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07-27-2024, 01:40 PM
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#1 |
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Active Member
 Join Date: Feb 2022
Location: PLANO, TX
Posts: 151
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radiator frame Gasket?
Is there a gasket between the radiator shroud frame and the chassis frame on my 55.1 GMC-100?
After checking through a few books of mine I am not finding one and don't want to screw up any alignment issues with my hood / fenders?
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1955.1 GMC 100 RestOMod 1972 T120RV 1967 C200 Trail 90 2014 TRD Quad CAB |
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07-27-2024, 07:29 PM
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#2 |
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Registered User
Join Date: Dec 2011
Location: Moxee WA
Posts: 1,482
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Re: radiator frame Gasket?
Classic parts shows a kit:
(1955-59) Radiator Support Mounting Kit Its just bolts and flat rubber washers. You could probably get the parts at a local hardware store and make your own.
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49 chevy 3100 3 window. 327 / m21 4 spd, 12 bolt w/ 3:55's Bought in 1973 for $235.00. Had it longer than my wife & Kids!! |
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07-28-2024, 11:40 AM
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#3 |
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Active Member
Join Date: Feb 2022
Location: PLANO, TX
Posts: 151
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Re: radiator frame Gasket?
Thank you nrdone!
I found what I needed on Ebay, and yes there are 2 pads required on a 47-55.1 between the radiator frame and the chassis frame.
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1955.1 GMC 100 RestOMod 1972 T120RV 1967 C200 Trail 90 2014 TRD Quad CAB |
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07-28-2024, 12:02 PM
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#4 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,715
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Re: radiator frame Gasket?
The last time I had the front end off my 48 I think I used a section cut out of a two ply tire sidewall to make the rubber pads.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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07-28-2024, 12:14 PM
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#5 |
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Registered User
Join Date: Dec 2011
Location: Moxee WA
Posts: 1,482
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Re: radiator frame Gasket?
when I did mine I got rubber washers and bolts from Ace hardware. I think I spent less than $10.00. I also used nylock nuts to adjust in some free play
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49 chevy 3100 3 window. 327 / m21 4 spd, 12 bolt w/ 3:55's Bought in 1973 for $235.00. Had it longer than my wife & Kids!! Last edited by nvrdone; 07-28-2024 at 12:42 PM. Reason: spelling |
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07-29-2024, 01:41 AM
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#6 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,715
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Re: radiator frame Gasket?
47/early 49 have a U bolt in the middle and springs and a plate on the bottom of the springs.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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07-29-2024, 02:28 AM
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#7 |
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Registered User
Join Date: May 2021
Location: Spokane, Wa
Posts: 264
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Re: radiator frame Gasket?
They are the same square rubber pads that are used on the bed to frame mounts.
Some manuals have different thickness' to get the alignment of body panels to line up. Most I've read just add fender washers.
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Chip '51 Chevy 3600 5 window C4 Vette front/rear suspension & drive train full Rusto-Mod  '92 GMC Sonoma GT VIN #0015 '91 GMC Sonoma GT extended cab 1 of 1 |
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08-02-2024, 10:57 AM
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#8 |
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Registered User
Join Date: Jun 2002
Location: Southern California U.S.A.
Posts: 279
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Re: radiator frame Gasket?
OK, I got to ask the question...... I frequently see the typical use of the rubber pads with the coil springs & U-bolt configuration all the time. I am guessing your installing rubber pad(s) between the radiator core support & truck frame to insulate vibrations between the two components. What is the function of the coil springs & U-bolt?
Once you install all of the surrounding sheet metal inter-panels on the core support the radiator is locked into position & the springs nonfunctional. |
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08-02-2024, 03:06 PM
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#9 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,715
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Re: radiator frame Gasket?
The U bolt was used on 47/48 trucks that had the center mount rear cab mount. I'm thinking that the idea was to be able to flex more without breaking anything when going over rough ground. That is something that we don't get real excited over now but back in 1947 they drove these trucks off across the field or pasture or up in the woods without a second thought.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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