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Old 01-07-2013, 02:11 PM   #1
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ported

I'm getting close to doing a pi swap on mine. I've been thinking about having them ported and polishied with a 5 angle. Is it worth the cost to do it on these heads?
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Old 01-07-2013, 03:50 PM   #2
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I would ported pi heads flow really well and you would benefit some nice gains. If i had an extra set id port them and then install them on mine
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1996 Mustang GT, 17x9 front and 17x10.5 cobra r replica rims, 255/40/17 front 285/40/17 rear at the moment,
o/r x-pipe flow master 40 series dump downs, cai/ram intake, 75mm c&l throttle body and plenum, pi heads and intake swap, msd wires, stock gears, untuned at the moment, no dyno numbers for now.
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Old 01-07-2013, 07:24 PM   #3
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I had my factory PI heads completely overhauled ported polished, 5 angle, and 1mm over sized stainless valves. I picked up between 25 to 30rwhp.
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Old 01-07-2013, 07:30 PM   #4
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What kinda gains would you think it makes?
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Old 01-07-2013, 07:32 PM   #5
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Quote:
Originally Posted by Cdbformula View Post
What kinda gains would you think it makes?
I edited my post between 25-30 rwhp on a blower car and no pulley change
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Old 01-07-2013, 07:59 PM   #6
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Originally Posted by Mzilla View Post
I had my factory PI heads completely overhauled ported polished, 5 angle, and 1mm over sized stainless valves. I picked up between 25 to 30rwhp.
What did this cost you..ballpark figure?
And doing this to a n/a make that big of a difference with stock cams?
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Old 01-07-2013, 08:26 PM   #7
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I have a little over a grand with labor and parts
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