Harmonic Balancer...HELP

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Old Apr 9, 2013 | 08:16 PM
  #1  
squirell's Avatar
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Harmonic Balancer...HELP

My Harmonic bal on the 455 is wobbling.
From all I have seen in the catologs they are the same application for
260-455 .... others list 350-455
However the one on my 330 is about 3/4" wide and the one on the 455 is about 1-1/4".
I don't know what the difference is between the 2
(besides the thickness )
Old Apr 10, 2013 | 07:46 AM
  #2  
joe_padavano's Avatar
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Originally Posted by squirell
My Harmonic bal on the 455 is wobbling.
From all I have seen in the catologs they are the same application for
260-455 .... others list 350-455
However the one on my 330 is about 3/4" wide and the one on the 455 is about 1-1/4".
I don't know what the difference is between the 2
(besides the thickness )
What those catalogs MEAN to say but don't is that the application is 1968-up, not just 260-455.
Old Apr 10, 2013 | 09:59 AM
  #3  
Run to Rund's Avatar
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The differences include counterbalance, position of the timing mark, diameter, thickness.
Old Apr 10, 2013 | 08:49 PM
  #4  
squirell's Avatar
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Originally Posted by Run to Rund
The differences include counterbalance, position of the timing mark, diameter, thickness.
So..I can use the one from my 330 on the 455 ?
Old Apr 10, 2013 | 09:04 PM
  #5  
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No. It would probably physically fit, but it is not correct for the 68-up engines like the 455.
The way balancers are divided for Olds engines:
'64 330 only

'65-67 all (330, 400E, 425)

'68-up all (350, 400G, 455, 403, 260, 307)
Old Apr 11, 2013 | 11:39 AM
  #6  
squirell's Avatar
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Originally Posted by copper128
No. It would probably physically fit, but it is not correct for the 68-up engines like the 455.
The way balancers are divided for Olds engines:
'64 330 only

'65-67 all (330, 400E, 425)

'68-up all (350, 400G, 455, 403, 260, 307)
OK...I need one...prices range from $55 to $455.
What is the difference between a Damper and a balancer ?
Any recomendations ?
I was looking at this cheap one (balancer) :
Dorman Products 594-117
http://www.jegs.com/i/Dorman+Product...4-117/10002/-1
Old Apr 11, 2013 | 11:44 AM
  #7  
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Which one depends on the intended usage.
Assuming this is a street car and won't be raced or see high RPM often, the Dorman one you posted will work fine. A reman factory one is probably even better.

For a high performance application, I'd want to use something better.

Last edited by copper128; Apr 11, 2013 at 11:46 AM.
Old Apr 11, 2013 | 11:57 AM
  #8  
squirell's Avatar
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Originally Posted by copper128
Which one depends on the intended usage.
Assuming this is a street car and won't be raced or see high RPM often, the Dorman one you posted will work fine. A reman factory one is probably even better.

For a high performance application, I'd want to use something better.

Gonna be a street car thats get beat on now and then.
Where can I get a reman one ?
more options:
http://www.summitracing.com/search/department/engines-components/section/harmonic-balancers/make/oldsmobile/engine-size/7-5l-455

Last edited by squirell; Apr 11, 2013 at 12:01 PM.
Old Apr 11, 2013 | 12:14 PM
  #9  
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http://www.damperdoctor.com/Merchant...egory_Code=OLD
Old Apr 12, 2013 | 06:30 AM
  #10  
squirell's Avatar
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Awesome....thanx
Old Apr 12, 2013 | 07:01 PM
  #11  
BILL DEMMER's Avatar
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From: THE GREAT WIDE-OPEN
i have nos gm 417142 balancers available, see parts for sale.


bill
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