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Underdrive Crank Pulley

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Old Mar 19, 2006 | 04:33 PM
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Cool Underdrive Crank Pulley

I just bought the SLP underdrive crank pulley from Summit. I looked at the engine compartment to start planning the job. It looks like it will have to be done from the bottom.
Does anybody have experience doing this mod? Can somebody point me to a procedure or steps for this job? The SLP directions are a little vague. Do i need to purchase the install tool for this job also?
Thankyou
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Old Mar 19, 2006 | 05:13 PM
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i was able to do mine from the top...granted my radiator was out of the car at the time, don't know if i'd be able to do it from the top now, but anyway...autozone rents out a tool, part number 6267 (i think) or something similar that is a pulley removal tool that is specifically made for our cars (the ones that pop up in the computer suck) - you are also going to want a longer bolt or threaded rod to install the new pulley, oh and don't reuse the stock bolt
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Old Mar 19, 2006 | 05:16 PM
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check out the pulley removal & installation part of the cam install writeup
http://www.ls1howto.com/index.php?article=23

pulley removal starts about 1/3 of the way down the page
pulley installation is about 7/8 of the way down the page
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Old Mar 19, 2006 | 05:18 PM
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Yeah, get a new crank pulley bolt and put red loc-tite on it.
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Old Mar 19, 2006 | 05:26 PM
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A 3 jaw puller will get it off and your old bolt will reinstall it. Get a new bolt. I did mine from the top w/ the radiator out when I changed the cam.
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Old Mar 19, 2006 | 10:49 PM
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sorry to jump in on the thread,, but im looking to buy slp also. mind me askin whatcha paid?? thanks
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Old Mar 19, 2006 | 11:53 PM
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Originally Posted by ski23
sorry to jump in on the thread,, but im looking to buy slp also. mind me askin whatcha paid?? thanks
Get the Powerbond. It's the same thing as the SLP pulley, and Texas Speed & Performance has them for $199.99.
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Old Mar 22, 2006 | 08:51 PM
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I bought it from SUMMIT for 209 I think. Its more from SLP 239 i think. I will install next week, then schedule the dyno and tune with Diablo programer.
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