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Thread: 94 cam dowel pin Question
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04-10-2009, 01:12 PM #1
94 cam dowel pin Question
I am putting in my cam and was needing to know what the dowel cam pin length need to be. I have a custom grind Comp Cam and I am pretty sure the dowel pin that comes with it is the long dowel pin.
Thanks for the help guys!!!!!
Brandon
94 Z28 A4, Best 60'-1.797 1/8-8.02 1/4-12.98 at 104.37 SOLD!!!!!!!!
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04-10-2009, 03:02 PM #2
If you doin the vented swap then you need .500. Im pretty sure the non vented is .350-.400 but I cant remember for sure.
1995 Z28- 11.01 at 120, 1.41 60'
N/A leaving off the foot brake
http://www.youtube.com/watch?v=oWyJjTrdzag
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04-10-2009, 03:43 PM #3
Vented should be around .62 to .65.
http://shbox.com/ci/ci289.jpg
Since you have a 94 and you didn't specify if you upgraded the opti, I'm going to assume you have the unvented version. I've read that you can tap the pin further into the cam face to where you need it or just grind it down with a cutting wheel.1997 Pontiac Trans Am WS6 clone | Build Thread | - just needs paint!
2001 Chevy Silverado 2500HD (the DD)
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04-10-2009, 08:34 PM #4
FYI,,,,If it has not been upgraded it would not be a dowel pin. It would be a center positioned spline.
'94 Formula m6: AI 200cc h/c - MWC - Moser 12bolt
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04-10-2009, 09:53 PM #51997 Pontiac Trans Am WS6 clone | Build Thread | - just needs paint!
2001 Chevy Silverado 2500HD (the DD)
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04-10-2009, 10:28 PM #6
Oh, you are talking cam sprocket. my bad, I was on the opti drive pin.
Last edited by 3DFORMULA; 04-10-2009 at 10:31 PM.
'94 Formula m6: AI 200cc h/c - MWC - Moser 12bolt
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04-11-2009, 03:26 AM #7
We were, but maybe I misunderstood. Just to clarify, both 93-94 and 95-97 cams have dowel pins (that is, the locating pin for the cam sprocket). On 93-94, the pin is short and is exclusively for locating the cam sprocket. On 95-97's, the pin is longer and is additionally used for driving the optispark. Not to be confused with the splined shaft that drives the older unvented opti.
1997 Pontiac Trans Am WS6 clone | Build Thread | - just needs paint!
2001 Chevy Silverado 2500HD (the DD)
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04-11-2009, 11:47 PM #8
I just cut it down to match the stock one.
Brandon
94 Z28 A4, Best 60'-1.797 1/8-8.02 1/4-12.98 at 104.37 SOLD!!!!!!!!
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