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Posted: **Wed Jul 13, 2011 4:29 pm**

G'day,

This is my first adventure into porting.
Ive got a few spare EJ20 Turbo Manifolds and turbos so i thought I would give it a go

Manifold straight off the heads

Before

After

alot of improvment to be had!

Turbo porting pictures to follow

Posted: **Wed Jul 13, 2011 4:33 pm**

excuse my ignorence but does this increase performance of an engine?

and does it only work for turbo engines?

Posted: **Wed Jul 13, 2011 4:42 pm**

Porting or Port Matching is applicable to both Inlet and Exhaust Manifolds.
Yeah it does net more power as it is more efficient for the flow of Air, Fuel and gasses.

Posted: **Wed Jul 13, 2011 4:42 pm**

it works for NA aswell
you can port Heads too

Posted: **Wed Jul 13, 2011 4:44 pm**

oh ok thanks

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Porting Results on EJ gear

Porting Results on EJ gear

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Porting Results on EJ gear

Porting Results on EJ gear

The ALL NEW AUSubaru.com.au Forums