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#1 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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radiator support
Hello,
So i just placed my cab back on the frame with new body mounts and ensured i had the cab level. I put my new aftermarket fenders on with a new aftermarket radiator support with new mounts and the fenders sagged at the bottom and kinda overlaped the rocker panel. I shimmed the radiator support with the lower rubber mount so now i have both mounts on top of eachother and the gaps are good. Is this too much to shim the radiator support? Should i shim the cab more? |
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#2 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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Re: radiator support
If Im reading this correct you have both cusions for the core support stacked on top of each other? There is something very wrong here can ya shoot us some pics to help with the visual almost sounds like the rear cab mounts are on the front of the cab?
__________________
GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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#3 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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Re: radiator support
Are the cab mounts differant sizes for a 72 ? i bought a Polyethylene mount kit 4 mounts were the same and then two mounts were smaller. The smaller ones are for the radiator support correct.
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#4 |
Registered User
Join Date: Mar 2010
Location: a t w a t e r cali 95301
Posts: 10,713
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Re: radiator support
woh wait a second you bought ''polyrthyene'' mounts arent those like a plastic/rubber those are going to squeak like crazy if theres one thing my dad tought me it is metal and rubber nothing more so hope that helps now the rubber has 3 cushions so it seems and that is for the back the front only has one in between the cab/frame hope that helps
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#5 |
Registered User
Join Date: Mar 2010
Location: a t w a t e r cali 95301
Posts: 10,713
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Re: radiator support
well i just looked at the pics and there should be huge shims/ washers in between the poloy..
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#6 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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Re: radiator support
Yes correct my front mounts for the core support measure 3/4''
__________________
GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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#7 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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Re: radiator support
how would i have the rear cab mounts on the back if they are the same at all 4 corners
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#8 |
Registered User
Join Date: Dec 2009
Location: California, Maryland
Posts: 544
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Re: radiator support
Earlier cab mounts were not the same size for front/back
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72 Fleet (died) 78 Step (sold) 55 Step named Fred (sold) 00 F150 68 Step (named El Scorcho by PO) Build thread for the new El Scorcho http://67-72chevytrucks.com/vboard/s...d.php?t=392932 |
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#9 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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Re: radiator support
Are 72 2wd cab mounts dif sizes for front and back because if they are LMC gave me a bad kit or something
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#10 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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Re: radiator support
Can you take some pics to help us out?
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GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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#11 |
Registered User
Join Date: Apr 2000
Location: Bonne Terre, Mo
Posts: 3,005
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Re: radiator support
It is also possible they sent the wrong Core Support Mounts also.
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'69 Chevy Long Fleet & '71 GMC Short Step & Project "ODD BALL" "You can wash a pig, soak it in most expensive perfume. In the end it is still just a pig." ODD BALL build thread http://67-72chevytrucks.com/vboard/s...d.php?t=478629" |
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#12 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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Re: radiator support
here are some pics of the problems i got but in these pics my cab mount bolts are not tight.
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#13 |
Registered User
Join Date: Dec 2009
Location: California, Maryland
Posts: 544
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Re: radiator support
When I put my truck together I worked from back to front. First I got the doors lined up so gap at back of door was parallel. Then I hung the front fenders and had the same problem as you do. To fix it I totally loosened the rad supports and worried only about the gaps between the door front and the fender. Once I got both fenders parallel to the doors, then I bolted fender fronts to the rad support and grille assembly. I did have to shim the rad support up some but in the end it all fit. Of course this was just the pre-paint alignment. For painting, I completely disassembled and I will have to do this again. I did write down how many shims I used and where.
__________________
72 Fleet (died) 78 Step (sold) 55 Step named Fred (sold) 00 F150 68 Step (named El Scorcho by PO) Build thread for the new El Scorcho http://67-72chevytrucks.com/vboard/s...d.php?t=392932 |
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#14 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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Re: radiator support
Do you have the bed installed? Looks like you could shim up the rear of the cab a little bit?
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GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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#15 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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Re: radiator support
the bed is not installed and i have tried shimming the back of the cab some but i think i might have to get another body mount kit or just keep playing with what i got.
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#16 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,524
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Re: radiator support
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More information about your truck would be a good start. You don't mention whether your truck is 1/2 or 3/4 ton, or what year. The cab mounts are different and the radiator supports are different, depending on what you have. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - Last edited by LockDoc; 09-05-2010 at 12:17 PM. |
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#17 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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Re: radiator support
1972 2wd 1/2 ton truck
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#18 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,524
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Re: radiator support
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Could you snap a pic of the rear body mounts? The core support rubber pads for a '67-68 are approx. 1/4" thick and the ones for the other years are approx. 3/4" thick. Could the frame possibly be converted from 3/4 ton to 1/2 ton? The rear body mount brackets on the 3/4 ton sit lower on the frame and take a taller rubber pad.... LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#19 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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Re: radiator support
ok here is a pic of the rear driver side mount but it is not tightened down.The gap is there because when all the body mounts are loose the cab rocks forward due to it being front heavy.
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#20 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,524
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Re: radiator support
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That is a 1/2 ton bracket for sure. You have something else going on, there is no way the cab should rock back and forth. When you lower the cab onto the mounts it should sit flat on all four of them with no gap, even without the bolts. Did you replace the floor? Is it a high hump or low hump floor? LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#21 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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Re: radiator support
I did replace the entire floor and its a low hump floor. i braced the crap out of the cab before replacing the floor too. Man this is not looking too good
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#22 |
Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: radiator support
IIRC my poly mounts had a short pair for the rad support but the 4 discs/tubes for the cab front and rear mounts looked the same, but wound up there were 2 pair......with like 10mm or less difference.
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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#23 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,524
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Re: radiator support
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Could the floor be hitting on the transmission? When the cab is sitting on the frame with no bolts in it which mounts are all the way down on the pads? Man, I hope your cab isn't jacked out of shape that much.... LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#24 |
Registered User
Join Date: Nov 2008
Location: manteca,CA
Posts: 18
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Re: radiator support
well there is no motor or transmission in so its not hitting that. The passenger side front and driver side rear are the ones not touching. i think that the rear of the floor might be off ill have to take some measurements of another truck.
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#25 |
Registered User
Join Date: Dec 2009
Location: California, Maryland
Posts: 544
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Re: radiator support
From what he says, the cab probably rocks because he has the front clip on (this is the front weight) and the rad support is not touching unless he loosens the back body mounts. I have the same situation on my 68 2WD after I put in new body mounts. I shimmed the rad support but have not yet tried putting on the front bumper. I suspect that I may have to reshim to get bumper to align. (mine did not rock from corner to corner, however.)
__________________
72 Fleet (died) 78 Step (sold) 55 Step named Fred (sold) 00 F150 68 Step (named El Scorcho by PO) Build thread for the new El Scorcho http://67-72chevytrucks.com/vboard/s...d.php?t=392932 Last edited by gkesseru; 09-06-2010 at 07:34 AM. |
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