Need Confirmation on Exhaust Cam Specs: 2001 BP-ZE
So I'm working with a former NASA engineer on developing a header for my car...really smart guy who has been working on cars for a very long time. He's been designing his own exhausts and headers for over 40 years based on formulas from who knows where. All I know is the man is a miracle worker and every car he's ever worked on has made unbelievable power and torque after what he did.
Anyway, I need the exhaust cam specs for my motor and wanted to know if these numbers I found were correct. Any information is appreciated! Thanks ahead of time guys. Bore: 83mm Stroke: 85mm Exhaust Cam Specs Duration: 250* @ .003" Opening: 56* BBDC Closing: 14* ATDC Lobe Height: 44.600mm (1.7560") Base Circle: 35.941mm (1.415") Lift: 8.6614mm (.341") Valve Overlap: 19* |
:sigh: i meant BP-Z3 not ZE.......
Anyway, im pretty sure i found the proper specs in the rules for Spec Miata |
ive seen 2 conflicting sources....
http://www.solomiata.com/cams.html vs http://www.nasaproracing.com/rules/spec_miata_rules.pdf |
Hmmmm
I suspect that Spec Miata rules are the correct set of numbers. The spec miata rules are super strict |
I tend to agree. Also some of the valve timing values don't really match up quite right with the duration from the solomiata site. check out this thread
https://www.miataturbo.net/engine-performance-56/exhintake-mod-nb-head-63166/ |
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