Radiator Assistance - The 1947 - Present Chevrolet & GMC Truck Message Board Network

VanceH · 07-28-2009, 10:49 AM

Working on a 67 c10, had a 283 replaced with 350 out of a 1968. Went to use the 68 fan shroud and it wont fit?? 67 never had one. The 68 is stock as far as i can tell. So i grabed the 68 rad, and it is to long for the bottom rad support? Is there a differance in the 68 and 67 radiator support??

VanceH · 07-28-2009, 11:10 AM

Ok checking it further, there seems to be two sets of holes for the radiator on the passenger side. What is the differance? 67 is a 1/2 ton 68 is a 3/4 ton?

**Palf70Step** · 07-28-2009, 11:29 AM

The size of the raditor differs with the engine & options. I know my standard 2 core shroud does not fit my 4 core replacement radiator. I had to find a shoud from a HD or 3/4 core radiator. That may be the difference you are seeing. I am not sure or aware of a difference between years.

**CPNE** · 07-28-2009, 11:35 AM

I6 (narrow) vs V8 (Wider). That is why 2 set of mount holes on one side of core support

VanceH · 07-28-2009, 11:41 AM

ok that makes sence since the 67 had a v-6 originally. So with a 350 should you use the bigger rad? And can you get the bottom rad supports, and just change it over the next holes?

Thanks for the input

**CPNE** · 07-28-2009, 11:54 AM

Drill out the rivet and move it over and bolt back in. I just did this on a 67 rad support that was originally and I6 and is now cooling a big block 402 with a 4 core radiator. Note, I had to "modify" (read hack

)the lower supports for the 4 core and locate some 4 core upper hold downs since the originals were designed for the narrower 2 core

VanceH · 07-28-2009, 11:56 AM

Sweet thats what i am going to do!!! So many little changes on these darn things almost makes me crazy

07-28-2009, 10:49 AM	#1
VanceH Loving the Jimmster Join Date: Jun 2008 Location: Emmett, idaho Posts: 575	Radiator Assistance Working on a 67 c10, had a 283 replaced with 350 out of a 1968. Went to use the 68 fan shroud and it wont fit?? 67 never had one. The 68 is stock as far as i can tell. So i grabed the 68 rad, and it is to long for the bottom rad support? Is there a differance in the 68 and 67 radiator support??

07-28-2009, 11:10 AM	#2
VanceH Loving the Jimmster Join Date: Jun 2008 Location: Emmett, idaho Posts: 575	Re: Radiator Assistance Ok checking it further, there seems to be two sets of holes for the radiator on the passenger side. What is the differance? 67 is a 1/2 ton 68 is a 3/4 ton?

07-28-2009, 11:29 AM	#3
Palf70Step State of Confusion! Join Date: Jul 2002 Location: Gulfport, MS USA Posts: 46,894	Re: Radiator Assistance The size of the raditor differs with the engine & options. I know my standard 2 core shroud does not fit my 4 core replacement radiator. I had to find a shoud from a HD or 3/4 core radiator. That may be the difference you are seeing. I am not sure or aware of a difference between years. __________________ Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God!

07-28-2009, 11:35 AM	#4
CPNE Resident Curmudgeon Join Date: Dec 1999 Location: NH Posts: 6,664	Re: Radiator Assistance I6 (narrow) vs V8 (Wider). That is why 2 set of mount holes on one side of core support __________________ Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter Maybe I need to sell some of this crap Yet another Bozo with a sawz-all

07-28-2009, 11:41 AM	#5
VanceH Loving the Jimmster Join Date: Jun 2008 Location: Emmett, idaho Posts: 575	Re: Radiator Assistance ok that makes sence since the 67 had a v-6 originally. So with a 350 should you use the bigger rad? And can you get the bottom rad supports, and just change it over the next holes? Thanks for the input

07-28-2009, 11:54 AM	#6
CPNE Resident Curmudgeon Join Date: Dec 1999 Location: NH Posts: 6,664	Re: Radiator Assistance Drill out the rivet and move it over and bolt back in. I just did this on a 67 rad support that was originally and I6 and is now cooling a big block 402 with a 4 core radiator. Note, I had to "modify" (read hack )the lower supports for the 4 core and locate some 4 core upper hold downs since the originals were designed for the narrower 2 core __________________ Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter Maybe I need to sell some of this crap Yet another Bozo with a sawz-all Last edited by CPNE; 07-28-2009 at 11:55 AM.

07-28-2009, 11:56 AM	#7
VanceH Loving the Jimmster Join Date: Jun 2008 Location: Emmett, idaho Posts: 575	Re: Radiator Assistance Sweet thats what i am going to do!!! So many little changes on these darn things almost makes me crazy



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