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#1485291 Fri Jan 27 2023 01:25 PM
Joined: Nov 2021
Posts: 888
I am doing some sleuthing to buy seatbelts. Seeing that my kids will probably drive this when they get their license on special occasions I would like to install seatbelts and quite possibly shoulder belts.

I think lap belts have their place for originality, but I don't want ym kids to die in a wreck if one should happen.

I see all sorts of options for lapbelts, and have read Lugnutz awesome writeup on installing shoulder belts. My questions are as follows:

1. I seem to have seatbelt anchors in the floor. If I buy lapbelts do the center two anchors also hold the center belt or did GM not care about the center passenger?
2. Does matter what I buy if I want a GM belt? I am not sure what to buy for a retractor?
3. What length did other get for the inside latch? I imagine I will need the seat forward for my kids. I am guessing 15", but I am not sure without the cab together.

1966 C-10 Step Side
A Project Journal
Ferris Bueller #1485310 Fri Jan 27 2023 04:40 PM
Joined: Sep 2020
Posts: 223
No one replied, I’ll jump in since I just did belts in my 46,
I looked around a lot and ended up buying from Julianos.
Why, many on this site have bought there, for me total package with hardware was most complete, products thought out and including everything prices were competitive. They have instructions pages you will want to review in any case.

Tying the center belt to the same mounts as the sides should be fine, but review how those mounts are backed up, standards have changed since the 60’s and if you don’t like what you see adding mounts is a easy task. We used to use large round washers, now we use curve edged rectanglular plates, standards do evolve.
Shoulder belt mounts are the task, look at youtube, brothers trucking has a video on a 60’s truck I believe, David Welsh? is pretty good, having said that I don’t know why folks feel the need to weld in the shoulder mount when rivets will hold that backing plate in place with no mess, either way it is just sheet metal you mount to, each his own…
(As a side note: on my 46 (which is a fully finished truck) I could install a 10x10” 16 ga roll curved plate behind the shoulder area sheet metal, secured it to structural members at both the belt line & door frame, then mounted a under floor sized bolt plate behind that), each his own…


Last edited by Hanks custodian; Fri Feb 17 2023 03:51 AM.

Hank: 46 Chev 1/2ton shortbed
2023 Miata RF Club
Ferris Bueller #1485318 Fri Jan 27 2023 05:17 PM
Joined: Sep 2009
Posts: 3,586
Gearhead, Moderator for The Swap Meet and General Truck Talk

Check out this recent post in one of the Interior forum threads about your topic.




1951 Chevy 3 window 3100 (My Grandpa's hunting truck)
1966 Chevelle (Wife's Hot Rod)
2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998)
Com Fac Maint Lead Tech Retired (1998-2021)

Finally time to get to work on my Grandpa's (now mine) truck!
Ferris Bueller #1485463 Sat Jan 28 2023 03:09 PM
Joined: Nov 2021
Posts: 888
I have read lugnutz diy. Just wondering if there is a specific manufacturer or year to buy thst fits best?

I hate the trial and error process.

I will look into Julianos. Don't think I have seen that name.

1966 C-10 Step Side
A Project Journal
Ferris Bueller #1485894 Tue Jan 31 2023 08:47 PM
Joined: Nov 2021
Posts: 888

Contacted Julianos. What a great company to deal with so far. They are sending me color swatches so I can match with my seat colors. Their pricing is just a hair more than others, but the information and service is more than worth it.

1966 C-10 Step Side
A Project Journal
Ferris Bueller #1486506 Sun Feb 05 2023 02:02 AM
Joined: Feb 2002
Posts: 3,107
Socket Breaker
I have the Juliano's shoulder belts in my '65 C10. They have different latch options and belt material colors.

I haven't been in an accident yet(thankfully), but I've had more than a few panic stops since I installed them and they lock up quick and hard.

There was also a two snap belt option seat belt back then, some vendors sell them reproduction, one latch for the lap belt, one for the shoulder belt.

You'd have to scour the vendor sites to see if anyone still sells them reproduction, I can't think of where I saw them last.


Ferris Bueller #1486940 Tue Feb 07 2023 08:51 PM
Joined: Nov 2021
Posts: 888
I received the color swatches yesterday. I think the outer belts will be a dark blue and center light blue to match the seat color combo. Have to get them coming so I can modify the cab.

1966 C-10 Step Side
A Project Journal
Ferris Bueller #1487150 Thu Feb 09 2023 12:26 PM
Joined: Nov 2021
Posts: 888
Ordered last night. Still great customer service from them. Being CT they are close to me too.

1966 C-10 Step Side
A Project Journal
Ferris Bueller #1487598 Mon Feb 13 2023 12:22 PM
Joined: Nov 2021
Posts: 888
I will piggy back on this with a question.

I followed Lugnutz directions on placement. (have to give him a huge shoutout for all of his videos and write ups) I couldn't bring myself to drill and weld more holes in this cab, so I epoxied the backing plate to the cab to hold it in place. Think it will hold?

1966 C-10 Step Side
A Project Journal
Ferris Bueller #1487655 Mon Feb 13 2023 07:25 PM
Joined: Jan 2019
Posts: 1,335
Herder of Cats, Goats, and Sheep (moderator)
Did you epoxy the mounting plate to the face of the cab (inside the cab)? Or did you drill the large bolt hole and epoxy the plate inside the pillar?

If you epoxied it inside the pillar and were able to tighten the seat belt mounting bolt, you should be good. The purpose of drilling/welding the extra holes is to keep the backing plate from falling out while you attach the interior pieces.

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1958 Apache, long bed Fleetside, V8 w/SM420
Driveable but the rear axle needs work.

1959 Apache, long bed Fleetside that has been in the family for 25 years but in desperate need of love.
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