lv2tri2 Shackle type cab mounts - The 1947 - Present Chevrolet & GMC Truck Message Board Network

lv2tri2 · 07-31-2014, 01:49 PM

Sorry forgot the issue earlier. I can't see why a shackle type mount is needed on the rear of the cab. Won't a mount similar to the front work?

**Advanced Design** · 07-31-2014, 09:31 PM

Don't know why it wouldn't. The shackle type mount must have been an attempt to give the cab some "give" and flex....maybe less of a shock load on the floor. Would reinforce the rear floor at the mounting location similar to the front floor.

Unless someone else can chime in and offer other ideas?

lv2tri2 · 07-31-2014, 09:59 PM

Thanks for the advice, Knowledge is coming from several with this issue. I didn't know until today there was a problem with the cab pulling apart in late 47 and 48 due to frame flex. I have a tube frame, so there won't be any shackles, I'll add the reinforcement to the rear cab mounts anyway. Thanks for your help

07-31-2014, 01:49 PM	#1
lv2tri2 Registered User Join Date: Feb 2013 Location: Fallbrook California Posts: 245	lv2tri2 Shackle type cab mounts Sorry forgot the issue earlier. I can't see why a shackle type mount is needed on the rear of the cab. Won't a mount similar to the front work? Last edited by lv2tri2; 07-31-2014 at 01:54 PM. Reason: Left off the issue

07-31-2014, 09:31 PM	#2
Advanced Design Senior Member Join Date: Jul 2012 Location: Oblong, Illinois Posts: 7,017	Re: lv2tri2 Shackle type cab mounts Don't know why it wouldn't. The shackle type mount must have been an attempt to give the cab some "give" and flex....maybe less of a shock load on the floor. Would reinforce the rear floor at the mounting location similar to the front floor. Unless someone else can chime in and offer other ideas? __________________ Doug Advanced Design’s 1977 Blazer Build Advanced Design's '48 'Burb Build Mrs Advanced Design's '72 Suburban Advanced Design's 56 BelAir LS swap

07-31-2014, 09:59 PM	#3
lv2tri2 Registered User Join Date: Feb 2013 Location: Fallbrook California Posts: 245	Re: lv2tri2 Shackle type cab mounts Thanks for the advice, Knowledge is coming from several with this issue. I didn't know until today there was a problem with the cab pulling apart in late 47 and 48 due to frame flex. I have a tube frame, so there won't be any shackles, I'll add the reinforcement to the rear cab mounts anyway. Thanks for your help



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