Non PI 4.6 RWHP?

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01-28-2007, 08:28 PM

mcmmotorsports

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Join Date: Apr 2006

Location: Wappingers Falls, NuYawk

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Non PI 4.6 RWHP?

What is the Max RWHP you can get out of a NPI motor? No cams, just a good tune, pulley's, exhaust (no headers) and maybe a CAI.

01-28-2007, 08:50 PM

PureStang

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Location: Downingtown/West Chester, PA

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id say bout 210hp

01-28-2007, 10:21 PM

Badfish

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Location: Colorado Springs

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423534 rwhp

search it

01-28-2007, 10:30 PM

GREG@SN95

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Location: JACKSON NJ

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not too much... heads are restrictive as hell... ya'll def wanna port and polish them... and with a good motor balence ya'll make ok power...

01-29-2007, 11:06 AM

r3dn3ck

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Join Date: Nov 2005

Location: Magrathea/California

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MM&FF got like 230 before they started getting into stuff like cams and such. With straight bolt-on's I've only ever seen 210-220rwhp.

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