Thread: Installed a Code 3 intake and code 3 Pulley (GAINED NO POWER)
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Old May 18, 2010 | 08:36 PM
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waldig
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From: VA
Talking Re: Installed a Code 3 intake and code 3 Pulley (GAINED NO POWER)
Just me but in a pinch you can measure the circumference of the pullies and get meanigful readings without a indicating caliper. C = Pi x Diameter.

Pull the tape measure out wrap it around and measure from like the 1" mark to the end of the tape where it crosses. Remember that you started at 1" ( to avoid the lump on the end of the tape ) and you have the diameter with a bit of a calculator. Pi is about 3.1416 FYI.

6.28 or 6.25 would be about 2" in diameter. If you have a mm tape life is easier; otherwise to get mm just multiply inches by 25.4, thus 2" would be about 50.8mm

Woody
 
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