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Harmonic balancer

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Harmonic balancer

Posted: 4/19/09 5:51amMessage 1 of 4
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Waterford, MI - USA
Joined: 9/13/2002
Posts: 1795
Vette(s): 1973 Red coupe

Well after thinking about it ever since I rebiult the motor, more then a few years ago, I did it.

 

I am not sure why I didn't buy a new one when I was doing the rebuild but I didn't. So here it is a few years later and I finally did. Hopefully I will not have that small leak up front any more.

 
Getting the old one off was the easy part. Once I removed the fan and belts there was more then enough room to get my impact gun on the center bolt to remove it. Then I used my puller and a socket wrench to pull the balancer off. I then lifted the front of the car up and cleaned the motor and surrounding area of the oil and  dirt. Next I played around with a couple of different sizes of screw drivers until  found one that poped the old front seal out. Then I taped the new seal in place and set the new balancer onto the shaft. I do not own a installer tool and my friend that does was not home so back to the autoparts store I went to get one. Crap, you want $36 to rent one. No thanks I can find a better way. I ended up buying two slightly longer bolts and a couple thick washers. I screwed the 3" long bolt and a 1/4" thick washer and used the impact wrench to draw the balancer in about an 1". Then I used the 2 1/2" bolt and washer and repeated. Then I added a second washer and finshed the job. I then installed the correct bolt, 2 1/4" long, and washer and checked my belt alignments; finished putting the belts and fan back on and I was done. All-in-all it took me about two ours.
 
On to the next project. I love spring.
Redwingvette2009-04-19 05:52:40

Brian - NCM Lifetime Member

73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, Seatbelt Plus 3point seatbelts, Pioneer CD player
Magnaflow Exhuast System

Dewitt radiator and dual electric fans
Borgeson Steering box
 


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Harmonic balancer

Posted: 4/19/09 8:38amMessage 2 of 4
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22716
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Does your old dampener(balancer) have a groove in it from the seal?

Joel Adams
C3VR Lifetime Member #56    

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Harmonic balancer

Posted: 4/19/09 10:43amMessage 3 of 4
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Manteca, CA - USA
Joined: 11/20/2005
Posts: 3623
Vette(s): 1978,two tone,Metalic Rootbeer & gold 1975 L48 4 speed
 Brian, What was the diameter of the balancer ? I've got 6 3/4" and 8" on different motors.
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Harmonic balancer

Posted: 4/19/09 12:14pmMessage 4 of 4
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Waterford, MI - USA
Joined: 9/13/2002
Posts: 1795
Vette(s): 1973 Red coupe
Yes there is a groove on the seal area.
 
My engine was the L-48 so it has the 6 3/4" one. The L-82 used the 8".

Brian - NCM Lifetime Member

73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, Seatbelt Plus 3point seatbelts, Pioneer CD player
Magnaflow Exhuast System

Dewitt radiator and dual electric fans
Borgeson Steering box
 


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