Pit Crew
Xflow rally CR with piper 391
Hi lads
I have a 16 xflow clubman rally engine, big valve head. Twin 40's, just wet big wing sump , distributer. Long rods and forged pistons. Always used kent 244 which i liked until last rebuild replaced damaged cam and tried a piper 391
Feels fairly similar...
I would like get some of usual expertise guys here opinion on
What would be an ideal compression ratio to use with this camshaft !? Piper 391 296 deg duration. 11.18 lift
I would be using at least Miller's cvl turbo with 95 octane pump fuel or more likely 95 octane fuel mixed with sunoco 115 3 :1 which i feel is better
Thanks
Last edited by OPPOSITELOCK; 24-01-2020 at 22:18.
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