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    ROUSH 427IR Oil recommendations.

    Hi My Superformance MkII is currently undergoing it's engine install, it is having a Roush 427IR with Borla 8 stack fuel injection - because of the Borla the engine has been supplied without initial test bed running. Information from Roush on oil recommendation appears limited to "10w30...
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    Webers

    Who Runs 48 IDA webers on a Rousch 402 motor? Any suggestions on initial jetting and chokes/Venturis?
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