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  #1  
Old 05-21-2005, 02:35 AM
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Default COPO Chevelle radiator

What is the correct radiator set up....3-core or 4-core? tank codes etc. I have a used Harrison radiator I bought for the tanks..is a three core out of a 69 wagon. Not sure of the tanks codes but will check later. Thanks

ALbert
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1969 9566AA COPO Chevelle M-22
1969 Malibu 489 ZL-1 T-56/4.56
1969 Beaumont 540 th400 3.70
1969 Chevelle 300 Deluxe 427 ZL-1 M 22W
1970 Olds 442 W 30 2 door post
1969 Ply. GTX 426 hemi auto. Blue.
1940 Dodge pick up Durango 4X4
1968 Camaro ragtop LSA ZL1
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  #2  
Old 05-23-2005, 07:02 AM
micky69396 micky69396 is offline
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Default Re: COPO Chevelle radiator

A BO code radiator is what I have had in the 4 speed COPOs we have had in.
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Old 05-25-2005, 09:34 PM
Keith Tedford Keith Tedford is offline
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Default Re: COPO Chevelle radiator

Our 4 speed car also came with the BO rad.
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Old 05-26-2005, 02:00 AM
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Default Re: COPO Chevelle radiator

Thanks guys...but is it a 4 or 3 core? I'll have a Harrison rad when I'm done but it may not have the correct code. Would be a difficult piece to find...the correct code tanks. Thanks

Albert
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1969 9566AA COPO Chevelle M-22
1969 Malibu 489 ZL-1 T-56/4.56
1969 Beaumont 540 th400 3.70
1969 Chevelle 300 Deluxe 427 ZL-1 M 22W
1970 Olds 442 W 30 2 door post
1969 Ply. GTX 426 hemi auto. Blue.
1940 Dodge pick up Durango 4X4
1968 Camaro ragtop LSA ZL1
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Old 05-26-2005, 07:41 AM
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Default Re: COPO Chevelle radiator

The BO & BQ 1969 radiator is a 3 core.
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Old 05-26-2005, 02:43 PM
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Default Re: COPO Chevelle radiator

Thank you Rick

ALbert
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1969 9566AA COPO Chevelle M-22
1969 Malibu 489 ZL-1 T-56/4.56
1969 Beaumont 540 th400 3.70
1969 Chevelle 300 Deluxe 427 ZL-1 M 22W
1970 Olds 442 W 30 2 door post
1969 Ply. GTX 426 hemi auto. Blue.
1940 Dodge pick up Durango 4X4
1968 Camaro ragtop LSA ZL1
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  #7  
Old 01-06-2016, 10:33 PM
L78M22Rag L78M22Rag is offline
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Default Re: COPO Chevelle radiator

Would a 3-core radiator also be correct for a TH400 automatic COPO Chevelle, and what markings and/or codes would be correct?

Tanks a-lot!
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Old 01-06-2016, 10:46 PM
Postsedan Postsedan is offline
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Default Re: COPO Chevelle radiator

Wow...an old thread.

Correct Helmut.

The 4 core Heavy Duty Radiator was used with either a 4 Speed or T400 with A/C.

Dan
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Old 01-07-2016, 09:58 PM
L78M22Rag L78M22Rag is offline
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Default Re: COPO Chevelle radiator

Thanks Dan.

What would be the correct codes on the tag?
Are there any specific identifying marks that the tanks should have?

Tanks again
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  #10  
Old 01-07-2016, 10:57 PM
wheelhop wheelhop is offline
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Default Re: COPO Chevelle radiator

I don't believe there was ever a 4 core radiator in 1969. It started in 1970, hence the welded tab on the radiator top plate and the core support underneath to allow for the larger tank.
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