hey everybody

the intake to cylinder head bolts dont line up? the centerbolt heads have different angled center intake bolts. you have to either buy a correct manifold, or oblong the center holes to make it work. you can buy a 4 barrel carb to tbi adapter at a few places. thier is one for sale in the for sale section of this site.
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Old Aug 18, 2011 | 11:37 AM
  #3  
Dustin Thummel's Avatar
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From: Wichita Ks
Car: 92 Caprice
Engine: 305
Transmission: 700r4
Axle/Gears: 3.08
Re: Hey everybody

Do you know if those adapters work well or not, im getting a holley carb intake and I just dont want to waste my time with it if it wont work.
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Old Aug 18, 2011 | 11:40 AM
  #4  
UnderCover89TBI's Avatar
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: Hey everybody

They do not make an adapter that I know of to convert a centerbolt manifold into a standard manifold. you can oblong the holes for that. The adapter im talking about is for the TBI unit to go onto the top of a carb manifold. they work. Never used one but its a pretty simple setup.
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Old Aug 18, 2011 | 11:56 AM
  #5  
Dustin Thummel's Avatar
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Joined: Aug 2011
Posts: 31
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From: Wichita Ks
Car: 92 Caprice
Engine: 305
Transmission: 700r4
Axle/Gears: 3.08
Re: Hey everybody

Yeah thats what I was wanting to do is put the tbi on the carb intake.
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Old Aug 19, 2011 | 01:57 PM
  #6  
Ronny's Avatar
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From: wisconsin
Re: Hey everybody

Originally Posted by Dustin Thummel
Yeah thats what I was wanting to do is put the tbi on the carb intake.
I bought one from Howell. dont know their address. They specialize in conversion of carb to EFI using GM stuff rather than aftermarket(holley etc).
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Old Aug 19, 2011 | 02:57 PM
  #7  
UnderCover89TBI's Avatar
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From: Manteca,California. Nor Cal.
Car: SOLD IT. Mopar guy only now.
Engine: gone
Transmission: gone
Axle/Gears: gone
Re: Hey everybody

https://www.thirdgen.org/forums/engi...17-45-tbi.html

here is one for sale on this site.
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