cab mount perches????? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

silverpete · 05-17-2009, 02:10 PM

Is a 74 frame differnt from an 86? if so is it more than just the front frame horns? I mounted my 86 cab on teh 74 frame last nite and just noticed that teh rear of the cab is sitting lower... WTF... I thought I was runnin a head of the game... Anyways anyone here ever run into this issue, If so what do you do to make it work.? I still have my old frame and was thinking about cutting the rear cabmount out and bolting it to teh frame im using...

I bought the 74 frame because it had been sand blasted and painted and it was $100... i was told that the only difference was the front frame horns..

ChaseDale3and8 · 05-17-2009, 08:05 PM

The frames are a little bit different starting with 1981 model year, but the bodies will interchange from 73-87. The big difference betwwen them is the body mount bushings are different. Just buy some new body mount bushings for the year of frame that you are using, not the cab and it should resolve your problem. ...Joe

**old Rusty C10** · 05-17-2009, 09:17 PM

exactly what he said i had the same problem

silverpete · 05-17-2009, 10:26 PM

Thanks guys, I didnt have the issue with the cab mount bushings the plasma cutter fixed that, My issue was the cab mount perches seemed lower about a half inch or better.. I just cut my old cab mount cross member oout of the twisted frame and bolted it to the new frame it took alil time but the cab sets level now.. But im sure the right bushings and cab mounts would have cured it..

05-17-2009, 02:10 PM	#1
silverpete Registered User Join Date: May 2009 Location: Bel Air Md Posts: 39	cab mount perches????? Is a 74 frame differnt from an 86? if so is it more than just the front frame horns? I mounted my 86 cab on teh 74 frame last nite and just noticed that teh rear of the cab is sitting lower... WTF... I thought I was runnin a head of the game... Anyways anyone here ever run into this issue, If so what do you do to make it work.? I still have my old frame and was thinking about cutting the rear cabmount out and bolting it to teh frame im using... I bought the 74 frame because it had been sand blasted and painted and it was $100... i was told that the only difference was the front frame horns..

05-17-2009, 08:05 PM	#2
ChaseDale3and8 Registered User Join Date: Jun 2007 Location: Springfield Mo. Posts: 1,086	Re: cab mount perches????? The frames are a little bit different starting with 1981 model year, but the bodies will interchange from 73-87. The big difference betwwen them is the body mount bushings are different. Just buy some new body mount bushings for the year of frame that you are using, not the cab and it should resolve your problem. ...Joe __________________ I'm not speedin'! I'm qualifyin'!

05-17-2009, 09:17 PM	#3
old Rusty C10 Robert Olson Transport Join Date: Oct 2002 Location: recent transplant to NC USA Posts: 20,277	Re: cab mount perches????? exactly what he said i had the same problem __________________ Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!!

05-17-2009, 10:26 PM	#4
silverpete Registered User Join Date: May 2009 Location: Bel Air Md Posts: 39	Re: cab mount perches????? Thanks guys, I didnt have the issue with the cab mount bushings the plasma cutter fixed that, My issue was the cab mount perches seemed lower about a half inch or better.. I just cut my old cab mount cross member oout of the twisted frame and bolted it to the new frame it took alil time but the cab sets level now.. But im sure the right bushings and cab mounts would have cured it..



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