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ARP balancer bolt

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Old Nov 10, 2025 | 07:26 AM
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Default ARP balancer bolt

When replacing OEM balancer bolt with ARP, do you follow the service manual procedure or is it any different for ARP bolt?

And do you apply ARP special lube to the thread?
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Old Nov 10, 2025 | 07:50 AM
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I literally just went thru this . according to ati (I used a superdamper) you use red locktite on the threads. according to arp you use the superlube under the head and washer and on the threads.


in the end I couldn't stand the thought of that very large bolt backing out and the amount of damage to hood crank snout damper and any accessories that get in the way of a 10 lb rotating object bouncing around the engine bay.
I lubed the head and washer per arp and red locktite to the threads. my thought process was since it was a wet torque the red locktite should get me accurate torque. 165 ft/lbs for arp not the stretch value torque for the oem bolt. I say nice things to the bolt everyday in hopes it stays in place
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Old Nov 10, 2025 | 01:39 PM
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Originally Posted by 9sec
165 ft/lbs for arp not the stretch value torque for the oem bolt. I say nice things to the bolt everyday in hopes it stays in place
Good point you have, OEM bolt is probably softer and 320 Nm is a lot of torque on a bolt. I use the OEM balancer. I wish ARP would include some instruction with their bolt

All I can find is this chart:
ARP 234-2504 Balancer Bolt for LS7 LS9 LT5 and Dry Sump Versions of LS3 LT1 LT4 Crankshaft Bolt
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Old Nov 10, 2025 | 01:46 PM
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Ok found this on their broken website:

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Old Nov 10, 2025 | 03:13 PM
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Originally Posted by mjollnir51
Ok found this on their broken website:
yes the arp instructions want you to lube the threads. I simply wasnt comfortable with a lube vs red lactate which is what the balancer manufacturer wants. so I used both and lubed the head and washer and red on the threads.
if you ever spent any time on the m/b e55 forums a popular upgrade was a 185mm crank pulley. many shops failed to get the proper torque on the bolt and it would back out under hard boost causing tens of thousands of dollars in damage since it would destroy the end of the crank ruin the hood and rip the accessories off the front of the motor. something im trying to avoid
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Old Nov 10, 2025 | 03:26 PM
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Originally Posted by 9sec
yes the arp instructions want you to lube the threads. I simply wasnt comfortable with a lube vs red lactate which is what the balancer manufacturer wants. so I used both and lubed the head and washer and red on the threads.
if you ever spent any time on the m/b e55 forums a popular upgrade was a 185mm crank pulley. many shops failed to get the proper torque on the bolt and it would back out under hard boost causing tens of thousands of dollars in damage since it would destroy the end of the crank ruin the hood and rip the accessories off the front of the motor. something im trying to avoid
That's something I'll consider for next build. I have only 90hp power increase from stock with this build
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