I suspect the "R' stands for solid roller. If it was a hydraulic roller it might be engraved "HR".
.Just a hunch.
Note here on the solid roller the "288R-10"
https://www.cspracing.com/comp-cams-...22zNTZVXf5iUTt
Another one: https://coastalraceparts.com/product...-CPLYzyY79G-Gu
And yes, the -10 indicates the cam is ground with a 110 LSA
.
__________________
'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE
Last edited by Steve C.; 11-24-2024 at 11:01 PM.
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