4 Row Radiator

by SSTOOLMAN Tue Jul 15, 2014 3:16 pm

Will a 70-72 Chevelle 4 row radiator bolt in to my 73 SS wit no modifications? I got a chance at a nice one for cheap.

by chevellelaguna Tue Jul 15, 2014 7:44 pm

Only way to know for sure is if you could measure the one from the 70-72. I'm sure you can "make" it fit.... But without modifying something? Who knows. Depends on if the rad from the G2 was for a big block or small block application. The rad will fit in your rad support, you may have to relocate the lower and upper rubber isolaters, depending on width.
By the way, a two core aluminum rad will outcool a 3 or 4 core copper rad anyday, all day long.

by SSTOOLMAN Tue Jul 15, 2014 9:24 pm

Its only $30 so i can't go wrong unless its to tall, alum work great, no doubt, for now I want to stay with the stock look.
I am headed to Meltdown Drags vintage drag meet this Saturday at Byron Dragway in upper IL
Hope to see some G3's but they are far and few between in these parts. pale

by chevellelaguna Tue Jul 15, 2014 9:43 pm

30 bucks can't go wrong, unless it's an oooold one and partially blocked , run the garden hose thru it to flush it out before you install it. I can't say for sure if they're too tall or not. Mine is a 3 core copper and it's 18 3/4" tall from the top of the tank to the bottom of the tank 34" overall and 29"wide where the tank rests on the lower saddles

by Limey SE Wed Jul 16, 2014 1:35 am

IIRC it has to be 31 x 19 to fit maximum anything else bigger wont fit with out mods

by Limey SE Wed Jul 16, 2014 1:37 am

And come see me I am only about 2o minutes from there to the west

by Joe73 Wed Jul 16, 2014 7:24 am

I have a 4 row rad from a 500 ci. caddy. Bolts right in with no mods. Been in there since '85. I will be going aluminum with the new build.

38 1/4 wider overall
18 1/2" tall tank
28 1/2" core

by SSTOOLMAN Wed Jul 16, 2014 9:57 am

Limey wrote:And come see me I am only about 2o minutes from there to the west

I am running with a couple of friends in a blue 59 Apache and a yellow 64 galaxy 500 we are putting them in the show so I wont be able to get away. how about you coming to the show?

by Limey SE Wed Jul 16, 2014 11:17 am

I could try but the SE is still in op right now ..... still having issues with trying to get motor to rotate, I hope its not frozen up from not being driven .

by Joe73 Wed Jul 16, 2014 1:42 pm

Limey wrote:I could try but the SE is still in op right now ..... still having issues with trying to get motor to rotate, I hope its not frozen up from not being driven .

Ant, grab some "PB Blaster" at walmart. Its by the fuel injection cleaners and such. Take out all the plugs and shoot some PB in each cylinder. Do it a couple times a day for about 3 days. Then drop your flywheel cover and borrow a free flywheel turning tool. And give it a shot .

Good luck with it.

by 77mali Wed Jul 16, 2014 5:57 pm

I agree w/ Joe but before you do that try just taking out the plugs to rotate via the harmonic balancer bolt with a 1/2" drive (at least) breaker bar & socket, if you already haven't tried that. You need something kind of long to help turn that crank, like 18" or 24"- They're cheap & pretty good quality @ harbor freight. Loosen up your alternator too to release belt tensions & you might have to remove your fan for easy access & rotation. Usually they won't freeze up from just sitting around unless it's been a really, really long time.

by pila Wed Jul 16, 2014 11:14 pm

Maybe you have a starter problem ? Did any water get into the intake while it sat around ?

I have a 3-row aluminum type in my Elco. Haven't finished the painting the body etc , but while running it for cam break-in etc, it runs 175 degrees while cooling the 507 inch Caddy engine. I had it running today, since it hasn't been run since last winter.

4 Row Radiator P1010860_zps2eeb5a2e

by Joe73 Thu Jul 17, 2014 12:51 am

Your 3 row fit with the stock shroud? Would you know what brand and maybe model of rad you have?

by pila Thu Jul 17, 2014 10:29 pm

It's a Champion that I bought off of Ebay. A few different places were selling those. Just barely fits in the core support, so it's as big as can be mounted there...

by Joe73 Fri Jul 18, 2014 7:12 am

And the stock shroud fits with it? Is the rad universal or for our G bodies?

Thanks again.

by dynchel Fri Jul 18, 2014 3:07 pm

Joe73 wrote:And the stock shroud fits with it? Is the rad universal or for our G bodies?

Thanks again.

I think you mean A bodys... Very Happy

by Joe73 Fri Jul 18, 2014 4:24 pm

dynchel wrote:
Joe73 wrote:And the stock shroud fits with it? Is the rad universal or for our G bodies?

Thanks again.

I think you mean A bodys...

LOL Yes, I mean our A-bodys. Watching too much "street outlaws". I like that G body 442.

by dynchel Fri Jul 18, 2014 4:35 pm

I'm torn between the '71 Monte Carlo (doc) and the '71 camaro. (Monza)

by Joe73 Fri Jul 18, 2014 4:38 pm

Yes, I love that 71 camaro as well. I love Docs monte but he has to do something to get the power to the pavement.

by pila Fri Jul 18, 2014 7:49 pm

I believe it was made to fit '73 thru '77 A bodies....

I wanted an aluminum type to reduce weight on the front end, since the Caddy is about 110 lbs heavier than a SBC engine....

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