I screwed up

comet the dog · Post by **comet the dog** » Thu Jul 28, 2016 5:44 pm

What size is the harmonic balance bolt? And thread count. I need to tap the end of the crank. I used the bolt to "press" the balancer on. Apperantly it was cross threaded, thought it was fine. Nope. 360 1988 auto.

REDONE · Post by **REDONE** » Thu Jul 28, 2016 7:44 pm

1/2" 20tpi, good buddy.

comet the dog · Post by **comet the dog** » Thu Jul 28, 2016 10:21 pm

Yeah, thanks. Got it. Fortunately it was just the first few threads that I boogered up. From now on, proper tool.

REDONE · Post by **REDONE** » Fri Jul 29, 2016 7:01 am

comet the dog wrote:Yeah, thanks. Got it. Fortunately it was just the first few threads that I boogered up. From now on, proper tool.

don't be too hard on yourself, pretty much all of us have done it, and the "proper tool" I have doesn't fit with the radiator in place. I use some 1/2"-20 all thread so I can get it all the way into the crank, then tap the balancer with a brass mallet while I crank down a nut to seat it. Double nut the all thread out and install the bolt.

Nikkormat · Post by **Nikkormat** » Fri Jul 29, 2016 9:59 am

Matt knows the right method. 1/2-20 all thread or a long fully threaded bolt to avoid the double-nut dance.

comet the dog · Post by **comet the dog** » Fri Jul 29, 2016 2:56 pm

Well I managed to get it back on. Free tool loan at oriellys. As many of these jeeps I have I might make or buy an installing tool. Thanks guys.

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