another frame swap question truck on burb frame
i did a search but most results are for putting 67-72 cabs and beds on newer suburban chassis's but not much for the same era
i have also found that the 67-72 truck and burb frames are the same except for the rear of the burb is different? i have a 71 gmc long bed stepside and found a 68 burb just trying to find out in detail what would have to be done body mounts moved etc |
Re: another frame swap question truck on burb frame
There’s not much need for swapping a disc brake truck onto a drum brake Sub frame. One of the reasons for swapping on a newer Sub is you get a complete driveline upgrade.
Should be a fairly easy swap, but you won’t find many who have made it. Maybe a 68 truck on a 71 Sub chassis. |
Re: another frame swap question truck on burb frame
im getting the bare frame plus trailing arms so transfer all my parts over to it my frame has been patched at the steering box and the whole section behind the cab is rotted right through so the only reason for the swap is a solid frame.
moving body mounts isnt a big deal, and cutting some frame off the rear no biggy just trying to educate myself before i commit to buying it thats all |
Re: another frame swap question truck on burb frame
The Burb frame is about a foot longer "all at the very back" and rear most cab mount and bed mounts is it. Very easy swap.
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Re: another frame swap question truck on burb frame
don't quote me, I'm just a noob here, but some food for thought..
my understanding but please verify: 4x frames are narrower than 2x on trucks and suburbans 4x engine mounts are set back further than 2x long bed truck and suburban frames are 127" wheel base longhorn truck frames are 133" wheel base ETA - read in here recently suburban and longhorn were same but after consulting my spids, they are not.. not sure about truck cab/bed vs suburban body mounts.. should be threads in here, hopefully those in the know will give you a nudge.. good luck! |
Re: another frame swap question truck on burb frame
I'll add a little of my knowledge. The 67-72 suburban wheelbase will be same as the long bed 67-72 pickup, 127". Your front clip and front cab supports should match up on the suburban frame. Behind that you will need to modify the body mounts. I myself would try to find a 69? 70-72 frame due to the 68 probably doesn't have the power steering box, frame indention and steering components.
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Re: another frame swap question truck on burb frame
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appreciate the responses guys! |
Re: another frame swap question truck on burb frame
Yes suburbans were same as trucks. 71-72 would be 5 lug, front disc brakes. I’m not sure what your looking at, could it be a 71-72 suburban with a 68 front clip? Or maybe 68 with 5 lug conversion. Anything is possible through the past 50 years, lol. I agree, more questions would be good ideal.
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Re: another frame swap question truck on burb frame
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