I need a bigger radiator....

[Slade Dean]

I put a 360sb in my dart.But i still have the 18inch radiator.I dont want to chop into the car.I know theres brackets for a bigger one.Just wandering if anybody has bought one...preferably an aluminum one.I see jegs has universal ones but,i dont think they will line up...Any info will help...Thanks

 

[demon seed]

Hey Slade Dean, I'm running an 18" MP rad on my Demon and after some arranging it has no problem keeping a 383 on steroids cool. Start out with a 3 core rad, 7 blade fan, shroud, if required a high volume water pump.

If you looking at a new rad I've heard good things about these guys http://www.usradiator.com/default.htm

Terry

 

[Slade Dean]

Thanks,Demon......now if i can just get my headers on....

 

[71Duster]

Demon where did you get the 7 blade fan? Will if fit the viscous fan clutch?

As long as I am moving my car is great but idleing in traffic on a hot day the temp will climb a bit. Hvae the 7 blade water pump, 180deg Mr. Gasket t-stat and water wetter the stock rad was cleaned and checked as well.

 

[CudaChick1968]

I bought a nice crossflow aluminum radiator from SpeedwayMotors.com for under $200. No problem keeping the 340 cool even idling in traffic. Had to fab up some mounts for it but it fit just fine. (I can get measurements if you want them.)

 

[70Duster440]

Interesting topic. I'm considering my options right now too.

Very early in my project I decided to go with a copper radiator from US Radiator. The only 22" they had for Big Blocks was one intended for '67-'69Darts. It's three row with a 2" thick core (#35455). They're made to order and it takes several weeks. The first one they sent was not what I ordered (probably someone elses) so I had to send it back and wait a few more weeks. Not a big deal, only because I wasn't in a hurry. Photo below.

With a 440 it's marginal for cooling. With clutch fan/shroud or big electric and hi-flo stat the results are about the same. With a 383 it might be fine. And with a 360, probably more than adequate - maybe even without a shroud. Would bolt right in Slades Dart, though, I don't know if the in/out's are on the correct side. Course, US Radiator sells units intended for SB's too and I think they were under $300.

Though they're relatively inexpensive I've decided against trying a universal crossflow for a few reasons - mostly preference. Even the "direct fit" crossflow units available cut into space currently occupied by other things on the 22" core support. So, I'm looking at aluminum (true) bolt-ins from either Wizard Cooling or Smiths Radiator.