340 Big momma rattler

[PRH]

Do you have the Intake Closing angle for that cam? - Degrees after bottom dead centre.

intake lobe advertised is 289*
Int cl of 103

289/2 = 144.5
144.5 - 103 = 41.5
289 - 41.5 = 247.5
247.5 -180(TDC to BDC) = 67.5 ABDC

Advertised is 289/297, 109lsa
Which works out to 74* overlap

 

[4eighteener]

This one has a custom head with hemi chamber/ enhanced squish band and a Teddy Boyko ported cylinder.

Hopefully, you ditched the old corte cossa's

 

[mbaird]

Hopefully, you ditched the old corte cossa's

Yep .. just got a custom Ohlins from Noleens.