Thread: Superformance Speedo Issues
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Old 04-24-2012, 08:43 PM
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Bannon Bannon is offline
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Join Date: Feb 2000
Location: Montpelier, VA
Cobra Make, Engine: Former Owner of both Superformance #2666 Roush 427IR and Superformance #1601 Ford Crate 460CI - 486 HP 510 ft\lbs TQ
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Default Superformance Speedo Issues
Hey folk,

Getting SPO2666 on the road tomorrow for a final state inspection On the drive tonight I matched my GPS against the speedo speed. I noticed that the speed is sluggish to get to 20 mph, Wants to hang at a 35mph between30 and 50mph. does not seem to go over about high 30's on the guage at higher speeds. I have the Rousch 427IR Tremec 600 and the data btr rear end

Any answers on how to fix this?

Thanks,

JB
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