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11-13-2004, 03:26 PM
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#1 |
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Registered User
Join Date: Jun 2003
Location: Beaumont, Tx
Posts: 281
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Core Support Question
Is the pictured Core support look like it is for a 67-68, or is it for a 79-72?
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11-13-2004, 04:44 PM
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#2 |
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Registered User
Join Date: Jan 2002
Location: WATAUGA,TX
Posts: 675
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Pictures kind of dark but looks like a 69-72.
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72 2wd 307/AT/AC/TILT WHEEL 78 JIMMY HIGH SIERRA |
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11-13-2004, 08:01 PM
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#3 |
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user # 2756
 
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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Along the bottom are those welded(captive) nuts, if so I'd say 67-68.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm 
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11-13-2004, 09:40 PM
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#4 |
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Watch out for your cornhole !
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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computer magic reveal a 67-68 core support in those shadows!
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I'm on the Instagram- @Gearhead_Kevin |
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11-13-2004, 10:12 PM
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#5 |
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Registered User
Join Date: May 2000
Location: Storm Lake, Ia
Posts: 1,449
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Sorry firefighter I think I disagree
Look at this pic of 72 core support still in truck. Check out the wire location for park lights .Same as pictured one. Also included 67-68 pic for comparison of light hole.
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11-13-2004, 10:16 PM
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#6 |
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Watch out for your cornhole !
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Look at the two pictures you posted and the one he posted. The 69-72 have a raised bucket for the headlight spotwelded to the core support. The 67-68 does not have that bucket, the headlight assy bolts right to the support on the earlier trucks.
His support doesn't have the raised buckets spot welded to it, so it must be a 67-68. Also, his support has the row of threaded holes along the bottom for the 67-68 splash apron, that the 69 and newer trucks don't use.
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I'm on the Instagram- @Gearhead_Kevin Last edited by Tx Firefighter; 11-29-2004 at 10:58 PM. |
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11-13-2004, 10:35 PM
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#7 |
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Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,684
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I agree with my brother fireman. My original 68 rad support, and the Goodmark replacement both have stamped headlight buckets, and my 70 has them spot welded on.
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Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
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11-13-2004, 10:45 PM
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#8 |
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Registered User
Join Date: Sep 2004
Location: rochester NY
Posts: 777
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Any body try to swap one
Any one ever try to make a 72 core support work with an older 67-68 front end .
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11-13-2004, 11:00 PM
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#9 |
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Registered User
Join Date: Jun 2003
Location: Beaumont, Tx
Posts: 281
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Ok, im assuming the majority think the core support is for 67-68. The guy selling it says it came off of a 68 which is what im looking for. Just wanted to make sure before I purchased it. Thanks for all the replies.
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11-13-2004, 11:07 PM
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#10 |
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Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,684
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What is the difference between the two as far as mounting to the frame?
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Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
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11-13-2004, 11:17 PM
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#11 |
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Senior Member
Join Date: Aug 2003
Location: Conyers,Ga.
Posts: 7,288
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C Support
The headlight holes are in different locations, so you cannot interchange. You can however take the headlight buckets off a GMC and use on a 67/68,but you will have to put in the square holes for the headlight adj. and you won't have the bolt holes at the bottom for the splash pan, unless it is a 67/68 Gmc core.
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11-13-2004, 11:35 PM
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#12 |
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Registered User
Join Date: Feb 2001
Location: Lake Stevens,WA 98258 North of Seattle
Posts: 833
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I changed a 72 GMC core support to a 67/68 chev. Pain in the booty and I can't say that it turned out very well either. I would not recomend it and will never do it again.
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Marysville, WA (Dan72cst@hotmail.com) 72 4wd Blazer CST 350/350 72 4wd Chevy LWB 350/350 68 2wd Chevy LWB 327/400 |
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11-14-2004, 12:04 AM
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#13 |
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Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,684
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OK, but what about physically bolting them to the frame? I am rebuilding my 68 onto a 72 frame.
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Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
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11-14-2004, 01:27 AM
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#14 |
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Registered User
Join Date: May 2000
Location: Storm Lake, Ia
Posts: 1,449
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Sorry firefighter I always went by the wiring holes guess I won't do that again!!
Darn and I was saving my first mistake for later in the year!!!
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11-14-2004, 02:21 AM
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#15 |
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Registered User
Join Date: Feb 2001
Location: Lake Stevens,WA 98258 North of Seattle
Posts: 833
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glock35ipsc,
I seem to remember hearing that they used a different mounting bushing to the frame. One type used a thick bushing and the other type used a thin bushing, but would interchange as long as you had the correct bushing for that core support????????? But I don't know for sure. I'm sure somebody on this board knows.
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Marysville, WA (Dan72cst@hotmail.com) 72 4wd Blazer CST 350/350 72 4wd Chevy LWB 350/350 68 2wd Chevy LWB 327/400 |
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11-14-2004, 08:09 AM
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#16 |
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Watch out for your cornhole !
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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I've done the early clip onto later truck swap before. I used the 72 model type of core support bushings and it was good to go.
The bushings have to match your frame.
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I'm on the Instagram- @Gearhead_Kevin |
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11-14-2004, 11:43 AM
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#17 |
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Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,684
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Cool, so the core support mounts that came with my body mount kit are supposed to fit 69-72, and if the body kit was to be used on a 67-68 another core support kit was needed. So I can use the core support bushings that came with the kit, and send the 67-68 core support kit back?
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Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
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11-14-2004, 12:21 PM
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#18 | |
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Registered User
Join Date: Jun 2003
Location: Mtn. Home, Idaho
Posts: 906
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core support mounts
Quote:
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11-14-2004, 12:38 PM
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#19 | |
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Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,684
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Quote:
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Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
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