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Old 12-23-2011, 09:53 AM
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adantessr adantessr is offline
'23 T-Bucket Pickup
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Originally Posted by cobalt327
Might be a 2.41 ratio:

w/26.7" diameter tires and 1560 RPM= 51.44 mph

2100 RPM= 69.24 mph
Thanks Mark. That sounds just about exactly what I am running for rpm @ mph. The rearend is an early front loader GM used from '55 thru '64 . When I bought a pinion seal, and gave the guy at the parts counter the part number off of the old seal, it referenced a '57 chev. Now if I ever blow it up with those super stock style burnouts I'll have an idea what ratio to look for. Of course I would tear it down and do a tooth count to confirm, before I ordered any parts . Allan
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