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Old 03-08-2009   #32
90 L98 TransAm
Registered User
Join Date: Mar 2006
Posts: 469

Re: Vortech Supercharger

Originally Posted by MunsonGTA
wonder why they'd suggest a block heater when that would do nothing for the supercharger itself. any other explanation other then tolerances?
that's the only explanation they give. the warning is on the first page of the street SC owners' manual:
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