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OEM Cam Gears

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Old 02-05-2012, 08:20 PM
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Default OEM Cam Gears

After reading a rather muddled and vague thread on m.net about using OEM cam gears with the exhintake mod, I decided to take some empirical measurements and do some calculations.

On the Mk1 gears, the E slot appears to be as close as to 122.5º, whereas the Mk2 is 123º. Any one else measured them?
I used a DTI and rotary table mounted on a mill.

My calculations show you can get some adjustment by using different slots and numbers of teeth.
Attached Files
File Type: xls
CamGear Specs.xls (23.5 KB, 365 views)
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Old 02-05-2012, 08:47 PM
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Wow. That's quite a spreadsheet.
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Old 01-27-2015, 10:29 AM
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Holy Crap! Freaky Roadster, Thank You! I have been looking for something like the info in this spreadsheet for days. You just, well two and a half years ago, made my life a ton easier. Now, to decide whether I would do better powerwise to go with I+25 for 195.6 or E+10 for 200.7 degrees. Does anyone who has tuned an exhintake with cam gears have any input? on the final degree setting of the exhintake cam? I should probably mention that I have a 94
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