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-   -   67 C 30 heavy duty (https://67-72chevytrucks.com/vboard/showthread.php?t=862761)

JDL 02-11-2026 05:34 PM

67 C 30 heavy duty
 
5 Attachment(s)
I just got this one in kind of unusual truck.

dagnabbitt 02-11-2026 06:02 PM

Re: 67 C 30 heavy duty
 
Pretty cool truck, I can imagine all kinds of things to do with a rig like that.

too much stuff 02-11-2026 10:14 PM

Re: 67 C 30 heavy duty
 
Looks fairly solid for a rust belt truck. Quite the gears and nice to see marker lights listed. Good find.

c30 02-12-2026 01:53 PM

Re: 67 C 30 heavy duty
 
It's got five lug split rims.
My 67 C30 came with 8 lug solid rims. At least I think it did.
I don't ever remember seeing those rims. Anybody got input on that?
What size tires are on that?

c30 02-12-2026 01:57 PM

Re: 67 C 30 heavy duty
 
small block or 6 cylinder?

Steeveedee 02-12-2026 03:03 PM

Re: 67 C 30 heavy duty
 
1 Attachment(s)
See this doc. "S" was six, "E" was eight cylinder. An eight wasn't necessarily a small block.

For optional wheels, go to this site and scroll down to the "Q" designation.
https://outintheshop.com/options.html

68panelman 02-12-2026 06:33 PM

Re: 67 C 30 heavy duty
 
Quote:

Originally Posted by c30 (Post 9422592)
It's got five lug split rims.
My 67 C30 came with 8 lug solid rims. At least I think it did.
I don't ever remember seeing those rims. Anybody got input on that?
What size tires are on that?

Should be 19.5 wheels. You have the HD HO110 rear with 14000 GVW

JDL 02-12-2026 06:52 PM

Re: 67 C 30 heavy duty
 
Quote:

Originally Posted by 68panelman (Post 9422626)
Should be 19.5 wheels. You have the HD HO110 rear with 14000 GVW

It has 20 10 lug on the back and 18 5 lug on the front

Quote:

Originally Posted by c30 (Post 9422594)
small block or 6 cylinder?

It has a SB v8 not original

Steeveedee 02-12-2026 08:35 PM

Re: 67 C 30 heavy duty
 
I guess the brakes and tires and wheels are automatic when the 157" chassis is ordered? This thing is a beast!

67 twins 02-12-2026 10:54 PM

Re: 67 C 30 heavy duty
 
Quote:

Originally Posted by Steeveedee (Post 9422608)
See this doc. "S" was six, "E" was eight cylinder. An eight wasn't necessarily a small block.

For optional wheels, go to this site and scroll down to the "Q" designation.
https://outintheshop.com/options.html

No big blocks in trucks in 67. So it would have been a small block.

Steeveedee 02-12-2026 11:27 PM

Re: 67 C 30 heavy duty
 
Quote:

Originally Posted by 67 twins (Post 9422667)
No big blocks in trucks in 67. So it would have been a small block.

OK, at least for C10-C30, right? Revving the snot out of that 283...since the SPID doesn't say 327.

67 twins 02-12-2026 11:48 PM

Re: 67 C 30 heavy duty
 
Quote:

Originally Posted by Steeveedee (Post 9422672)
OK, at least for C10-C30, right? Revving the snot out of that 283...since the SPID doesn't say 327.

Good thing it's a short stroke engine with those rear gears. I can just hear that thing screaming!

jumpsoffrock 02-13-2026 12:25 AM

Re: 67 C 30 heavy duty
 
Maybe they wanted a C40 without the larger frame etc?

Neat old truck, from back when you could order whatever you could dream of.

Bob B. 02-13-2026 02:01 AM

Re: 67 C 30 heavy duty
 
That's what I was thinking, it's almost a C40. What's the GVW on the VIN plate?

c30 02-13-2026 10:57 AM

Re: 67 C 30 heavy duty
 
There is a 68 c50 on Chicago Craigslist today, 2/13/26, that has the same rims. Five lug in front and 10 lug in back. I'm thinking this chassis is heavier than a 1 ton.

kwmech 02-13-2026 01:19 PM

Re: 67 C 30 heavy duty
 
1 Attachment(s)
My flatbed was the same. It came to me as a Class B motorhome. 19.5 rims 14k GVW. 396 engine, 157 wb. The motorhome part of the truck had a lot of rot so it met its fate with a sawsall and the dump. It was however fully loaded. I think the only thing missing was cruise control. Had Jeff remake me a spid. I pulled out the 396 and put in a 454 and added a gear vendor unit to the back of the t400. I cut off 2 feet of frame in the back and I still have a 10' long deck on it. Got rid of the HO72 and went with a D70hd and swapped out the fronts for 8 lug also. Converted to 8 lug and 16'' rims


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