Has anyone found diff bearing cap bolts (9979-61-050A) source (higher quality like ARP). Have found Mazda bolts stretch after repeated reuse.
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At Cota I run 4.77 ring and pinion out of s2000
No second gear and better pull in 5th ????????
when I ran my stl miata, I ran a 4.44 pretty much everywhere.. I put that 4.77 for cota and it was magic. I had one timed lap before my starter failed ( after the rod blew it off the block) It was 1-1.5 seconds clear of the stl field for the entire weekend It sure was nice. I never ran that car there again
East Street Auto Parts
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