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Old 05-07-2019, 12:32 PM   #10
Minkota
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Join Date: Jun 2016
Location: West Palm Beach, Florida
Posts: 295
Re: Fan clutch install 72 GMC C15 350

Quote:
Originally Posted by 72c20customcamper View Post
I'm thinking a lot of people mistake the fan for engine revs. So they want to change the ratios or get an overdrive trans. My truck turbo 350 with 4:11 gears will comfortably run like this and I can still hear the radio ....
just out of curiosity, what is your RPM at around 60, what size tires? Stock Exhaust?

Mine has 3.73 and turns about 2900 at 60mph, with the Flowmasters it is very difficult to hear anything.
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