Plenum Port/Polish
Date Started:  September 1, 2009
Date Completed:  October 31, 2009
Est. Days Worked on:  4
Comments:  Port and Polish the lower plenum for smoother uninterupted flow. Lowered the front intake runners to resemble mrev2 manifold.

Click Images for Hi-Res.



Casting Surface

Big casting flaw

Grinded off the top of the front runners

Before I started grinding

After around 30 mins

After an hour with 80 grit

another 30 minutes with 120 grit








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2008, Robert Miller