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Old 11-10-2013, 07:52 PM
eedeutsch eedeutsch is offline
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Join Date: Aug 2012
Location: Louisville, KY
Cobra Make, Engine: Backdraft Racing 427 SC
Posts: 49
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Question What ratio is the rear end

I know Backdraft uses BMW series 3 rear ends. What is the ratio ? I have a
450 hp Iconic Custom 427 supplied from Speed Fanatix. The car starts to
lug at 1700 rpm. Is this normal? The car is new one I received in May.
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