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1983 z28 help??? computer or fuel problem

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Old Feb 11, 2008 | 09:50 PM
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david068513's Avatar
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From: Ganiesville GA
Car: 1992 z28/1992 RS heritage edition
Engine: 350 tpi, 305 tbi
Transmission: 700R4,T5
Axle/Gears: G92
1983 z28 help??? computer or fuel problem

Ok so I am looking into buying my friends car. it has been in and out of a shop or not running. it isnt getting fuel. they replaced the fuel pump. I believe it is a sending unit. they are checking the injectors tomorrow. Now what I want to know is If I get this car and pull the engine even though I know its good. Would this problem afect me? if its the sending unit I know it will but if its the computer will it? even if I go carb? btw its CFI
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Old Feb 12, 2008 | 01:00 AM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
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Why would you pull the engine?

If you go carb, you need to remove that new pump from the sending unit and put a mechanical pump on the engine (well, don't "need" to, but that would be your best bet for solving the problem).
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Old Feb 12, 2008 | 03:32 PM
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From: Ganiesville GA
Car: 1992 z28/1992 RS heritage edition
Engine: 350 tpi, 305 tbi
Transmission: 700R4,T5
Axle/Gears: G92
Re: 1983 z28 help??? computer or fuel problem

first off I don't have to pull it put this was gonna be a project car. I already have my 1992 z28 in almost perfect condition and wanted something to work on. I have a 350 block already. I was thinking just build a nice 350 for it. paint it(it is spray paint black right now) do the interior and have a good driver/performance car. Does anyone know what the problem could be though?
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Old Feb 12, 2008 | 09:25 PM
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From: Ganiesville GA
Car: 1992 z28/1992 RS heritage edition
Engine: 350 tpi, 305 tbi
Transmission: 700R4,T5
Axle/Gears: G92
Re: 1983 z28 help??? computer or fuel problem

need info. mon. it goes to teh crusher if I don't get it.
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Old Feb 13, 2008 | 06:07 PM
  #5  
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From: Chesterfield, VA
Car: '86 IROC, black and sharp
Engine: 305 tpi, bone stock
Transmission: 700r4
Axle/Gears: 3.42 pos w/rear db
Re: 1983 z28 help??? computer or fuel problem

If it's an automatic putting a 350 in it with a carb. and vacuum distributor should be a breeze. The TBI fuel pumps put out too much pressure for a carb. so you either replace the fuel pump (like someone suggested earlier) or put a pressure regulator in the line to drop the pressure down to around 5 to 7 psi for the carb.
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Old Feb 15, 2008 | 04:13 PM
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From: Ganiesville GA
Car: 1992 z28/1992 RS heritage edition
Engine: 350 tpi, 305 tbi
Transmission: 700R4,T5
Axle/Gears: G92
Re: 1983 z28 help??? computer or fuel problem

ok but does anyone know what is wrong with it?
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