LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

fuel pump question

Old Aug 28, 2013 | 03:33 PM
  #1  
pimpimusmaximus's Avatar
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From: San Antonio
Car: 1984 Z28 T-TOP
Engine: 355 Lt1 w/Hotcam
Transmission: TH700R4
Axle/Gears: 3.73 4th gen limited slip
fuel pump question

I swapped an LT1 with hotcam into my 84 Z28. I have been having cavitation issues with my inline puel pump setup. So I bought a TPI tank and sending unit and just ordered a bosch fuel pump. I know walbro or racetronix would work too, but the Bosch will work just fine (or at least other threads on this site say so). I know I'm gonna have to fix the fuel level wiring to work with my origionally carb'd car's wiring harness. Anything I'm missing?
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Old Aug 28, 2013 | 03:53 PM
  #2  
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
You need to get 12v to the pump as well.

What are you going to do about the gap that will be in the fuel line when you take out the in-line pump?
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Old Aug 29, 2013 | 07:48 AM
  #3  
pimpimusmaximus's Avatar
Thread Starter
Member
 
Joined: Aug 2010
Posts: 230
Likes: 0
From: San Antonio
Car: 1984 Z28 T-TOP
Engine: 355 Lt1 w/Hotcam
Transmission: TH700R4
Axle/Gears: 3.73 4th gen limited slip
Re: fuel pump question

Originally Posted by five7kid
You need to get 12v to the pump as well.

What are you going to do about the gap that will be in the fuel line when you take out the in-line pump?
Right now the pump is just outside the tank. I just pulled the end of the rubber lines that attach to the hard lines by the tank and re-routed the feed line through the inline pump. I can just extend the rubber hose about 8 inches and make the gap back up. And the 12v is easy considering I am running it all the way back by the tank now anyways.
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