RX7Club.com - Mazda RX7 Forum - Exhaust Port Runner Mods?

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Grizzly

09-12-02 03:39 PM

Exhaust Port Runner Mods?

What can i do to the SS Exhaust port Runners to help them flow better?

Chris

rotarygod

09-12-02 04:44 PM

check out the thread on "custom manifold pics" There is alot of info there that pertains to what you want to know.

RETed

09-13-02 07:46 PM

Why?&nbsp Those stock sleeves are on 500hp-600hp 13B's...how much power are you looking to make?

-Ted

Grizzly

09-14-02 06:07 AM

What stock SS sleeves? And yeh i'm after 500rwhp.

peejay

09-14-02 03:03 PM

The stock sleeves appear to be made out of stainless steel.

Lasse wankel

09-14-02 05:19 PM

For N/A PP engines i take out the sleeve and welding a 7' tapering from the inner port to the outer port (gasket) I´ve seen as much as 20-25% more flow with these mods so why shouldn't it be better with a turbo engine to?

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