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woodpecker on torque converter

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Old Mar 8, 2017 | 04:15 PM
  #1  
camarito's Avatar
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From: sussex county, NJ
Car: 84 Z28 / 11 genesis coupe
Engine: 355/210 heads/275deh/Proform 750 DP
Transmission: 700r4/B&M 2400
Axle/Gears: 02, allu.axle, 3.42, posi
woodpecker on torque converter

I have been experiencing power-train vibration from around 2000 rpm to 2500 under load, i put in new motor and transmission mounts, checked everything from carburetor to timing and all it's good, now i have this noise on the torque converter, what the hell is that? Is it going bad?
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Old Mar 8, 2017 | 04:53 PM
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Car: '84 Trans Am
Engine: 357 SBC
Transmission: 700R4
Axle/Gears: 10 Bolt 3.73, Torsen Diff
Re: woodpecker on torque converter

Loose converter bolt?
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Old Mar 8, 2017 | 05:00 PM
  #3  
camarito's Avatar
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From: sussex county, NJ
Car: 84 Z28 / 11 genesis coupe
Engine: 355/210 heads/275deh/Proform 750 DP
Transmission: 700r4/B&M 2400
Axle/Gears: 02, allu.axle, 3.42, posi
Re: woodpecker on torque converter

Originally Posted by Jorlain
Loose converter bolt?
i wouldn't know, i didn't take it apart yet, but i remember using tread locker in all of them.
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Old Mar 10, 2017 | 02:42 PM
  #4  
camarito's Avatar
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From: sussex county, NJ
Car: 84 Z28 / 11 genesis coupe
Engine: 355/210 heads/275deh/Proform 750 DP
Transmission: 700r4/B&M 2400
Axle/Gears: 02, allu.axle, 3.42, posi
Re: woodpecker on torque converter

i watched a few videos on youtube about this and it sounds like my flexplate is bad or going bad, time to replace it.
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Old Mar 10, 2017 | 02:45 PM
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Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: woodpecker on torque converter

Cracked flexplate
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Old Mar 13, 2017 | 01:02 PM
  #6  
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From: sussex county, NJ
Car: 84 Z28 / 11 genesis coupe
Engine: 355/210 heads/275deh/Proform 750 DP
Transmission: 700r4/B&M 2400
Axle/Gears: 02, allu.axle, 3.42, posi
Re: woodpecker on torque converter

It doesn't look like the flexplate is the problem, even though a few teeth are damaged.
what i noticed was 2 of the bell howsing bolts were loose, i tighten them up and the noise stopped but the converter doesn't look like it's straight, flex plate tourns very straight but TC wabbles a little.
Look at the video and tell me what you think
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