Sorry if i got a little off topic.

What I got out of the article (in the condensed version) is that you can change the OVERALL HEAT LOAD of the system by the suggested methods but you can't change the Delta Temperature across the radiator (~10°F). This is all of course in a perfect world...

Or maybe I'm misreading the article. (I already confessed I'm not a Thermal Engineer). At any rate I found it interesting and found other articles that state the same.

Just my opinion and it's worth just about how much you paid me for it… nothing.

"The Master Cylinder"

Enjoying life at the beach in SOCAL

That's a really good article, and explains some of the money I've thrown away over the years. Thanks.

But I think we're talking about a couple different things here. The OP was cooling at idle, and under 25 MPH. That's were I always had a heat problem. Cooling was fine, although for my car about 40 was needed to get the temp to fall. Hence, my feeling it was air flow, and that I handled the fan and shroud combination poorly, for low speed operation. I've seen cars with flaps on the shroud that blow open at speed, so the shroud doesn't become a restriction at high speed.

I really don't know if any of my cars cool under high output steady state operation. No hills that long and steep, and no racetrack time.

As to my 20 degree drop from top to bottom, I'm using an inexpensive infrared. It shows good repeat readings in given locations, but changing distance and angles may be affecting it. It's not laboratory grade equipment.



miker
55 bird, 32 cabrio F code
Kent, WA
Tucson, AZ

Good info here. It seems to me that a smaller water pump pulley would speed up the pump and cause increased flow. Bicycle riders can attest to that. A big chain ring and a small wheel sprocket equals a rear wheel that is spinning faster than a small chain ring and a big rear sprocket. Has anybody tried this?
http://www.ebay.com/itm/310599093957?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
Also, is there a big difference when using the fitting above instead of a plain Jane 3/8 NPT elbow? I'm wondering if the engineers at Ford went with this to help with a potential over heat concern

I think I have been hi-jack All I was trying to fine out is if anyone has used a Derale transimission cooler to lower engine coolent temp a few degrees on a95+ day with a/c on
jim

http://www.anfittingsdirect.com/product_info.php?products_id=1111

Kansas, I apologize for getting off track. Apparently what you're thinking about isn't unprecedented

thanks for info That's just what Im thinking about/ sense Im only needing to lower temp by 5 to 10 degrees when its 95+ and under 25 mph and a/c is on would this work better as a oil cooler or engine coolent? Derale makes a sandwich adapter that has a build in 180degree thermostatic that goes between oil filter and oil filter mount its only 1" thick Im not sure which way would work best/ or I could just turn the a/c off and listen to the wife talk about how hot it is or should I just stop worryng about 210-215 degrees

Yes! How often do you get caught and how long do you see 215 temps. If its not happening a lot I would probably not worry about it too much. Your question started a bit of an informational debate about cooling systems that I found to be quite interesting. Adding another core has long been a way to lower temps by adding to volume of coolant. The add on cooler you listed would also do that but I'm not sure how much. I would first try a decent electric fan with a temp controller. I've seen how fast my roadster temp settles down when the fan kicks on and its quite a bit. Good fan shrouding is also a plus. Hope you get it solved. Chuck

Y's guys rule!
Looking for McCullouch VS57 brackets and parts. Also looking for 28 Chrysler series 72 parts. And early Hemi parts.

MoonShadow, 292 w/McCulloch, 28 Chrysler Roadster, 354 Hemi)
Manchester, New Hampshire

high temps just about any summer sat afternoon in Kansas/We like to go to show that are a 100 miles or more from home so it is a problem/I talked to a tech at Derale this afternoon He said that if I don't have at lest a 15 degrees drop between top and bottom of rad Im flowing way to fast throw rad so Im going to try restrictive coolent flow through top of rad hose and is if that helps

Could always turn the radio up if the wife gets too loud.

Find yourself a water pump pulley that is a little smaller diameter than your current one. This is a trick used by car manufacturers back in the day on cars like big block Corvettes and in some a/c applications. It will speed up the water pump and the fan at the slow speeds where you are having trouble.
I put one from an early Mustang or Cougar on my 55 Tbird and it did the trick for me. I have done it on several other cars with good results as well. Just make sure the offset is the same so your belts will line up.

Pete