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Harmonics dampener?

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Old Aug 21, 2023 | 12:51 PM
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Harmonics dampener?

Haven’t posted in awhile, but continue to read. Being a long-term SuperCab guy, I recently bought a 76 f250 and a 79 f150, both standard cabs. The maroon 79, I bought for 500 bucks. I have been removing junk parts and replacing with good stuff out of my stock. Behind the seat is a chunk of cast-iron on rubber, insulated posts. He has a ford engineering number that starts with D4TB. Having owned quite a few of these trucks in different cab configurations, I have never ran across this part. Anybody else have one, or know anything about it?

 
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Old Aug 21, 2023 | 01:41 PM
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Maybe an attempt to reduce booming from heavy bass? Never seen that before.
 
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Old Aug 21, 2023 | 02:11 PM
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d4tz-10110a14-a



https://www.ebay.com/itm/165326486899


 
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Old Aug 21, 2023 | 02:53 PM
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My 79 F-250 developed a crack in the sheet metal from the center bottom of the rear window running down about 2"
Never knew why but this may be a weak spot for vibration.
 
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Old Aug 21, 2023 | 08:38 PM
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Well. There ya go. Just goes to show, being in the ford game for 30+ years and still learning new stuff. Thanks
 
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Old Aug 22, 2023 | 07:59 AM
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Originally Posted by dlburch
Lol, the fix for an imbalance in the driveline was to dampen the effects in the cab
 
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