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01-17-2023, 07:53 PM
twobjshelbys
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Join Date: Jan 2009
Location: Las Vegas, NV
Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR
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Your low rpm rumble may be due to the cam than the carb. Do you have cam info? What is your idle speed? There are some engine guys that can talk about this and what you can expect.
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Tony
CSX4005LA
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