#5  
Old 10-28-2009, 07:54 PM
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cartmanea
cartmanea is offline
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Join Date: Jun 2007
Location: Corvallis, OR
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About halfway down the page, uses E40D sun shell, isn't this it?

#9. C-6 lower geared steel forward planet gear with 6 pinion gears. First gear is geared 10% lower and second is geared 5% lower than a stock C-6 (2.71 first, 1.53 second). You get the six pinion steel planet gear, hub, bearing, ring gear and sun gear. Provides drag racers with more acceleration and tow vehicles or motor homes with more pulling power without changing axle ratios. No machining required. Cost $229.00. This kit requires a 1976 up forward clutch drum, if needed $49.00 #1XXX. It also requires an E4OD sun shell, Cost $16.00 if needed. It will require the use of at least one more thrust bearing not supplied.