I have a radiator support that I can use for my project '71, but it's totally surface rusted. I'd like to find a better one to start with. Is there a difference between AC and non-AC radiator supports? Between ones for 3 core (auto) or 4 core (auto) radiators? What modifications have to be done for a 4 core radiator to fit?
Thanks!

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Doug, Chevl71
Team Chevelle member #625
Gateway Area Chevelle Club member CM028

chevl71 homepage (http://www.chevl71.homestead.com/chevl71homepage.html)

They should be the same for A/C or non A/C. Year One states in there catalog that you can slightly bend the lower lip of the cradle to accept the heavy duty radiators.

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Dennis Jones TC Member#940 72 Malibu Project

The 3 or 4 Core Supports should be the same. The dirrecence is when you have A/C. A/C cars had a larger opening in the supports and also used 4 bolts to hold the top radiator plate on. For best cooling, get an A/C support and radiator regardless if you have A/C.

I believe a non-A/C support could also be cut open to reveal more radiator surface.

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JeffK ACES #01510
Team Chevelle Gold #72
496/Richmond 6-Speed
JeffK@chevelles.com
Jeff's Chevelle Page (http://www.72chevelle.com)

I take back my 1st reply. Jeffk is right. The opening on the A/C core is bigger. Evidently the one on my A/C car was replaced at one time w/a non A/C support. The repo I bought from Ground Up has the bigger opening. Sorry about that, Dennis

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Dennis Jones TC Member#940 72 Malibu Project

I just replaced my original radiator in my '71 SS with a 4-core and I had to notch the lower lip on the driver side so that the cushion would lay flat. I think deejay mentioned this, too.

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Stan Hanek
'71 SS - 454 4 sp.
http://www.chevelles.com/showroom/stan71ss_1.jpg
http://www.chevelles.com/showroom/stan71ss_motor.jpg