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Gearing
I totally agree about DROPPING the RPM's. The 6 speed final gear ratio is almost identical, the only advantage is less RPM drop while changing the middle gears.
My career silvertop project, I am using a Geo/Corolla tranny, 1994 with the 7age engine. The differential is 15% Taller (lower rpm). Fortunately, first gear is 15% lower so overall first gear ratio remains uneffected, while gears 2-15 are 15% higher.
THe 10-15% better MPG would be sweet.
SUpposedly one can "easily" mix and match internal gears and differentials amung the C series trannys.
IMHO settle for the 15% (improvement) upgrade the C50 to a stronger C52 and call it a done deal.
BTW legend has it that the silvertop engine is more efficient, I am hoping for 40-42mpg. With the improved suspension, my car should be fast, fun and CHEAP to operate! 42 MPG in a fun to drive daily driver!! WOO WOO
Kerry
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