Porting question
Team Owner
Joined: Aug 2003
Posts: 38,314
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If you are thinking about doing this yourself and have no prior experience with it, you might want to reconsider. That material is awful thin in places.
That said, I have seen reports here of 10-12 RWHP following installation of a ported intake manifold.
That said, I have seen reports here of 10-12 RWHP following installation of a ported intake manifold.
Race Director
Joined: Oct 2004
Posts: 10,516
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From: Virginia Bch VA
Cruise-In VI Veteran
Cruise-In VII Veteran
St. Jude Donor '06
10 RHWP for each depends who's doing the porting.
If I do it - you'll lose HP
You'll get answers between 10 & 50 from members
If I do it - you'll lose HP
You'll get answers between 10 & 50 from members
Melting Slicks
Joined: Oct 2005
Posts: 2,515
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From: Goleta California
Race Director
Joined: Oct 2004
Posts: 10,516
Likes: 2
From: Virginia Bch VA
Cruise-In VI Veteran
Cruise-In VII Veteran
St. Jude Donor '06
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Le Mans Master
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From: The left Coast
St. Jude Donor '08
I had american racing headers, ported intake, ported throttle body and tune by Tom Wong. The car dynoed at 375 hp on a mustang. I would guess about 385 on a dynojet. I also realized a slight increase in fuel economy. I would not expect a huge increase in HP from porting a throttle body.
Mustang vs Dynojet
Mustang vs Dynojet
Last edited by Maui; May 19, 2007 at 05:50 PM.
Melting Slicks
Joined: Nov 2004
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From: Denver PA
St. Jude Donor '07
I got 15/rwhp and 15/rwtq from the ported intake. Didn't dyno after the ported TB. Tuner said probably not HP gains on the TB, but the torque would be more in the lower range.
Heel & Toe
Joined: Jan 2006
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