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darrin darrin is online now
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Join Date: Oct 2008
Location: Denver, CO
Posts: 3,507
Bill:

Interesting comparison, especially since my '86 carrera is likely due for a transmission refresh soon. Looks to me like the only differences are that the '76 has slightly shorter 2nd and 5th gears.

I presume that the shorter second gear would make the car a bit more responsive acceleration-wise (as one would be higher up on the powerband when second is engaged). However, since I use 5th as a cruising gear in my daily driver 911 and don't see maximizing acceleration above 128mph as being a priority, I'm wondering whether a good improvement for my 135+k mile 915 (which is likely close to needing a rebulid) would include substituting this slightly shorter second gear for its stock second gear.

The only issue I'm having with my 915 at this juncture is a BIT of grinding going into second gear. Would a shorter second gear in any way be more robust?
Old 04-14-2010, 03:38 PM
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