04-13-2009, 11:03 AM
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CC Member
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Join Date: Feb 2006
Location: Scottsdale,
AZ
Cobra Make, Engine: Superformance, Roush 427R-095, Pro Systems carb, 2" headers, Buckshot Racefab side pipes, 10s off idle start
Posts: 705
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Not Ranked
That doesn't seem right.
I'm not sure about a particular set up, but for a predictable reference the Roush 427R with a single carb vs Roush 427IR with fuel injection might be a reasonable value comparison change expectation. They have really similar set ups other than the fuel. There's not much diffrence in power values. Actually the engine dyno sheet I got from Roush for my 427R with carb made more torque and HP than the advertized number for both the injected motor and the carb motor.
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