BBC Rad. Straight swap? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

AceX · 01-05-2010, 05:39 AM

I'm looking at upgrading my radiator in the near future and was looking at LMC's measurements and it seems that a rad for a 454 BBC would fit, it's just thicker. Anyone know if this is a pretty straight forward swap? Can I just swap radiators and the top "cover" and fan shroud and be ok?

andrewmp6 · 01-05-2010, 06:05 AM

The bbc one should bolt in but most big block guys run the diesel radiator its the biggest.

79gmcc15 · 01-05-2010, 06:07 AM

I would think so. Bbc did come on these trucks, and as far as I know the core support is the same regardless of motor. I think that there might be a different mounting on the bottom of rad., along with what else you posted.

Oh, yeah, might need new hoses and re-adjust trans lines.

Tex_50613 · 01-05-2010, 06:31 AM

you'll also need the lower rubber mounts for the thicker radiator the BB radiator should be a 4 core which the 400 sbc also ran the radiator hoses should be ok as long as the port sizes on the radiator are the same as your current set up but you may have to adjust the trans lines

bigarmzz · 01-05-2010, 09:15 AM

Quote:

Originally Posted by AceX

I'm looking at upgrading my radiator in the near future and was looking at LMC's measurements and it seems that a rad for a 454 BBC would fit, it's just thicker. Anyone know if this is a pretty straight forward swap? Can I just swap radiators and the top "cover" and fan shroud and be ok?

here, check out my old post for the part numbers for the 4 core conversion...the prices have changed, but the part numbers are the same...post number 11

http://67-72chevytrucks.com/vboard/s...66#post1839766

68 TT · 01-05-2010, 09:48 AM

Quote:

Originally Posted by bigarmzz

here, check out my old post for the part numbers for the 4 core conversion...the prices have changed, but the part numbers are the same...post number 11

http://67-72chevytrucks.com/vboard/s...66#post1839766

I just tried the link in post #11 and the web site doesn't exist. Did they go out of business or change their name??

bigarmzz · 01-05-2010, 11:38 AM

Quote:

Originally Posted by 68 TT

I just tried the link in post #11 and the web site doesn't exist. Did they go out of business or change their name??

oh yeah, i forgot about that, they changed there name to www.classicparts.com

but those are the parts you need to do the conversion...save your money and dont buy the radiator from them, its like $250 or something, just get it from autozone, it was and still is, only around $160 or so, and if you know someone there, you can always get a discount

01-05-2010, 06:05 AM	#2
andrewmp6 Registered User Join Date: Jan 2009 Location: Louisville,Ky Posts: 5,811	Re: BBC Rad. Straight swap? The bbc one should bolt in but most big block guys run the diesel radiator its the biggest.

01-05-2010, 06:07 AM	#3
79gmcc15 Gettin It One Pice At A Time Join Date: Oct 2004 Location: everett, washington Posts: 2,688	Re: BBC Rad. Straight swap? I would think so. Bbc did come on these trucks, and as far as I know the core support is the same regardless of motor. I think that there might be a different mounting on the bottom of rad., along with what else you posted. Oh, yeah, might need new hoses and re-adjust trans lines. __________________ RIP ELJAY Work In Progress 1979 GMC C1500 Trailering Special. Getting the truck done, one piece at a time. “You can tell a lot about a fellow’s character by his way of eating jellybeans.”Ronald Reagan “I don’t know the key to success but I know the key to failure is trying to please everybody.” Bill Cosby Last edited by 79gmcc15; 01-05-2010 at 06:10 AM.

01-05-2010, 06:31 AM	#4
Tex_50613 Redneck Customs Bumpers, IA Join Date: Nov 2009 Location: Waterloo, IA Posts: 503	Re: BBC Rad. Straight swap? you'll also need the lower rubber mounts for the thicker radiator the BB radiator should be a 4 core which the 400 sbc also ran the radiator hoses should be ok as long as the port sizes on the radiator are the same as your current set up but you may have to adjust the trans lines

01-05-2010, 05:39 AM	#1
AceX >130dB Moderator Join Date: Aug 2006 Location: Sacramento, CA Posts: 2,130	BBC Rad. Straight swap? I'm looking at upgrading my radiator in the near future and was looking at LMC's measurements and it seems that a rad for a 454 BBC would fit, it's just thicker. Anyone know if this is a pretty straight forward swap? Can I just swap radiators and the top "cover" and fan shroud and be ok? __________________ Living Life @ 130dB LED Tail Light Conversion; How-to Friend. Father. Brother. RIP El Jay ------------------------------------------------------------------------------------------------------------------------- CLICK HERE and for less than $0.07 a day, you too can help support and build a better forum.



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