Concerning the wheel/tire vibration... have a knowledgeable operator of a Hunter GSP9700 roadforce balancer run all your wheels & tires through the roadforce/runout variation matching sequence.
I have seen tires that otherwise look fine have excessive roadforce variations. They balanced fine on a standard spin balancer but shook like crazy once installed on the vehicle... slapped it on a Hunter and found the tire was defective.
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1969 Chevelle
Old setup: Procharged/intercooled/EFI 353 SBC, TKO, ATS/SPC/Global West suspension, C6 brakes & hydroboost.
In progress: LS2, 3.0 Whipple, T56 Magnum, torque arm & watts link, Wilwood Aero6/4 brakes, Mk60 ABS, Vaporworx, floater 9" rear, etc.
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