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Old 06-24-2009, 04:00 PM   #1
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Join Date: Mar 2007
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Car: 86 IROC-Z, 82 z28
Engine: 383 Stroker
Transmission: TH-350
Axle/Gears: 3.73 Torsen, 4.56 Auburn

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Pro-Topine S/R Torkers worth porting?
- Are these heads worth a professional porting or should I save up for some AFRs?
- How do these heads compare to World S/R Torquers?

I have these heads on my 383. They have 167cc runners and 67cc chambers. 2.02 intake valves, and 1.6 exhaust. I am looking for more power especially in the 4-6k RPM range.

Thanks!!!!
Last edited by elano; 06-25-2009 at 01:16 AM.
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Old 07-01-2009, 10:21 PM   #2
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Re: Pro-Topine S/R Torkers worth porting?
The S/R isnt a bad Head. I have had much luck porting them with flow bench tested results. They will never be an AFR head by anymeans but they are good bang for there buck.
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Old 07-16-2009, 07:14 PM   #3
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Join Date: Mar 2007
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Car: 86 IROC-Z, 82 z28
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Transmission: TH-350
Axle/Gears: 3.73 Torsen, 4.56 Auburn

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Re: Pro-Topine S/R Torkers worth porting?
Cool, thanks man!! Do you remember any of the flow numbers?
Last edited by elano; 07-17-2009 at 02:02 AM.
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Old 07-16-2009, 07:14 PM
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