Harmonic balancer thread size on crank?

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Kendog 170

Let the boy go !
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Would this be 3/4-16 ? Going to buy a Bolt, nut and washers for installing my Balancer after removal.
Thanks
 

you really need a stud. Thread the bolt/ stud a long ways into the crank, and this will help protect the crank threads, as they are not turning and "now have" lots of engagement. Then use a nut, a "heavy" nut if you can get it, and OIL the stud threads, to pull the balancer on

I can still remember the early days of 265/ 283 Chevs, which had no bolt, were just "pressed on." Well, LOL, fine, until you get one that is LOOSE!!!
 
you really need a stud. Thread the bolt/ stud a long ways into the crank, and this will help protect the crank threads, as they are not turning and "now have" lots of engagement. Then use a nut, a "heavy" nut if you can get it, and OIL the stud threads, to pull the balancer on

I can still remember the early days of 265/ 283 Chevs, which had no bolt, were just "pressed on." Well, LOL, fine, until you get one that is LOOSE!!!
Ha, the old Chevy junk, then they upgraded to a 3/8" bolt, meanwhile the big blocks had so much interference that the first auto machine shop I worked in back in the mid 70s used to buy a new damper puller every couple of months and these pullers were Snap on, not Chinese junk. I had a neighbor who had a 57 Corvette and he stopped at my shop one day to tell me his damper fell off, he was a grumpy old fart who owned the pawn shop down the road from me, I couldn't stop laughing.
 
I made two using a piece of allthread bought from Grainger....

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I just bought the ARP Bolt, and the installer Remover kit. Getting to be that I am getting older and picking my battles.
 
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