06-11-2012, 06:36 PM
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,519
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Quote:
Originally Posted by strictlypersonl
Just put the transmission output centerline at 3.5" (+/- .25") above the top plane of the X-member. If you have the Jag-based suspension, the differential angle varies as the suspension goes up and down. Matching angles with the suspension unloaded will not work.
We've used that height spec for 30 years, and never had a problem with the drive-shaft.
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Bob - this is a timely note. I was just getting ready to write about this subject after playing around with an angle gage on the drive train this evening. I'll set it at 3.5 inches.
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