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Is my harmonic balancer junk?

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Old Sep 7, 2005 | 09:20 AM
  #1  
speedingpenguin's Avatar
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From: MA
Car: 1981 Chevy Malibu, 1987 Formula 350
Engine: 229 V6, L98 TPI 350
Transmission: TH350, 700R4
Axle/Gears: 10 bolt ???, 9 bolt 3.27 posi
Is my harmonic balancer junk?

Finally got access to a timing light, but the timing mark on the balancer was WAYYYY off. (Showed up on the bottom passenger side of the engine, not up on the drivers side by the timing tab).... Confused, my friend made a few phone calls and came to the conclusion that the balancer was junk. At 3,000 RPM's, the whole engine starts to shake, which I guess would be at which the point the balancer becomes inneffective. Is this most likely the case? I'm on a tight budget and probably wont be using this engine for much longer, so spending hundreds of dollars on a balancer is out of the question. What kind of balancer do I need? Its a 350 bored .030 over
Any recomendations? What should I use on a budget? Thanks,
-Chris
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Old Sep 7, 2005 | 10:05 AM
  #2  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Just to be sure, did you have the timing light connected to the #1 spark plug?

If you did, then a Pioneer damper is a good replacement choice at a good price.
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Old Sep 7, 2005 | 10:11 AM
  #3  
five7kid's Avatar
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25 Year Member
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Joined: Mar 2000
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
A pic of my engine with the Pioneer damper. Note the advance marks.
Attached Thumbnails Is my harmonic balancer junk?-350-stand.jpg  
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Old Sep 8, 2005 | 11:45 AM
  #4  
Zrated83's Avatar
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From: Buckley AFB, CO / Crestview, FL
Car: 83 Z-28
Engine: LG4
Transmission: 700R4
Axle/Gears: 02 WS6 Rear w/3:42
Where did you buy the damper from five7kid?
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Old Sep 8, 2005 | 11:52 AM
  #5  
five7kid's Avatar
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25 Year Member
iTrader: (14)
 
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
eBay.

They are becoming more and more popular with retailers and wholesalers as well.
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