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1960-1966 panel truck floor
#1398988 Fri Feb 26 2021 01:42 PM
Joined: Mar 2004
Posts: 76
6
64 Pete Offline OP
Shop Shark
Hi,
I was wondering if anyone can tell me if the wood floor in a 60-66 panel truck was intended to support the body?
This is a 61 C30 so it's a long floor in there.

Previous owner removed floor (with saw and ax from how it looked) and now I'm getting ready to try and fit plywood sheets.
Bought two sheets of 12' long plywood, cut to size, routered a lap joint, looks like it should go right in.

Problem is I have trouble getting the wood to slide under metal flange where it appears to belong.
Thickness appears to be the same between old and new plywood.
Body sag?
Maybe I need to apply a little bit of upward pressure on body?
I'm thinking two jacks along side and a 2 by 4 or 4 by 4 to spread load.

Those with long memories may remember me and this panel truck.
Trying to get moving again.

Thanks

Re: 1960-1966 panel truck floor
64 Pete #1399035 Fri Feb 26 2021 08:47 PM
Joined: Jul 2018
Posts: 113
X
'Bolter
I owned and drove a 66 C30 panel for 25 years, and if I remember correctly the floor was planks, not plywood. That's a long truck you have there and the body flexes a LOT. Although it isn't the easy option, you many want to consider using planks instead of plywood as the planks are not as prone to flex or bend. Thers should be steel runners between and on top of the planks to strengthen the floor (and the truck as well once it is all bolted together) and also bolt to the body crossmembers. I am guessing that with a plywood floor replacement done long ago before you got the panel, those strips were probably not reinstalled.



Re: 1960-1966 panel truck floor
64 Pete #1399039 Fri Feb 26 2021 09:27 PM
Joined: Oct 2015
Posts: 324
P
'Bolter
I have a 62 c 30 panel , 2 layers of plywood with the bolts going through the steel runners to metal channel running across the frame rails .
John


good planning is no substitute for dumb luck
Re: 1960-1966 panel truck floor
64 Pete #1399041 Fri Feb 26 2021 09:32 PM
Joined: Apr 2005
Posts: 9,894
Grease Monkey, Moderator General Truck Talk & Greasy Spoon
The panels had plywood for those years.


Martin
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Re: 1960-1966 panel truck floor
64 Pete #1399042 Fri Feb 26 2021 09:38 PM
Joined: Mar 2020
Posts: 209
T
'Bolter
I believe that the body does rest on top of the floor, You will want to raise it a little to put the new floor in. put a 2x4 (or 4x4 whatever works best for you and your jacks) between the jack and the body and gently raise it, put it on jack stands and repeat on the other side. I would recommend another set of hands and eyes there to help while raising the body, it's not light and there are a bit of parts that you need to watch to make sure you don't bend or break anything. I have seen people replace the floor in some older posts, they cover it pretty well.


62' GMC Fleetside 3/4 ton 235 4-speed.
Time makes fools of us all.
Re: 1960-1966 panel truck floor
64 Pete #1399213 Sun Feb 28 2021 01:05 AM
Joined: Mar 2004
Posts: 76
6
64 Pete Offline OP
Shop Shark
Hi,
Thanks for responses.

https://www.gmheritagecenter.com/do...hevrolet-Trucks/1961-Chevrolet-Truck.pdf

If you go to page 52 of this pdf it will tell you it is plywood.

I think the gentle raising of body is best idea.

"panel fan" It's interesting your truck has two layers of 1/2" where mine was one 1" layer.
How many skids on yours? It says five on that pdf page, but I got extras with mine I think.

Pete

Re: 1960-1966 panel truck floor
64 Pete #1399219 Sun Feb 28 2021 01:12 AM
Joined: Mar 2004
Posts: 76
6
64 Pete Offline OP
Shop Shark
BTW: the GM info site is at

https://www.gmheritagecenter.com/

The info kits are at:

https://www.gmheritagecenter.com/gm-heritage-archive/vehicle-information-kits.html

note that the pdfs often have a blank first page so don't let that fool you.

Pete

Re: 1960-1966 panel truck floor
64 Pete #1399304 Sun Feb 28 2021 03:44 PM
Joined: Oct 2015
Posts: 324
P
'Bolter
Of hand I cant remember how many skids and the truck is put away off sight for the winter . As for the type of wood , when removing the rear wheel I could see that it was plywood and was left with the impression there were two sheets I will have get an eyeball on it again to remind me how I came to that conclusion .

John


good planning is no substitute for dumb luck
Re: 1960-1966 panel truck floor
64 Pete #1399519 Mon Mar 01 2021 04:44 PM
Joined: Jul 2018
Posts: 113
X
'Bolter
So.....apparently the floor in my panel was modified at some point before I bought it, or I was just plain wrong.....I have no problem here admitting it. Good Luck with your repairs.



Re: 1960-1966 panel truck floor
64 Pete #1399569 Mon Mar 01 2021 09:15 PM
Joined: Mar 2004
Posts: 76
6
64 Pete Offline OP
Shop Shark
Xena,
Can't be right all the time right?

It should/could be plywood or someone dropped something too hard and damaged the original floor and went with planks.
(You don't just run into HD or Lowe's and get a 12 ft sheet of plywood.)
The skids do give the floor a similar appearance to a pickup bed.
Our trucks have been around a while so strange things turn up.

btw: Anyone else have 10,000Lb GVW plate on their panel?
It has a LOT of leaves in the rear springs!

Pete


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