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upgrade fuel lines?

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Old Nov 5, 2006 | 12:39 PM
  #1  
MaNiAk86's Avatar
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From: Highwood, IL
Car: 1983 trans am
Engine: Vortec 350 w/ a comp cam
Transmission: B&Mth350 2800holeshot
Axle/Gears: 10bolt 3.23's
upgrade fuel lines?

i am in the process of getting my car ready for a 355(400 hp) tpi swap. it curentlly has a 305 tpi and i know i have to upgrade the stock fuel pump. i was going to go with a walbro. but what i am unsure about is do i need to upgrade my stock fuel lines? i think they are in good shape but that new pump will flow alot more volume than the stocker.

-all your help is greatly appreciated as this is my first engine swap and im doing all the work myself in my driveway!
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Old Nov 5, 2006 | 06:00 PM
  #2  
3.8TransAM's Avatar
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Joined: Feb 2000
Posts: 7,015
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From: Schererville , IN
Car: 91 GTA, 91 Formula, 89 TTA
Engine: all 225+ RWHP
Transmission: all OD
Axle/Gears: Always the good ones
Stock line will easily support that much as is.

I wouldnt worry about it.

later
Jeremy
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Old Nov 6, 2006 | 08:10 PM
  #3  
Fastbird's Avatar
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From: Freehold, NJ
Car: 1991 Formula
Engine: 434
Transmission: PG
Axle/Gears: 4.33
I have the Holley 255 in tank pump and the stock lines on my car.

It is enough to power a 406 with about 500 HP at the crank all the way up to 7000 rpms without running out of fuel.....

just some food for thought on how adequate the stock lines are.
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