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Author Topic: harmonic balancers  (Read 484 times)

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Offline 35chevcoupe

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harmonic balancers
« on: January 29, 2018, 10:21:31 PM »
What are you guys doing for the harmonic balancers when rebuilding your nailheads ?  Just reinstalling the originals if they look good or getting them rebuilt ? or has anyone bought a new one ?   wondering how the new ones made , good quality or are they over seas junk .
Since I bought most of my engines in pieces I currently only have one used one and will be in need of at least one more .
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John Evenson

1930 model A 4 dr sedan
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55 chev belair wagon 4dr
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65 Buick GS 2 dr ht 3 spd
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Offline marxjunk

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Re: harmonic balancers
« Reply #1 on: January 29, 2018, 10:42:34 PM »
https://www.damperdoctor.com/

the best is what others say

i have one i believe they did for a nailhead..., i would have to look

they do motor mounts too
« Last Edit: January 29, 2018, 10:44:19 PM by marxjunk »
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Offline WkillGS

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Re: harmonic balancers
« Reply #2 on: January 29, 2018, 11:17:20 PM »
I've heard of the rebuilding service... I think it was the DDr Mark mentioned.

There are aftermarket 455 dampeners that can be modified to fit. Likely not what you are looking for.
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Walt K
Eastern Pa

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Offline 35chevcoupe

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Re: harmonic balancers
« Reply #3 on: January 29, 2018, 11:21:39 PM »
Sounds good , I,ll have to give them a call .
Thanks  Mark and Walt .
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John Evenson

1930 model A 4 dr sedan
35 chev coupe 2 dr Master Deluxe suicide dr,s
55 chev belair wagon 4dr
59 Buick Invicta 2 dr hd top
65 Buick GS 2 dr ht 3 spd
65 Buick GS Convertible 3 spd
1970 Cuda 440-6
71 Buick GS
84 chev 3/4 ton p/u 6.2 diesel
Yeah there's more
There all projects

Offline WkillGS

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Re: harmonic balancers
« Reply #4 on: January 30, 2018, 12:10:05 AM »
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Walt K
Eastern Pa

66 GS Astro Blue/blue 425 auto
66 GS Silver Mist/black 401 4 spd
66 GS Flame Red/black 401 5 spd
66 GS Saddle Mist/black 401 L76 auto
66 Special Flame Red/black 300 5 spd
65 GS vert Verde Green/ Saddle buckets 401 4 spd
79 Turbo Regal

Offline marxjunk

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Re: harmonic balancers
« Reply #5 on: January 30, 2018, 08:56:07 AM »
damper dudes are good too...pontiac guys use them alot
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Offline Loren At 65GS

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Re: harmonic balancers
« Reply #6 on: January 30, 2018, 09:10:59 AM »
John,  pm sent.

  Loren
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Offline cwmcobra

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Re: harmonic balancers
« Reply #7 on: January 30, 2018, 09:17:59 AM »
How does one know if they need to be rebuilt?  My engine was running fine when I tore it down and the balancer looked totally intact.  I simply blasted and repainted the balancer before I intstalled it.  Was that a mistake?  If so, it's easy to remove now before I put the core support and front end into the car.

Chuck
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Offline 35chevcoupe

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Re: harmonic balancers
« Reply #8 on: January 30, 2018, 09:37:19 AM »
Chuck , besides the obvious rubber deterioration i,m not quite sure except for maybe checking it with a degree wheel some how .

« Last Edit: January 30, 2018, 09:41:48 AM by 35chevcoupe »
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John Evenson

1930 model A 4 dr sedan
35 chev coupe 2 dr Master Deluxe suicide dr,s
55 chev belair wagon 4dr
59 Buick Invicta 2 dr hd top
65 Buick GS 2 dr ht 3 spd
65 Buick GS Convertible 3 spd
1970 Cuda 440-6
71 Buick GS
84 chev 3/4 ton p/u 6.2 diesel
Yeah there's more
There all projects

Offline Rollaround

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Re: harmonic balancers
« Reply #9 on: January 30, 2018, 12:20:26 PM »
I had one on my Fireball 225 V6 that would slip.  It had a miss, after many hours of chasing distributor and wiring issues then struggling with the mighty single barrel carburetor.  I noticed when checking timing if I reved it a bit the timing mark would change positions. I drew a witness line across the damner with a felt tip and discovered the slippage. 
After that I’d set timing with a vacuum gauge. Now after discovering this service I’ll get it fixed.
Gosh, I love this site.
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Kevin
Northwest Ohio
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Offline Loren At 65GS

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Re: harmonic balancers
« Reply #10 on: January 31, 2018, 03:55:43 PM »
John,

  Found the balancers.  I have three that are for sale. I compared four balancers and all have the timing mark in the same spot in relation to the keyway.  My thought is that they are all good. I did notice that the dowels for balancing are not all in the same positions compared to each other.
 I also have crankshaft nuts and washers. Oil slinger if you need that as well.

 Loren

  PM sent
« Last Edit: January 31, 2018, 04:12:27 PM by Loren At 65GS »
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65 GS hardtop BCA Senior
 65 GS thin pillar coupe
 65 Skylark coupe v-6
 65 GS hardtop restoration project
 65 Sport Wagon
 70 GS 455 htp / original engine
 94 Roadmaster wagon
 96 Roadmaster wagon- parts car
 63 Riviera

 BCA 14371
 BCA 65 Gran Sport Division

Offline marxjunk

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Re: harmonic balancers
« Reply #11 on: January 31, 2018, 09:09:38 PM »
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Offline cwmcobra

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Re: harmonic balancers
« Reply #12 on: January 31, 2018, 09:29:52 PM »
Yeah, Russ Martin has a little of everything for nailheads.  :icon_thumright:
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Steve Shuman's 1965 Skylark GS Convertible: Flame Red/401/4 BBL/Automatic - BCA Archival Preservation
1965 Skylark GS Convertible: Verde Green/401/2x4 BBL/4-speed - AACA First Grand National - AACA National Award - BHA Outstanding GS - BCA Senior Gold
1965 Shelby Cobra Replica

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Offline 35chevcoupe

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Re: harmonic balancers
« Reply #13 on: January 31, 2018, 09:34:20 PM »
Got the balancer taken care of , Thanks guys .
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John Evenson

1930 model A 4 dr sedan
35 chev coupe 2 dr Master Deluxe suicide dr,s
55 chev belair wagon 4dr
59 Buick Invicta 2 dr hd top
65 Buick GS 2 dr ht 3 spd
65 Buick GS Convertible 3 spd
1970 Cuda 440-6
71 Buick GS
84 chev 3/4 ton p/u 6.2 diesel
Yeah there's more
There all projects
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