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interesting point about the effect of the fans being backed off 3-4 inches. This is obviously how shrouds for crank driven mechanical fans work but I don’t think most aftermarket electric fan shrouds do this. The shroud that came with my Champion radiator was just sheet metal with holes for the...

Most electric fan designs these days have a built in shroud. When you fasten them to the radiator, they’re really only able to pull air straight through. Why do some people still run shrouds around this style of fan? It seems like it would only serve to impede airflow when the fans were off...

:D :D Please tell us that you didn't figure this out based on research. LOL.

Huh. I bought my Champion radiator based on positive reviews and so far, it has been fine though admittedly, my motor isn’t asking a lot of the cooling system yet. So I’m not sure how the radiator should have looked when cut open...seems normal to me but then again, I spend a very small...

My Champion radiator has the inlet and outlet in the right spots...but the extra thickness of the radiator seems to mess up the geometry a bit. The stock lower hose is kinked, even when trimmed to fit as closely as possible...I have been through two stock hoses ($15 each) trying to make this...

If you do decide to leave it out, SAVE EVRYTHING. I suspect you'll want to put it all back together this Fall when the nights start to get cool. When you do, I can confirm that the tubes were bent correctly on the NAPA unit that I bought last month. The same may not be true for the...

'73 Dart Sport, 318/no AC car...no idea how many A's share the same heater core but I suspect it's the same for many of them.

Lots of discussion here about how replacement heater cores frequently require modification to the firewall and/or the inlet/outlet pipes... well I decided to give NAPA a try nevertheless and it dropped in with almost no difficulty! I saw this as a rare opportunity to contribute to the...

Like an idiot, I relized after more frustration than I'd care to admit, that there are two more clips holding the box on, against the side of the foot well on the right hand side. I had to remove the sill plate and the plastic trim piece before I could barely get a screw driver in there to pop...

Bill, Thanks. I see that they have several choices but like burdar states, I have heard of others who buy the "correct" heater core only to find that the tubes are bent incorrectly. My plan now is to have Napa order one up and I'll bring my old one with me to compare before I take it...

Guys, Any tips on which heater cores fit and which don't?

Thanks, Trailbeast...I'm very encouraged by this. Thanks a million for writing that up. :glasses7: :cheers: Awesome!!!! Thanks :D

Spent a little bit of time armwrestling with my long-dead heatercore in my non-AC, '73 Dart Sport. It appears that it will put up a bit more of a fight than I had anticipated. has anyone done this job lately? How much disassembly did this require? Thanks for any tips! PS- will a...

Thanks, guys!! I'm looking at a 1973 LA 360 4bbl tomorrow...otherwise, I'll almost definitely end up with a 5.9 Magnum. I'd like to run a decent cam, eventually go to some high performance heads, etc...but I expect to keep it relatively mild...~350hp. I'd like to take it to the drag...

Is there any rule of thumb on the radiator size to horsepower ratio? I'm not sure if my radiator will be enough for my impeding motor swap and I'd appreciate any feedback. Back in the 1990s I bought an "upgrade" radiator for my 318 Dart with the anticipation of swapping in a 340 or a 360...