74 / 88 Suburban ?????????

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I recently bought a 74 Suburban , LS Swapped and drives great , But the interior / seats need help . Had an upholstery shop tell me $3600 to recover the seats , front bench , 2 rear benches .

Have just bought an 88 Burb with better seats , will they be a direct swap to the 74 Burb , Bench front and both rears ?

Also want the Seat Belts as they are 3 point , same question , will they be a direct swap to the 74 ?

My plan is to swap these items if they are a direct swap then resell the 88 Burb once we get it running .
Any help much appreciated , dont have possession of the 88 Burb yet .

[AussieinNC]

I believe all 7th generation Suburban's (1973 - 1981) used a common floor pattern so the seat bolt holes should all be there in the floor.

They all use a common wheelbase of 129.5 inches...

Question...Are you changing the door trims?
Are both vehicles fitted with either wind up windows or power windows?

Not sure about 3 point seat belt mounting points on door pillars....I dont believe the 74 has them ....

Hope this helps out...

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Both have manual windows , not changing anything there on either one . My 74 has full outside trim , uppers and lowers , the 88 is a plain Jane version with no trim , was a Fire Dept truck in Texas .

Just got the 88 home so I can start investigating what will interchange .

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The 74 Suburban does have provisions / mount holes in door pillers for the next one doing what I am .
Also it appears the floor seat belt holes are the same .

[LT7A]

Cool. I know it's not essential for your task at hand, but let's see some pictures!

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Unfortunately I have never figured out how to post pics here . I wish it was as easy as it is on Facebook.