My guess is you've got more power than the stock type C4 can take. You might look into a race prepped model....or step up to a C6.
OH YEAH...add voltage regulator to the list of damage directly caused by the U-joint.
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66 GT Fastback,fuel injected 5.0, 5-speed, cable clutch, JBA's and duals, 3.40 gears and handling mods...just call me "Doc"
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