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#26 |
Senior Member
![]() Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Re: Rare 70 CST/10? Keep or Sell?
If it is a factory matching BB SWB SCT AC 400 auto Truck .... I would keep it and eventually fix it up. In 1970 the union was on strike and thus the production numbers were down.
This would be a much lower number truck optioned this way.
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A husband can be right...or...A husband can be happy. ![]() 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. ![]() 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc ![]() ![]() JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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#27 |
So,, what else you got???
![]() Join Date: May 2010
Location: Jackson, Mo
Posts: 18,637
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Re: Rare 70 CST/10? Keep or Sell?
You will know it if you see it. Looking to see if the drivers side engine stand has been excessively clearnced for the header tube. Not trimmed off on the trailing edge, but a huge chunk removed from it. Thanks, Fred.
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Our paypal is specialtyretail@yahoo.com Please DO NOTsend paypal funds as a gift, right is right. Thanks.... Sorry, we CANNOT ship larger parts. Thanks.
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#28 | |
Simple? What's simple?
![]() Join Date: Apr 2007
Location: Southeast CT
Posts: 1,472
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Re: Rare 70 CST/10? Keep or Sell?
Quote:
I have a '63 Buick coupe, and I was super excited to find a build sheet inside the rear seat, only to find it was for the 1037th car off the line that year, and mine is the 1035th. Ah well! Also, just from looking at the photos and your description of "rough body" makes me wish I lived on the West Coast ... a rough truck where I'm from up in New England, you can see through it like swiss cheese!
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CURRENT '50 GMC 100 shortbed Gen IV 4.8 LS - 4L65E (Secret truck, Shhh!!!) Build '63 Buick Wildcat Coupe 401ci Nailhead (Very much in pieces) Photos '66 Impala SS convertible 327-QJet-glide (4 speed swap one of these days...) Photos '69 CST/10 4x4 SWB Stepper 350 2bbl - NV4500/NP241C (Broken Truck!) '72 Sierra Grande 2WD LWB fleetside 350-TH350 Refresh '99 K2500 Silverado RCLB 5.7 Vortec - NV4500/NP241C (Daily) '99 K2500 Suburban 7.4 Vortec - NV4500/NP246 (still working out the bugs) SOLD '71 Custom/10 2WD LWB fleetside - '72 GMC K/3500 Dually (Sold to redryder) |
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#29 |
Registered User
![]() Join Date: Apr 2014
Location: Thousand Oaks, CA
Posts: 118
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Re: Rare 70 CST/10? Keep or Sell?
Fred: Pic of header/mount. Driver side.
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#30 | |
Senior Member
![]() Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,337
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Re: Rare 70 CST/10? Keep or Sell?
Quote:
please any one correct me if im wrong but heres the best way to tell originality * check to see what the casting date on the pass side back of the block, * then check the suffix stamp on the front passenger side of the block, (both should be with in 60 days of each other) *then you can then chart the vin# and cross reference a manufacture date. if they all coincide than you have a winner! and also see if the turbo 400 trans has a tag. that tag will give you a suffix ( should be C J ), that can tell you if it was a 396-402 truck trans and also dated to the truck. now if all these are good than I Think I would keep it! short box big block!!!! hope this helps
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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#31 |
Senior Member
![]() Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,337
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Re: Rare 70 CST/10? Keep or Sell?
heres a pic of engine casting date
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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#32 |
So,, what else you got???
![]() Join Date: May 2010
Location: Jackson, Mo
Posts: 18,637
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Re: Rare 70 CST/10? Keep or Sell?
Looks like big block engine stands. That is a plus for it.
__________________
Our paypal is specialtyretail@yahoo.com Please DO NOTsend paypal funds as a gift, right is right. Thanks.... Sorry, we CANNOT ship larger parts. Thanks.
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#33 |
Registered User
![]() Join Date: Apr 2014
Location: Thousand Oaks, CA
Posts: 118
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Re: Rare 70 CST/10? Keep or Sell?
Yes, numbers seem to match on engine. Even the heads have the "truck" stamp inside them, with a corresponding number. However, no intact paperwork.
I'd be curious to know if anyone has seen this Black paint, green interior combo? Black was the original paint, for sure. My mechanic seems to thing it was a special order. I have yet to see one... I have included above a pic of the interior. Seat is black, seat belts green, steering column green, among other accessories like A/C vents, etc. Fred: still not sure what the header reference was for, sorry if I missed it. |
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#34 |
Senior Member
![]() Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,337
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Re: Rare 70 CST/10? Keep or Sell?
Did they even install the 402 in 1970? or 1971? I really don't know?
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1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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#35 |
So,, what else you got???
![]() Join Date: May 2010
Location: Jackson, Mo
Posts: 18,637
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Re: Rare 70 CST/10? Keep or Sell?
The truck looks to have big block stands. If it had small block stands they would be all butchered up to make room for the header tube. Big block stands lean towards more likely being an original big block truck.
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Our paypal is specialtyretail@yahoo.com Please DO NOTsend paypal funds as a gift, right is right. Thanks.... Sorry, we CANNOT ship larger parts. Thanks.
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#36 |
Loves all GMC trucks
![]() Join Date: Jul 2010
Location: Columbia Mo
Posts: 4,435
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Re: Rare 70 CST/10? Keep or Sell?
If a person who parts trucks wanted to add a bb to the truck it could be done pretty easy. I added a 402 to my 72 GMC and the date codes are correct or very close. I took the motor from a 3/4 ton bb truck, added the 1/2 ton correct carb from another truck I parted a few months later.
I say this because all these are easily or reasonably easy to find parts but the riveted exhaust brackets are much more difficult to duplicate. I think the 70 bb trucks had a one year only TSC too. There is some differences in the upper alt bracket and ps reservoir mount too we could check but again these are readily available on the parts board. Just for the record... I'm not knocking the original posters truck just trying to help see if it's original. It was his original question.Lol
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Mike If your helping someone and expecting something in return... your doing business not kindness! Last edited by Cash3481; 09-05-2014 at 11:38 PM. |
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#37 | |
Registered User
Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
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Re: Rare 70 CST/10? Keep or Sell?
Quote:
While you are in that area, are the engine mount perches designed for the clam-shell mounts? I'm under the impression that a factory big block C10 would have the clamshell mounts but I don't know that for a fact. Also, about the exhaust hangers, I am also under the impression that the factory hangers are riveted in for the small block only on the driver side, and for the big block for both sides. Don't know for sure all the big blocks had duals but I do know for sure the small blocks only had single from the factory and always hung on the driver's side only. WISH I had a set of R side factory style hangers for my small block LOL. |
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#38 |
So,, what else you got???
![]() Join Date: May 2010
Location: Jackson, Mo
Posts: 18,637
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Re: Rare 70 CST/10? Keep or Sell?
If I am not mistaken, 72 models went to the clam shells.
__________________
Our paypal is specialtyretail@yahoo.com Please DO NOTsend paypal funds as a gift, right is right. Thanks.... Sorry, we CANNOT ship larger parts. Thanks.
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#39 | |
Senior Member
![]() Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,337
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Re: Rare 70 CST/10? Keep or Sell?
Quote:
good point! I have the original engine to my 71 (proof by 2 build sheets) but I needed a orig intake manifold. I got lucky and found one dated 2 days before engine build date! so it can be done. thank god for build sheets....
__________________
1971 K5 CST Blazer 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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#40 |
Registered User
Join Date: Dec 2010
Location: livingston co.mi
Posts: 2,457
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Re: Rare 70 CST/10? Keep or Sell?
didn't the factory BB trucks have a heat shields on the lower part of the firewall too?
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California 65 GTO---Texas 64 burb 283 ---Oklahoma 67 CST SWB BBW wood bed 327 2004r---New Mexico 72 k10 350 350 auto---Georga 72 short step project |
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#41 |
Registered User
Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
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Re: Rare 70 CST/10? Keep or Sell?
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#42 |
Vintage 4x4s
Join Date: Sep 2010
Location: Prior Lake, MN
Posts: 4,305
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Re: Rare 70 CST/10? Keep or Sell?
As mentioned, if it has factory dual exhaust brackets, the heat shield on cab, and removable high hump, it would most likely have been a BBC truck. 1968 was the first year of the BBC in these trucks.
Killer color combo and a CST would make a very nice combo.
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67 GMC K1500 Custom- 305V6 SM420, PTO, Ram Assist, yellow (the outcast) (project period correct upgrades) 67 GMC C2500 351V6 TH400, AC, PS, PB (can't decide what to do with. Update, decided to keep and will restore ![]() 86 CHV K30 502 th400, apple red NEW 71 CHV K20 350 SM465, ochre (saved work truck) 71 CHV K20 292 SM465, white, tach, PTO, (future project) 72 CHV K20 350 350th, medium blue (project stocker) 01 CHV K2500hd crew, indigo blue ^3 dont run and the others don't see winter either '86 K30 Cummins "Fireside" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=649649 '71 K20 "get driveable" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=590642 '72 K20 Build Thread: http://67-72chevytrucks.com/vboard/s...=493477&page=6 |
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#43 |
Registered User
![]() Join Date: Apr 2014
Location: Thousand Oaks, CA
Posts: 118
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Re: Rare 70 CST/10? Keep or Sell?
All great comments, certainly a wealth of knowledge out there. I am convinced it is a BB truck. It does have a few quirks which would be consistent with a "ranch type" thinking in Arizona. I am gonna double check the exhaust mounts in back to be sure. The truck is definitely growing on me!
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