PowerStrokeNation : Ford Powerstroke Diesel Forum - View Single Post - GOS Perfromance?
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post #10 of (permalink) Old 05-12-2010, 04:50 PM
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Join Date: Feb 2010
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Re: GOS Perfromance?

if you're trying to add a GTP38r to an early '99 PSD then there is more than just swapping them. you need to convert certain items to '99.5+. also it's efficiency range is up to roughly 500hp.

Early '99 (8/98) F350 CC LB, 7.3 PSD, 4x4, ZF6, 3.73, aFe Stage 2
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