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Procharger Crank Pulley

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Old Dec 29, 2011 | 12:54 PM
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Default Procharger Crank Pulley

I need to know what the center to center measurement on the 7.65" crank pulley is that procharger uses. Also they only use 3 bolts to mount the pulley to the balance, correct?

If someone has one laying around and could measure it for me i would appreciate it.
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Old Dec 29, 2011 | 01:15 PM
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http://shop.brutespeed.com/ATI-DC017...DC017A-008.htm
It does bolt on using three bolts, I don't have one in front of me though to give you the measurement. Hopefully someone chimes in. Bob
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Old Dec 29, 2011 | 08:20 PM
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your best bet may be to call ATI products. they have live customer service reps. mine is on the car in the shop 30 miles away.
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Old Dec 30, 2011 | 10:05 AM
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When you say "center to center", are you wanting the distance between the bolt holes?
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Old Dec 30, 2011 | 01:27 PM
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Originally Posted by gpr
I need to know what the center to center measurement on the 7.65" crank pulley is that procharger uses. Also they only use 3 bolts to mount the pulley to the balance, correct?

If someone has one laying around and could measure it for me i would appreciate it.
Please tell me you are going to make an 8" crank pulley for these cars?
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Old Dec 31, 2011 | 08:56 AM
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Nope wanted to 100% verify the crank pulley would mount to power bond balancer.

would a 8" crank pulley fit on an f body?
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Old Jan 3, 2012 | 01:37 PM
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Originally Posted by gpr
Nope wanted to 100% verify the crank pulley would mount to power bond balancer.

would a 8" crank pulley fit on an f body?
I have never found any balancer other than an ATI Performance Products to fit, as that is what ProCharger used to design their crank pulley.

An 8 inch crank pulley will indeed fit, years ago we had a one inch oversize one (8.65) made for us for a customer's car back at the old shop. Bob
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Old Jan 3, 2012 | 03:47 PM
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Bob,
Got any pics or more info on that pulley?
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Old Jan 3, 2012 | 03:51 PM
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Originally Posted by No Juice
Bob,
Got any pics or more info on that pulley?
No I don't. It was years ago when we were attempting to max out a D-1SC with the stock J Bracket. We figured that if we made the crank pulley larger we would end up with a larger pulley on the head unit and get more belt wrap. It worked to a degree we were able to get 16 psi of boost but we had the belt tension cranked really tight. If you use the SDCE or the Aster bracket, a larger crank pulley really shouldn't be needed. Bob
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