Thread: V-12 with blowers
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Old April 14th, 2017, 04:06 AM
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Default Re: V-12 with blowers
Quote:
Originally Posted by TJ's GMC View Post
Would it be a waste of time to port magnum heads and out bigger valves in?
Magnum heads already have some pretty big valves so there's no need for bigger valves, I had my heads ported for my 478M.
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