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05-04-2020, 11:49 PM
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#1 |
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Registered User
Join Date: Jan 2017
Location: Los Osos Ca
Posts: 530
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221 Mounts
Read in another thread here awhile back that the new poly mounting bushings make an already noisy case even louder. Dug around my garage last week and found some of the original rubber ones that I want to try, as I've only run this truck with the new aftermarket ones (figured they were better). Trouble is they are two different thicknesses and I can't remember what goes where. I'll try to post some pictures if I can, any help would be appreciated.
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65 short stepside K10 292-SM420-T221 8 lug closed D44 front NoSpin HO72 4.10 rear |
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05-08-2020, 12:09 PM
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#2 |
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All about them K’s
 
Join Date: Jun 2014
Location: Farmington, New Mexico
Posts: 6,233
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Re: 221 Mounts
I haven’t messed with a 221 in good while, but I’m betting someone here has. I’ll bump this back up for you.
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's ‘87 IROC-Z all original 50K mile survivor TPI 305 IROC Blue ‘10 Camaro 2SS/RS Aqua Blue Metallic #93 -version 2.0 
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05-08-2020, 08:27 PM
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#3 | |
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Registered User
Join Date: Jan 2017
Location: Los Osos Ca
Posts: 530
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Re: 221 Mounts
Quote:
Any and all input appreciated. Thanks, Tom
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65 short stepside K10 292-SM420-T221 8 lug closed D44 front NoSpin HO72 4.10 rear |
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05-08-2020, 10:02 PM
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#4 |
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Registered User
Join Date: Dec 2013
Location: clinton ct
Posts: 212
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Re: 221 Mounts
Hey short3/4, we also used the poly mounts for ours. But we were able to get the rubber mounts (some) from classic auto. But they are quite pricey. As for the way there are mounted I can't remember. Maybe there website had a diagram of how they are mounted. If I wasn't an old dinosaur myself I would try to post the link to there website. But these are the ones we got.
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05-08-2020, 10:13 PM
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#5 |
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Senior Member
 Join Date: Dec 1999
Location: Southern California
Posts: 2,701
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Re: 221 Mounts
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Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 |
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05-08-2020, 11:16 PM
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#6 |
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Page intentionally left blank.
Join Date: Jul 2006
Location: Laramie, WY
Posts: 299
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Re: 221 Mounts
I just did this. I’ll check to make sure, but I believe it was thin on top and thick on the bottom. I’ll try and get a pic tomorrow.
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There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened. - Douglas Adams '67 GMC 4x4, 305 V6! Or all the parts for anyway... '17 Subaru Outback. '18 Toyota Tacoma TRD Off Road. '99 Ducati 900SS. |
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05-11-2020, 03:34 PM
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#7 |
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Page intentionally left blank.
Join Date: Jul 2006
Location: Laramie, WY
Posts: 299
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Re: 221 Mounts
Sorry for the delay.
I went to the poly bushings, as it was all I found at the time. The picture is not great since it's all installed, but I went: bracket to the frame, thin bushing, bracket to the t-case, bottom bushing seat bracket (not sure what to call that piece), thick bushing, frame.
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There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened. - Douglas Adams '67 GMC 4x4, 305 V6! Or all the parts for anyway... '17 Subaru Outback. '18 Toyota Tacoma TRD Off Road. '99 Ducati 900SS. |
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05-12-2020, 02:43 AM
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#8 |
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Registered User
Join Date: Jan 2017
Location: Los Osos Ca
Posts: 530
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Re: 221 Mounts
Thanks all.
The new ones are listed as for bottom, and they look like the thick ones. Makes sense that the thick ones would carry the weight and the thin would just help locate, so that's what I'll try. Good to know they are still available, even if a little pricey. As soon as I actually get around to doing this will report on if it really helps with the noise.
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65 short stepside K10 292-SM420-T221 8 lug closed D44 front NoSpin HO72 4.10 rear |
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