Thread: Roush 427sr-tw or 427r?
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Old 07-17-2016, 04:37 PM
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mln385 mln385 is offline
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Cobra Make, Engine: BDR
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6900 miles on my 427SR/TW prefers 1500 or more rpm with 3:46 rear so if your thinking about the R you will need at least 3:73 rear to keep the RPM's up to stay in power band.

What rear gear does each car have do you know?
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