Quote:
Originally Posted by Wareagle
Any rear gear allowed the Blue RA II runs 4.33 - up to 2 1/2 inch exhaust from stock exhaust manifolds - factory style tires - that's a science hooking them up - also stock stroke engine with stock lift cam but more aggressive cam ramp profiles allowed
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I know.
4.33 8.2 10-Bolt gears were a Carry over from the Late 1961-Early 1963 SD421 Race program with 4.30 :1 gears.