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Old 01-09-2007, 02:25 PM   #12
Sport/Truck
Sierra Grande Club
 
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Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
Re: Harmonic Balancer issues.

Quote:
Originally Posted by mrein3 View Post
A stock harmonic balancer will develop a groove where the oil seal rides around. This will eventually leak.

There are two fixes for this leak.
1. Buy an offset seal to replace the stock one. This will move the point of contact with the balancer and stop the leak for another 100,000 miles.
2. Buy a sleeve for the balancer. The sleeve gets whacked on over the groove giving the seal a new surface to ride.

Wait, I guess there are three fixes. The third would be to buy a new balancer.
I’m looking for a stock type of balancer OEM was 131! Ouch.
An engine shop here quoted me 60 for a pioneer brand.
Napa said 65 for the bulkamp brand – all thee are new.
Commits?
s/t
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.
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