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Slow down there guys! The radiator he has is aluminum, he will need to find a shop that can weld aluminum, most of the radiator shops I have delt with over the years only work on copper units that they can solder.

I used to work for the company that was an OEM supplier to Chrysler/Ford/GM in the 60-80's and the factory t-stat was not a balanced flow unit. Also regarding the hole. If you take a look at where the valve seats against the body you will likely see a small divot in either the valve or the...

The small hole in the t-stat is to help trapped air to escape. Once you have the system purged it doesn't add enough flow to contribute to the cooling. I agree with the other posters you need to measure what the temperature actually is, the factory gauge is really only good as an idicator...

If the engine you are swapping in has the lower hose on the passenger side you can get a heavy duty stock replacement 22" radiator for a 72 Dart for about $150.

If you have a clogged radiator you should be able to just pass your hand over the surface of the core and feel cooler spots where it is plugged.

Freon is a Dupont trademarked name for refrigerants they manufacture. So if it's got Freon on the can then it's a Dupont product only. I would think the only difference in quality from manufacturer to manufacturer would be how well they control impurities in the material and I don't think that...

Neither the thermostatic or non thermostatic clutch fans lock up. The amount of viscous coupling varies in the themostatic clutch but it never fully locks up.

The difference between the thermostatic and non is the non has a fixed amount of slip where the thermostatic the slippage is variable by temp. Neither of them lock up. I pieced a system together for my car. Purchased a thermostatic clutch at the local parts store for about $40 and picked up a...

Put a tee in the port on the manifold and hook up both at the same point.

The the clutch fan in my car is a thermostatic unit that I got at the local parts store for about $40 and the fan was one I grabbed from the bone yard for a couple of bucks. It was from a GM product, I think it was a mid 80's Regal. The hub the fan mounts to is pretty universal between Mopar...

The non thermal clutch has a constant slippage rate where the thermal clutch can vary the slipage rate based on the temp of the air comig through the radiator. The thermal one should provide more power because it has more slipage when the air temp is lower where the non thermal has to be set...

You can buy a brand new one with a life time guarantee from Advance Auto for $209. I am running one of the Advance Auto Ready Radiators in my 68 Barracuda. It is a 22" 2 core heavy duty unit and with a stoutly built 360 I have no cooling issues at all. And with the life time guarantee I will...

Yep, I had to cut some off the end going into the radiator on mine.

If you have a late model water pump that has the lower hose on the passenger side a Heavy Duty-AC 318/340 radiator for a 72 Dart will drop write in, I got mine for bout $170 from Advance Auto. This is a 22" radiator and it cools my 360 in temps up to 100 degrees ambient idling in traffic. It...

No where in this thread did anyone say it didn't work! My original post was just to inform folks that aren't having a cooling issue that they won't see a lower temperature in their cooling system by adding water wetter.

I would contend that your cooling system is not working properly or is not up to the task of the modifications you have made to the engine. I have a 10.6:1 360 making approx. 370 HP that I drive 7-10k miles a year in all kinds of temperatures. It has a stock 22" heavy duty 2 row 318 AC /340...

If your cooling system is functioning properly you WILL NOT see any temperature drop with the water wetter products. The reason is the thermostat controls the water temperature and will maintain the temperature at it's control point. If you car has a tendancy to over heat the water wetter may...

I don't bother letting the folks at NAPA, Autozone or Advance Auto look up anything. I just go to there on line web page and look up what I need and go to the parts store with part number in hand.

Sure, you can get the clutch at your local parts store. They sell non thermal, thermal and heavy duty thermal. I believe I paid $45 for a heavy duty thermal unit.

I have approximately 1/2" between the front of the clutch and the radiator on my car. But the fan is mounted to the back of the clutch and the twist in the blades does not protrude beyond the front of the clutch making the clearance to the radiator more like 3/4"-1". There is just barely enough...

Why not just purchase a couple of bypass hoses and cut them up and use a coupling to connect them together?

Recoring it to three row is likely going to be over kill. My 360 can idle all day long in 90+ heat and the guage doesn't move with a stock 22" heavy duty two row. Also, \6 fan shourds seem to be more common in the junk yard. If you flip them upside down they fit fine on a 22" radiator. I have...

First off if you are using a 70's 360 then you need to purchase a radiator for a 70 or newer A-body. The later small block motors have the water pump on the passemger side. The heavy duty 22" radiator is readily available from most parts store. i got one from Advance Auto. You could go with...

Steve, the lower radiator hose connection will be on the drivers side, what John needs will be on the passemger side. John, you can get a new one for around $170 from Autozone or Advance Auto.

The heavy duty 318 AC / 340 radiator is a two core unit. I am using a Ready Rad / Modine unit from Advance Auto which is the 22" heavy duty radiator on my 360 (~370 HP) and the temperature stays constant whether it is 20 degrees or 100 degrees, shroud or no shroud, fixed fan or clutch fan.

You can save yourself a few bucks by grabbing a fan from the bone yard and buying a cluch at the local parts store for $30. All of the fans that mount on a clutch regardless of whether they are Mopar, GM or Ford use the same hub and bolt circle so just find one that is the proper OD. I am...

Sounds like some one had swapped in the heavy duty v8 radiator, the \6 radiator / light duty v8 was only 18" wide. That 22" unit is what I am using with my 360 and it keeps the temperature constant well up into 90 degree ambient temperatures.

I did the \6 to v8 swap in stages and wound up putting in a 72 Dart heavy duty V8 AC / 340 radiator until I was ready for the 360. The radiator is 22" wide and is a diret bolt in. The lower \6 radiator hose was a tight fit onto the radiator nipple but it will go on. Now i have the 360 in the...

My 360 makes approx. 370HP. I use a stock replacement water pump, stock replacement heavy duty / AC 22" radiator and a 180 t-stat with a thermostatic clutch fan & shroud. Hot, cold, highway and/or idling in traffic the guage moves up to the point the t-stat opens and it stays there. Can't see...

I have a 22" \6 shroud on my 360 and yes you have to mount it upside down. It fits fine like that.