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Re: Street/strip diff upgrade: D60 vs 9" pros & cons
[Re: SportF]
#1752527
02/25/15 03:38 PM
02/25/15 03:38 PM
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Joined: Jan 2008
Posts: 4,254 Canada
WO23Coronet
master
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master
Joined: Jan 2008
Posts: 4,254
Canada
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Quote:
Well, they are saying 12 bolt gears, and with the pinion higher, I doubt the support bearing is possible.
I don't exactly agree with someone calling the 9" a power robber, there was a 1.5% difference in power output, which could be caused by a simple temperature or barometric change. Maybe they accounted for that, don't remember reading that though. Did anybody see if they accounted for "weather/altitude" change?
Overall it was a really interesting test of rears, but what if bearing pre-load is on the high side of one rear, and low on the other.
I no doubt learned something there, but it wouldn't change my mind as to which rear I would choose.
If they loose the pinion bearing support with a 12 bolt drop out in a 9" housing what's the strength advantage? You basically have an 8 3/4 then (12 bolt has a 8 7/8 ring gear).......
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