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Old 02-09-2019, 07:43 PM   #1
75C10
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Blazer bucket seat help

I picked up a 77 Blazer missing the seats front and back. I know the short back were from 73-77 then the high back from 78 to 91. Were all the highbacks the same? Found a set of high backs from an 86 that are much more rounded on the top but look correct otherwise. Are the bolt patterns all the same? Any words of advise? I am trying to bring the interior back to stock and have many parts already. But the seats may be an issue. Any and all help / comments are appreciated

Do the back seats interchange?
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Old 02-11-2019, 03:36 PM   #2
75C10
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Re: Blazer bucket seat help

Didn't mean to ask a hard question. I have found there are 3 types of the high back seats. The early high back seats are square looking on top. The later ones are more rounded and smooth looking. They also don't recline until 86.

Can somebody please confirm the reclining part?

Still don't know about the bolt patterns but that shouldn't be an issue.

I presume many of the seats were changed to something more comfortable and have a recline feature. Perhaps that's why my seats are gone.
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Old 02-13-2019, 03:12 AM   #3
68Timber
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Re: Blazer bucket seat help

Your info on the seats sounds right. The later high backs that are rounded off at the top used different bases and likely don't bolt up to the earlier floors. Maybe the drivers side does? But the later passenger side front bucket seat will not since it doesn't hinge at the front of the seat base and fold forward like the late 70's/early 80's seats do. Did your 77 have the back seat that folds forward or bolted fixed to the floor?
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Old 02-13-2019, 01:34 PM   #4
75C10
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Re: Blazer bucket seat help

Thanks John,
I currently don't have any seats nor do I know anybody that has a K5 to look at. However this will change as the year progresses. I am in a collecting parts mode right now and will assemble this truck next winter. I think I have a deal on a set of seats from an 86 so I will go with that for the short term. I will update this thread as I learn more.
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Old 02-13-2019, 02:35 PM   #5
68Timber
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Re: Blazer bucket seat help

To figure out what back seat you need, look at the holes in the rear floor. If you have bolt holes only then the back seat from the 86 won't work and you'll have to look for an earlier fixed mount seat. If your floor in the back has bolt holes for the front edge of seat and recessed pins in the rear then the seat from the 86 will work.
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Old Yesterday, 11:48 AM   #6
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Re: Blazer bucket seat help

The earlier high back seats did not recline. The passenger side has a hinge, and the seat would pivot on that. Pretty sure those seats will interchange side to side if necessary to account for wear. Starting around 86 or so, they went to a fold and slide type seat, where the track stays stationary, and the seat folds forward and slides on the tracks for access to the rear seat. These seats have a reclining mechanism and cannot be switched side to side due to this. The top of the front seat is more rounded like you are describing. As far as I know, the rear seat design is pretty similar from 78 on, in that it folds and tumbles forward.
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