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04-17-2012, 05:31 PM | #1 |
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Location: Ontario, Canada
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70 C30 Questions
So I have been looking to get a project truck for a while now and I found a 1970 C30 close to me. It says its 2wd but what is the major difference from a C10 to a C30. The goal is to bag and maybe body drop the truck. Are there any surprises I should keep a look out for?
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04-17-2012, 07:28 PM | #2 |
1969 Custom 30 wrecker
Join Date: Sep 2001
Location: Pottsville, Pa
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Re: 70 C30 Questions
There's a big difference between the two. The "C" is for a 2 wheel drive. A C10 is a 1/2 ton and a C30 is a 1 ton. (C20 would be 3/4 ton)
If it is a C30, that's a heavy duty truck and would have leaf springs, dual wheels, large brake drums, etc. Sounds like you might be better off with a 1/2 ton.
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04-17-2012, 08:17 PM | #3 |
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Re: 70 C30 Questions
I looked at the ad again and its definitely single wheel rear and has coils up front. There are leafs out back. My goal is a shop truck look so the 8 lug single wheel might look slick. I just wanted to make sure the front geometry isn't something crazy.
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04-17-2012, 09:19 PM | #4 |
Special Order
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,852
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Re: 70 C30 Questions
There were single and dual rear wheel C/30s,with only single rear wheel pickups. They were either 9' Stepsides or Longhorns. They all had rear leafs. You'll be on your own with slamming it but it can be done.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
04-17-2012, 09:33 PM | #5 |
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Location: Ontario, Canada
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Re: 70 C30 Questions
How different is the front of the frame from any other C10? I figure the front suspension is the hard part. The club shop I am working out of has built custom frames and has several bodied vehicles. As long as there isn't something crazy up front I figure its all the same.
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04-18-2012, 09:10 PM | #6 |
Special Order
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,852
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Re: 70 C30 Questions
10-30 frames are the same up front. Suspensions are interchangeable.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
04-18-2012, 09:47 PM | #7 |
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Join Date: Aug 2010
Location: Edwards, CA
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Re: 70 C30 Questions
OK, now I'm curious. But first as Special K hit on there is a lot to choose from suspension wise. If it is your decision to lower a C30 then the later dually parts are apparently useable without too much effort as I recall.
Now the question, what does it look like? A Fleetside 8.5' (Longhorn) or a Stepside 9'? It could even be a Chassis Cab truck with SRW. Pictures please! Also to put in perspective a bit, the curb weight difference between a Fleetside V-8 C/10 8' and a C/30 8.5' is about 600lbs..
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04-18-2012, 09:54 PM | #8 |
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Location: Ontario, Canada
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Re: 70 C30 Questions
The truck doesn't have a bed. But since it would require frame work any way I can always just shorten it to accept a short box
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04-18-2012, 10:04 PM | #9 |
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Location: Ontario, Canada
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Re: 70 C30 Questions
This is kinda the idea in the end. Just paint probably won't black. Probably a fake patina of some sort
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04-18-2012, 10:45 PM | #10 |
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Re: 70 C30 Questions
Thanks for the pictures. Looks nice but now I need to ask if you are sure its a C/30? It would be interesting to see the SPID or the model number. I can see the fender emblems are C/30 (at least on the driver's side) but the cab has the '67-68 molding on the doors and the cab. Looks like the front clip may have been changed or vice versa Take a look at the title, SPID, door plate, and even the frame numbers if nothing else matches.
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Thanks, Tim * VIN/Model Decoders * Power Team Charts (engine/transmission/gear ratio) * Post Your Pickup SPID ** Blazer SPID ** Suburban/Panel SPID * RTFM ... Read The Factory Manuals... download 'em here Highlanders ** Do you have a 1972 Plaid Pickup? ** Plaid Blazer ** Plaid Suburban |
04-18-2012, 11:01 PM | #11 |
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Location: Ontario, Canada
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Re: 70 C30 Questions
It was a tow truck at one point in time. I will see what I can find out on Saturday when/if I can go see it
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04-18-2012, 11:18 PM | #12 |
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Location: Edwards, CA
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Re: 70 C30 Questions
Tow trucks, especially boom type tow trucks and dump trucks are by nature vocationally very hard on the chassis and driveline. Everything from overloading to an underpaid driver at 2AM who would rather be anywhere else....
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Thanks, Tim * VIN/Model Decoders * Power Team Charts (engine/transmission/gear ratio) * Post Your Pickup SPID ** Blazer SPID ** Suburban/Panel SPID * RTFM ... Read The Factory Manuals... download 'em here Highlanders ** Do you have a 1972 Plaid Pickup? ** Plaid Blazer ** Plaid Suburban |
04-18-2012, 11:27 PM | #13 |
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Join Date: Apr 2007
Location: Foster Rhode Island
Posts: 1,176
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Re: 70 C30 Questions
A real C30 has a taller frame. The main rails under the cab and just behind it is an inch taller than a standard c10 or 20 frame. Nice work truck. Almost a shame to lower it and stuff. Just me though. Let me know if you buy it and want to get rid of the overload springs.
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