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intake porting a turbo

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Old 01-22-10, 06:01 PM
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707

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intake porting a turbo

what templete to use? just a street port

mazda trix offers = 87-95 Turbo Street Port Intake 49-222TT

racing beat offers a templete that does all 4-port engines 12a and 13b turbo.

the only difference i see is that mazda trix uses smaller primary ports.
Old 01-23-10, 11:00 AM
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Engine, Not Motor

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Smaller primary ports will tend to make more low end torque and have better idle quality.

I tend to use the RB template on the secondaries, and the primary ports from the Mazdatrix 6 port template on the primaries. This results in an engine that is very nice to drive and spools the turbo quickly. Great combination for a stock turbo or medium sized upgrade.

Last edited by Aaron Cake; 01-23-10 at 11:03 AM.
Old 01-23-10, 11:40 AM
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i use the RB templates. they didn't have a primary template years ago when i got it so i just use the secondary for primary as well and port it a little smaller with a strategy with the template.
Old 01-24-10, 10:15 PM
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Originally Posted by Aaron Cake
Smaller primary ports will tend to make more low end torque and have better idle quality.

I tend to use the RB template on the secondaries, and the primary ports from the Mazdatrix 6 port template on the primaries. This results in an engine that is very nice to drive and spools the turbo quickly. Great combination for a stock turbo or medium sized upgrade.
sounds like what i will need this spring , im gonna pick up another jdm S5 and rebuild it right away , for a back-up.
im always scared my motor will let go mid summer and ruin my season lol
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