Roley94 Member 114 Member For: 11y 8m 18d Gender: Male Location: Perth Posted 25/01/20 06:08 AM Share Posted 25/01/20 06:08 AM Has anyone used an arp balancer bolt? I’ve heard you can torque the arp more than the standard bolt. My bolt keeps coming loose every few months and I’m using a powerbond balancer. Torquing the standard bolt to 125nm and using plenty of loctite it still comes loose. The balancer is still a very tight press fit so I don’t think it’s been wearing on the key. Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,996 Member For: 16y 7m 17d Gender: Male Location: Melbourne Posted 25/01/20 06:14 AM Share Posted 25/01/20 06:14 AM if it's coming loose it'll be because of vibrations, not for how much torque you can apply to the bolt. Link to comment Share on other sites More sharing options...
Roley94 Member 114 Member For: 11y 8m 18d Gender: Male Location: Perth Posted 25/01/20 06:45 AM Author Share Posted 25/01/20 06:45 AM So the balancer is either not up to the job or there’s and engine balance problem? The car does see high rpm regularly 1 Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,996 Member For: 16y 7m 17d Gender: Male Location: Melbourne Posted 25/01/20 06:50 AM Share Posted 25/01/20 06:50 AM yeah.. it's not unusual for aftermarket balancers to struggle... but it could be something in the engine, but surely you'd notice it in other ways if it was the engine or something generically in the drivetrain that causes vibrations like that. Link to comment Share on other sites More sharing options...
Roley94 Member 114 Member For: 11y 8m 18d Gender: Male Location: Perth Posted 25/01/20 07:04 AM Author Share Posted 25/01/20 07:04 AM It’s an XFT built engine with about 30k km and it runs smooth, I’ve never noticed or felt anything weird other than the balancer bolt coming loose often. Could it be time for a proper balancer like an atomic or Ross? Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,996 Member For: 16y 7m 17d Gender: Male Location: Melbourne Posted 25/01/20 07:05 AM Share Posted 25/01/20 07:05 AM hmm... would be best to speak to your engine builder about what might be occurring, if I were you. 1 Link to comment Share on other sites More sharing options...
espoig Donating Members 249 Member For: 10y 2m 22d Gender: Male Location: Mundaring Posted 25/01/20 11:41 PM Share Posted 25/01/20 11:41 PM Stop leaving such big 11s everywhere then Roland and the engine wont be struggling as much 🤣 1 Link to comment Share on other sites More sharing options...
Roley94 Member 114 Member For: 11y 8m 18d Gender: Male Location: Perth Posted 26/01/20 02:54 AM Author Share Posted 26/01/20 02:54 AM Not possible Link to comment Share on other sites More sharing options...
Slowxr6t Member 560 Member For: 5y 11m 23d Location: New zealand Posted 03/08/21 11:17 AM Share Posted 03/08/21 11:17 AM So I'm going to replace my stock flexplate soon, thinking about getting a atomic ATI super damper harmonic balancer and putting that on at the same time. My car has done 32000 kms, 382rwkws, is it necessary or am I wasting money? Do you guys know if the atomic ATI pulley is heavier or lighter than stock? Thanks Link to comment Share on other sites More sharing options...
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