Talked to Wilson Manifolds yesterday and i am having a " mid level full port" done. That includes work on full length of the runners but no major cutting I assume. Since there are a lot of changes to the combo, the comparison to the " before" dyno numbers will be hard to figure.
The changes are-
Changed from Milodon gear drive to belt drive.
.240 longer rods
.036/036/3mm rings with lower tension, from .043/.043/3/16 low tension?
Gibtech pistons, L2L coated on skirts same as original pistons.
New wrist pins, DLC COATED .205 wall thick( from .180)
BMP block, aluminum versus iron megablock
Same center weighted Crower crank, which I hope will reduce any issues of distortion and ring seal that may come from a non center weighted crank.
Everything else will remain the same dyno sheet from June 2020

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8..603 156 mph best, 2905 lbs 549, indy 572-13, alky