12-04-2011, 06:18 AM
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CC Member
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Join Date: Jun 2008
Location: Chester Springs,
PA
Cobra Make, Engine: Kirkham 289 FIA #690, FRPP 427 Boss engine
Posts: 764
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Not Ranked
Like I said, if it has a bolt on rear cover, it is not an 8" or 9". The 8" is basically a baby 9". It has some strength is properly built, but is really not ideal. If it has the cover, I guess it could be a 7.5", but I really doubt it, so logic says 8.8". What are the markings and are they stamped on a bolt on cover, a tag, or stamped on the rear of the pumpkin housing?
Try this:
What rear end ratio is in my Ford , do I have positraction? - Drivetrain.com
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RCR GT40 SOLD to Fast 5
Kirkham #690 289 FIA
Last edited by mreid; 12-04-2011 at 06:21 AM..
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