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Cab mount frame support question

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Old May 11, 2011 | 08:11 PM
  #1  
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77FordDW
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Cab mount frame support question

Here's a picture of mine (sorry for it being upside down, I'm currently working on the frame and didn't want to flip it over just for the picture, haha):



Does anyone know what the ID of that hole is supposed to be? I'm either going to repair that one or simply build new ones, but I'm not quite sure what that hole should be.

Also, this may be asking a bit much but what about the length, center to center across the frame, from one to the other?

I'm sure the holes are big enough to allow all the movement the cab would need to compensate any abnormalities, but I wanna get it kinda close. I don't want to buy frame savers or new mounts from JBG simply because I weld for a living and all these materials are free to me. :-)

Thanks!
 
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Old May 11, 2011 | 08:16 PM
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73f250highboy
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From: sacramento
thats badd haha i think the mount should snugly fit in there (i cant remember) but if you have the old rubber mount maybe? someone else on here probably knows but my spare frame/parts are not at the house im at so i cant measure them for you till the weekend
 
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Old May 11, 2011 | 08:25 PM
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When I get done it'll be one solid piece and you wouldn't know it was previously rotted, haha. I just need to know the ID of the hole so I get it right. :-)

The old mounts are mutilated, but I'm almost 100% sure the hole is bigger than the mount/bolt that go down through it.
 
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Old May 11, 2011 | 08:37 PM
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From: sacramento
i will try to get measurements for u this weekend if no one else chimes in before then
 
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Old May 11, 2011 | 08:37 PM
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From: sacramento
i wont have the measurement from the frame tho because i believe those are different
 
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Old May 11, 2011 | 08:41 PM
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It's fine. The hole size is most important.

Thanks!
 
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Old May 12, 2011 | 12:58 AM
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From: Big Sky Country
Originally Posted by 77FordDW
Does anyone know what the ID of that hole is supposed to be? !
It's 1.75"
 
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Old May 12, 2011 | 04:46 AM
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Ah, so all 4 on the cab are the same and the core support is a bit smaller. (1 3/8"-1 1/4") Thanks!
 
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