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what fuel pump to use

Old Jun 21, 2008 | 02:35 PM
  #1  
400 hp's Avatar
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From: mass
Car: 86 z28
Engine: 355 113 heads ported HSR hot cam
Transmission: th350
Axle/Gears: 7.5 342
what fuel pump to use

i just put in a new fuel pump a Dynapex hp. brand pump no good my fuel presure goes to o psi when i nail the gas. my stock pump was not that bad
so what is a good pump to buy. should i run a stock in tank pump and a exteral pump. its a pain to keep pulling my tank.. my new motor is a 355 with hsr. and aluminum heads. 380hp.
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Old Jun 21, 2008 | 02:57 PM
  #2  
impaled's Avatar
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Car: 1985 Camaro and 1996 Mustang GT
Engine: 350 4bbl/281
Transmission: 700R4/4R70W
Axle/Gears: 9" rear/8.8" 4.10
Re: what fuel pump to use

rwhp x .5lbs = weight of fuel @WOT. divide by 6 to get the volume and there is your answer as far as flow goes.

i would personally go holley.
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Old Jun 21, 2008 | 03:08 PM
  #3  
400 hp's Avatar
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From: mass
Car: 86 z28
Engine: 355 113 heads ported HSR hot cam
Transmission: th350
Axle/Gears: 7.5 342
Re: what fuel pump to use

well i think i will go with racetronix fuel system kit with wire harness. looks like a nice kit..
http://www.racetronix.com/RX-FL98-FPKG-2.html
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Old Jun 21, 2008 | 05:27 PM
  #4  
Air_Adam's Avatar
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Joined: Oct 2002
Posts: 9,067
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Re: what fuel pump to use

Holley makes a good fuel pump, as does racetronix.
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