Suburban rear seats and tracks, any info?

[aerotruk63]

In the Province where I live we have a strong car/truck culture. The problem is a language barrier. I've known this guy for 25+ years but he doesn't speak a word of English. He's French Canadian like me so we'll refer to him as Frenchie. So I'm asking you guys for help.

He has a radical bagged American Built 65 GMC Suburban V6 without any rear seats. He needs the seats so he can bring his kid's with him to the shows, not the wife cause she divorced him years ago over his passion for these truck's. He also has a 66 pickup with a 502 in it.
Now in my search for seats for his truck we've come across that there may be two types of mounts? He has tracks on his rear floor and there was apparently some years without tracks. In all my literature I have no pictures of these tracks so I'm looking to find out how the rear seats were attached to the floor! Are the rear seats interchangeable between 60-66. What years do interchange?

Now as for pictures of his trucks, if I had any to show you guys I would. I know, I know, but I'll get you some when I get home for the winter. Still out on the road!

Hey, Thanks for any info you can share.

From 1963 Chevrolet Truck Data Book.

[Corts60]

This is my '60. You can see all of the little holes in the floor. Basically this style of attachment was a carriage bolt that ran upside down through the frame with a wingnut on top to screw it down. The head of the carriage bolt is what went inside those holes in the floor. I'm not sure what years the changed to the track style seats.

[aerotruk63]

So that takes care of 1960, Thank you for that! Do you have any seats for your burb?

[gostranger]

chevy has the style you show pictured and gmc has the full length tracks let me know if you need the chevy or gmc seats

[csa daddy]

uh the sub i have gets stranger an stranger cause it has the brackets like shown not a slide track

[aerotruk63]

GMC seats for a 65. Does GMC have the tracks and Chevrolet doesn't? What type of bracket or fastener goes in the tracks?

Just found this Quote from another member by a search:

"Rear seat - Full width middle seat. This uses the track system GMC had from 62-66."

[gostranger]

i may be wrong but all the chevys i have seen have the mounts shown in the picture and a ll the gmcs have the tracks so the seat mounts were different i will see if i can come up with pics

[padresag]

my 65 GMC has the track and the 66 chev has the cleats and the 64 chev that I was looking at on sunday was cleats. and I sold a set of seats on sat.
but we did find a 60 gmc suburban on sunday that we did find on Sunday and part do to rust . has a good hood on it to by looks, so it may have something in the back. friend wants a set of clamshells instead of the barn doors on his
ron

[MusicMan70]

My 1961 GMC has the bolt down type. I believe 1962 or 63 was the first year for "sliders" across the board.

[aerotruk63]

This is great we have 1960 & 1961 GMC covered, no tracks GMC/Chev. So far 65 GMC has tracks and 66 & 64 Chevy has cleats. I would sure like to see what holds the seat on the tracks.

[nbrfd007]

My 62 GMC have the bolt in seats.
Tim

[aerotruk63]

This is great:
GMC stats are:
1960 cleats, no floor tracks - cort60
1961 cleats, no floor tracks - MusicMan70
1962 cleats, no floor tracks - nbrfdoo7 & oem4me
1963 floor tracks - Jim Jantzen
1964 floor tracks
1965 floor tracks - padresag & Frenchie
1966 floor tracks - craigslist find & dugvera@gmail.com

Chevrolet stats:
1960 cleats
1961 cleats
1962 cleats
1963 cleats
1964 cleats - protrash64
1965 cleats - Demmit Hemmit's 65 & oem4me
1966 cleats - padresag

[protrash64]

My '64 'burb has the same thing as Cort's truck........Chevy.

[aerotruk63]

The 61 and 62 rear seat seems to differ in style, in that the 61 rear 56" seat has 5 tubes curving and going towards the front of the truck while the 62 has only three!

[MusicMan70]

Good Eye Aerotruk63! I see the difference now!

[MusicMan70]

Here is the bottom off my 61' GMC with cleats. Seat is pushed over and the seat bottom cushion is taken out. The 5 referenced rear supporting legs are on the top.

Now back to our/your survey

[Corts60]

Originally Posted by aerotruk63

The 61 and 62 rear seat seems to differ in style, in that the 61 rear 56" seat has 5 tubes curving and going towards the front of the truck while the 62 has only three!

Good point, now if you also notice between the seat with only three tubes and my floor above without a seat installed, it would seem that the '62 seat would not bolt up to the earlier style floor due to the frame mounts being wider. Am I seeing this right?

[aerotruk63]

Now it's a lot to ask of our participants , but would measuring the distances between the holes be out of the question?

Could use the track dimensions as well.

[Corts60]

Does anyone have a picture of a bare floor from a '62 or later 'burb?

Here is the 60-61 mounts:

[aerotruk63]

Corts60 are you missing a red circle in the forward position ( aka second seat ) for the 56" seat" when the truck is ordered for six passengers instead of eight? Seems the difference in the six passenger is the side window slider beside the seat with fixed glass in the rear section and when you have eight passengers you have the four side windows slide?

[Corts60]

Originally Posted by aerotruk63

Corts60 are you missing a red circle in the forward position ( aka second seat ) for the 56" seat".

I thought so too but I don't see one in the pic. And unfortunately my 'burb isn't anywhere near me to go look.

I went back to the orignal pic and zoomed in and there is no pocket there for a carriage bolt. What you are seeing up there is a body bolt that goes to the frame.

Actually, look at the front shot of my seat. There is only two frames so there could only be two mounts, right? I don't know why there is a fifth location for a carriage bolt in the floor.

[aerotruk63]

Look at MusicMan70's picture with the flipped forward view, his has the similar two mounts forward.

[Corts60]

I just robbed a pic from gostranger's build thread. Check out the front seat mount locations (1964). I assume this would stay the same for the 4-5-6's.

[aerotruk63]

So for gostranger's 64 Chevy, six carriage bolt mounts in the forward position. But how many on the seat and at what spacing side to side and front to back, compared to the earlier trucks? Was his originally a six or eight passenger? If it was a six passenger, does it retain the rear floor mounts as well?

[oem4me]

Geesh, It's kinda hard to follow the conversation here, but I have a couple shots. One is of a '62 GMC (well used), and one of my '65 Chevy (well preserved). Both have the inserts for bolts, but if you look close you might notice the slightly different layout.
My 65 was always a two-seater, but has the inserts for a third seat none the less. take note of the four slider windows and short second seat on the '62. That means the third seat is missing. A full width second seat and fixed rearmost windows on the '65 means it never had a third seat.