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Crank cog for supercharger

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Old Oct 29, 2012 | 04:02 PM
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Default Crank cog for supercharger

Im looking at a d1sc and will be fabbing my own brackets for my ls engine in a first gen Camaro. This is going to sound really stupid... But how do i hook the cog or 6-8 rip pulley to the crank? Do i have to have an aftermarket balancer? If so, which one will work?
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Old Oct 29, 2012 | 07:43 PM
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Anyone?
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Old Oct 29, 2012 | 08:07 PM
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ATI balancer works good with supercharger crank pullies.
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Old Oct 29, 2012 | 08:08 PM
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I have a ATI on mine, and the pulley bolts to it. It came with my vortech kit.
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Old Oct 29, 2012 | 08:37 PM
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Did you guys key the crank?
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Old Oct 29, 2012 | 08:44 PM
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If running stock crank then you need to pin the crank. I had an aftermarket crank.
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Old Oct 30, 2012 | 07:02 AM
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Next question.... What pulleys will work with the stock crank?
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Old Oct 30, 2012 | 04:13 PM
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Any pulley to fit an LS engine will work with the stock crank.

So what exactly is the question ?

Buying a kit will save you a lot of grief.
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Old Oct 30, 2012 | 07:03 PM
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There is no kit. I have an lq4 in a 68 Camaro. I have gone to great time and expense getting the kwik bracket and the proper ps pump on the right side. Every kit I've seen uses the reverse rotation procharger and i don't have the clearance to put the procharger in front of the engine. The only option is the brute speed transplant kit but it puts the blower on the wrong side and id have to move the alternator, etc.
Im going to have to fab a bracket.

What i meant above is what supercharger pulley works with the stock balancer? I don't want to have to spend $450 on an ATI balancer.
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Old Oct 31, 2012 | 07:33 AM
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Originally Posted by rp0029
There is no kit. I have an lq4 in a 68 Camaro. I have gone to great time and expense getting the kwik bracket and the proper ps pump on the right side. Every kit I've seen uses the reverse rotation procharger and i don't have the clearance to put the procharger in front of the engine. The only option is the brute speed transplant kit but it puts the blower on the wrong side and id have to move the alternator, etc.
Im going to have to fab a bracket.

What i meant above is what supercharger pulley works with the stock balancer? I don't want to have to spend $450 on an ATI balancer.
I don't know of anyway to use a cog kit with a stock balancer, and you wouldn't want to try it anyway. Pulleys that bolt to the stock balancer have pins on them that fit into the slots on the factory balancer. The pins would most likely be ripped off in short order with a cog kit. The next problem is the bearings in the D-1SC probably won't hold up to the additional pressure that a cog belt places on them. This is why all the ProCharger cog kits use the f series blowers.

Here is the cog crank pulley adaptor. http://shop.brutespeed.com/ATI-DC017...DC017A-002.htm Bob
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Old Oct 31, 2012 | 09:47 AM
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Originally Posted by rp0029
There is no kit. I have an lq4 in a 68 Camaro. I have gone to great time and expense getting the kwik bracket and the proper ps pump on the right side. Every kit I've seen uses the reverse rotation procharger and i don't have the clearance to put the procharger in front of the engine. The only option is the brute speed transplant kit but it puts the blower on the wrong side and id have to move the alternator, etc.
Im going to have to fab a bracket.

What i meant above is what supercharger pulley works with the stock balancer? I don't want to have to spend $450 on an ATI balancer.
There is no way to bolt another drive pulley to the factory pulley.

The Powerbond PB1480SS is a $200 pulley onto which another drive setup can be bolted, and is what I use with my blower.

Obviously it will require an adaptor to adapt to whatever drive pulley you choose.
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Old Oct 31, 2012 | 11:06 AM
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Stevieturbo does that balancer work with accessories with a stock ls1 depth?
Bob - I've given up on the cog idea. Id like to try a 6-8 rib pulley. Any 8 rib pullies that bolt to the stock crank you know of?
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Old Oct 31, 2012 | 02:31 PM
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Originally Posted by rp0029
Stevieturbo does that balancer work with accessories with a stock ls1 depth?
Bob - I've given up on the cog idea. Id like to try a 6-8 rib pulley. Any 8 rib pullies that bolt to the stock crank you know of?
It is a direct replacement for a Camaro type LS1/6 with normal Camaro accessories.
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Old Nov 1, 2012 | 07:27 AM
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Originally Posted by rp0029
Stevieturbo does that balancer work with accessories with a stock ls1 depth?
Bob - I've given up on the cog idea. Id like to try a 6-8 rib pulley. Any 8 rib pullies that bolt to the stock crank you know of?
http://shop.brutespeed.com/ATI-DC033...DC033A-008.htm

Here is the GTO 8 rib pulley that bolts to the stock balancer. Bob
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Old Nov 1, 2012 | 12:42 PM
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I bought a second hand add on 8 rib crank pulley that keys into the openings on the stock F-body balancer. Remove the stock balancer bolt and install this and then re-install a new balancer bolt. I bought the 6 rib balancer bolt from procharger. It is a bit longer to compensate for the added thickness of the add on. Key the stock balancer first. Never put it to use and sold the car.

http://i17.photobucket.com/albums/b65/Badge01/002-3.jpg
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Old Nov 2, 2012 | 06:43 AM
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Bob will that pulley not work with a d1sc? What if i want to have under 10 psi in boost?

Last edited by rp0029; Nov 2, 2012 at 07:13 AM.
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Old Nov 3, 2012 | 06:45 AM
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Originally Posted by rp0029
Bob will that pulley not work with a d1sc? What if i want to have under 10 psi in boost?
Yes, it will work with a D-1SC but you're really better off with an ATI Performance Products 918853 balancer and the ProCharger crank pulley that bolts to it. The crank pulley I showed you is held on with the center bolt and has pins that fit into slots on the factory balancer. Over time these pins can bend under torque. A decade ago, I ran a D-1SC using the factory balancer with the 6 rib pulley that has the pins, as that was the only combination ProCharger had at the time. I never had a problem with it.

Boost is adjusted using the pulley on the head unit. 8 rib pulleys are available from 3.40 up through 5.25. Bob
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