4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

max hp on stock internals

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Old 09-18-2006, 12:21 AM
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89sc02gt
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Default max hp on stock internals

how much hp can the stock internals handle im making 340hp at the wheels thats with a 125 shot of nitrous and bolt ons i was wanting to change the cams but i dont want to rebuild the motor yet so what do you guys think is a safe limit on hp
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Old 09-18-2006, 12:23 AM
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2000GT4.6
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Default RE: max hp on stock internals

your making only 340 to the tire with a 125 shot?

Generally 440~ or so RWHP is the limit, but i haven't heard of to many people going over a 125 shot on a general basis and having the motor live to see it. Some people get away with a 150 for awhile, but imo its only a matter of time.
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Old 09-18-2006, 01:10 AM
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89sc02gt
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Default RE: max hp on stock internals

thanks for the info yeah 340hp was all i got but that was with the stock fuel pump and the guy who ran it said it was running lean so i had to get a new fuel pump so ill have to see what i can get out of it now
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Old 09-18-2006, 02:04 AM
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racer02GTstang
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Default RE: max hp on stock internals

im pushing 450+ rwhp im sure but i just gotta put her on the dyno to find out... not sure how much longer she has left of this power though. haha.
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