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Classic v6 GMC's

03-28-2017 09:04 PM

Original Upper Radiator Pipes

5 Attachment(s)

I was wondering if anyone has any info on upper radiator pipes.
The black was removed from our 66 chevy with 283.
The others were removed from 63-66 but might not be correct.
Any information on the different pipes would be appreciated.

Robert Haas

03-29-2017 09:53 AM

Re: Original Upper Radiator Pipes

Those look like they were made with a muffler shop bender.

The Rocknrod

03-29-2017 10:32 AM

Re: Original Upper Radiator Pipes

I'm thinking back in the day the term "mandrel bent" wasn't invented yet.

60-66

03-29-2017 11:21 AM

Re: Original Upper Radiator Pipes

The black one is correct 1963-1966 Part number 3826373 with 283 series 10-30 ( Exc A.I.R. ). The two short ones ( I think ? ) are part number 3889196 which is 1966 283 WITH A.I.R. . Theres one more specific to 1965 and 1966 327 10-30 series 3868549 . A.I.R. being Air Injection Reactor or Smog pump , not AIR Conditioning. I don't think I have that one but all 3 have different bends and lengths. Im thinking the 65 66 327 has to do with the 4 core radiator ? I'll see if I can post a picture of all three later.

60-66

03-29-2017 11:26 AM

Re: Original Upper Radiator Pipes

Didnt you part out a C60 or big truck ? That could be another one with a different bend. None of the numbers I posted are for medium or larger trucks

VictoriaHardware

03-29-2017 11:45 AM

Re: Original Upper Radiator Pipes

Quote:

Originally Posted by 60-66 (Post 7900017)

Im thinking the 65 66 327 has to do with the 4 core radiator ?

Are the header tanks for a 4-core different than a 3?

60-66

03-29-2017 11:54 AM

Re: Original Upper Radiator Pipes

Just that its thicker , might also have to do with the raised water neck or a combination of both
.

Classic v6 GMC's

03-29-2017 12:43 PM

Re: Original Upper Radiator Pipes

Quote:

Originally Posted by 60-66 (Post 7900017)

We did have a 65 with 327 so that might be one of the short ones.

Classic v6 GMC's

03-29-2017 12:59 PM

Re: Original Upper Radiator Pipes

Quote:

Originally Posted by 60-66 (Post 7900026)

Didnt you part out a C60 or big truck ? That could be another one with a different bend. None of the numbers I posted are for medium or larger trucks

We did have a c60 so maybe one of them is from it.

65chevysub

03-29-2017 01:35 PM

Re: Original Upper Radiator Pipes

I have an aftermarket one for my 283 but have to have it modified as it is right up against the radiator inlet so can't get the rubber hose on it. Since no one makes the pre formed rubber hoses for these engines, I'm going to put the metal one on.

60-66

03-29-2017 07:36 PM

Re: Original Upper Radiator Pipes

Quote:

Originally Posted by Classic v6 GMC's (Post 7900103)

We did have a 65 with 327 so that might be one of the short ones.

Are those two short ones exactly the same ? If we could get Yelmer to chime in Im sure he has some 327 info on these.

Classic v6 GMC's

03-29-2017 09:32 PM

Re: Original Upper Radiator Pipes

Quote:

Originally Posted by 60-66 (Post 7900514)

Are those two short ones exactly the same ? If we could get Yelmer to chime in Im sure he has some 327 info on these.

No, the top pipe in the first picture has a bigger end on the left side and the bends are a little different.

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