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OEM fuel pump good for 250HP?
I have a '99 3400 in an '90 Beretta GT. Currently running happily on the stock Beretta fuel pump, but I'm working on a mild turbo build with a goal of 250hp @ 6psi, and I have a feeling it won't keep up with that. I know I could just get a Walbro 255lph for $100, but I bet there's a fuel pump from another GM car or truck in the junkyard that would be perfect for this, and would only cost $30. Anybody know of a good donor? Grand Prix GTP? LT1 Camaro? TPI C/K1500? All of the above?
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12-04-2011 01:38 AM
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It will support 250HP easy assuming it's not worn out. I only had problems with my stock Z24 pump over 300 hp.
The pump from a syclone/typhoon is 255lph stock, that will support about anything you can do to it. You won't find one in the junk yard though. It's always best to buy fuel pumps new either way.
1989 Camaro RS; Cammed 3500 swap, 45mm ITB's, Street/Strip Kitted 700R4, 3500 stall, Megashifter, 3.73 posi, EQ- LT headers, 2.25" True Duals, X pipe, etc...
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The Pink Car
Never worth trying to save pennies on fuel delivery... on a turbo vehicle that will determine if the engine is going to he happy or knock and drop a rod.
Got Lope?
3500/3400 Hybrid, Custom Cam 216/240 .050 dur .517/.568 lift 112LSA
Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Modified headers.
Stage-1 Raybestos/Alto 4t60e, 3600 RevMax Converter, EP LSD, 3.69FDR
12.67@107.43 Chevy Fest, Epping NH Oct 2010 Nitrous 100shot
2007 Legacy GT Limited 5-speed 3" Turbo Back, Stage 2 tune 18PSI
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Thanks for the advice. I found this article as well: http://www.berettaspeed.com/informat...icle.php?id=23
Looks like for $61.79 at RockAuto I can have a little more margin of safety than the original pump, and still save almost $40 over a Walbro 255 
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