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Old 09-23-2020, 05:40 PM   #15
6spdhyperblue


 
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https://www.summitracing.com/parts/ATI-951499

https://www.summitracing.com/parts/ATI-918997
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Old 09-24-2020, 11:41 PM   #16
AlphaCamaro7

 
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Will the ARP Bolt work cause I bought that first and it came in today


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Old 09-25-2020, 08:52 AM   #17
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Quote:
Originally Posted by AlphaCamaro7 View Post
Will the ARP Bolt work cause I bought that first and it came in today


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I don't think so? I believe the ARP is too long? When I did the install, there were posts about about this, therefore I just went with the new OEM bolt with a turned down flange. I did't think to do it, but I guess you could test the ARP bolt through the ATI damper, to the OE stock bolt through the stock damper, and compare/measure the remaining thread length? Just looking at the bolts side by side the ARP was longer.

*Edit: It looks like the ARP-234-2503 will be fine from more recent posts of installs. Just add the high temp RTV to the washer.
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Old 09-25-2020, 10:40 AM   #18
supersportss
 
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What's the pint of the under drive on a stock engine? Buy a nitrous kit and spray the balls off it. You ever go to XRP strip?
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Old 09-25-2020, 04:28 PM   #19
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the ati damper is not an "underdrive pulley", so to speak. it is a premium damper offered in an underdriven flavor. you don't swap the damper for power, you do it because you don't want to spin the motor with a truck damper on it. these are truck motors, making them work properly in cars requires more than a transplant.
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Old 09-25-2020, 08:53 PM   #20
AlphaCamaro7

 
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Quote:
Originally Posted by driven2exceSS View Post
I don't think so? I believe the ARP is too long? When I did the install, there were posts about about this, therefore I just went with the new OEM bolt with a turned down flange. I did't think to do it, but I guess you could test the ARP bolt through the ATI damper, to the OE stock bolt through the stock damper, and compare/measure the remaining thread length? Just looking at the bolts side by side the ARP was longer.

*Edit: It looks like the ARP-234-2503 will be fine from more recent posts of installs. Just add the high temp RTV to the washer.

Thank you for confirming, the ARP bolt just arrived


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Old 09-25-2020, 08:54 PM   #21
AlphaCamaro7

 
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Quote:
Originally Posted by s346k View Post
the ati damper is not an "underdrive pulley", so to speak. it is a premium damper offered in an underdriven flavor. you don't swap the damper for power, you do it because you don't want to spin the motor with a truck damper on it. these are truck motors, making them work properly in cars requires more than a transplant.

Do you think it’ll make a significant noticeable different after install?


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Old 09-26-2020, 01:09 AM   #22
s346k


 
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Quote:
Originally Posted by AlphaCamaro7 View Post
Do you think it’ll make a significant noticeable different after install?


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nope. i've never done one before that did. the peace of mind is what i'm after.
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Old 09-26-2020, 10:14 AM   #23
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I used the Earls Bolt when I installed my UDP. Just installed on a buddy’s 6th Gen also.

https://gwatneyperformance.com/cart-share/kMBsp/ref/2/
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