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Old 10-25-2011, 01:40 PM   #15
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Awesome Buttercup, thanks.

I will have to pull the radiator out of mine soon..
Will need to replace the Air pump, as it is missing for smog testing.
I also have a leak from the Power steering pipes somewhere, and I was looking at the radiator, and see a stain in one corner, so am thinking I may need to replace it.

As I am planning a standalone 30,000lb GVRW Transmission cooler with a fan, and stand alone Engine Oil Cooler, and a Power steering cooler too.
I will likely replace the radiator with a "Universal Aluminum" Radiator, which I hope will cool better, and see can be had for less than $200, both locally and off Ebay. As I live in California, and will be traveling the warmer states, I like the idea of seperating the load and risk of mixing oil and water... I have seen a radiator transmission cooler go bad, and it was UGLY expensive!
My A/C is pressurized(but maybe not enough), but someone clipped off the Compressor clutch power feed, so something is wrong...

Please keep up the great work, and great pictures that document your progress!
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Old 10-26-2011, 07:06 PM   #16
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Well, the Radiator shop called and said it would be $340 for a new core plus another $99 to take my old ends off and put them on the new core - so, about $450 give or take for my new old radiator.
Now, on the topic of thermostats, I picked up a replacement at AutoZone because I was there getting some gasket goop. They had 3 to choose from. One of them was a "fault-proof" unit that if the engine temperature gets too high, this baby fails open permanently to allow 100% flow all the time. For some reason, This seemed like a gimmick to me. I have never heard of a thermostat failing closed, thereby boiling an engine. I decided not to get that unit and opted for a standard thermostat.
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Old 10-26-2011, 07:38 PM   #17
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The starting position of any Thermostat would be closed, so if it fails, it normally fails closed... seems odd, that that Thermostat, would failsafe fail open... which would mean it would be in fail mode, and move to the opposite side of its normal fail position...
I have seen the fail closed happen this year, so it does happen... My GF's Range Rover did it... I was dreading it being a Headgasket, as as soon as it warmed up, it would overheat, and boil over, but it was the Thermostat that failed.

Thats a lot of $$ for a radiator... especially when its a GM style...
Take a look at LMC's radiators for Pickup trucks... might be the same?
Radiators - 454 CID V8 Engine | 1973-87 Chevrolet Pickup Truck 1973-87 GMC Pickup Truck | LMC Truck
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Old 10-26-2011, 08:46 PM   #18
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That thermostat had some sort of clip in it that would block it open only if the thermostat detected an excessive temperature. so, in your case, if it failed closed in the first place, it will never open so it will not work - it was a gimmick as far as I can see.
As for the core, $300 is a lot in the first place to me but what am I going to do. I actually need this thing in my hot little hands by Friday so that I have enough time to put it in before we go to Death Valley in a week+. I think the price is high but it isn't too bad.
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Old 10-26-2011, 09:26 PM   #19
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Cool!
Wow, Death Valley... LOVE that place!
If you have a Toad, or access to a "HighGround Clearance" vehicle, make sure you go to the Race Track... Worth the effort!
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Old 10-26-2011, 09:32 PM   #20
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Oh, let me tell you - we have been there - done that! We are actually volonteers there, Kimber is on the board of directors for the Death Valley Natural History Assn. We are participating in the upcoming History Conference in Beatty (Kimber is doing all of the collateral for that now). And I maintain the web site for the DVNHA also. If you do not know, the DVNHA runs the bookstore at the visitors center at Furnace Creek. Yea, we have Death Valley in out blood!
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Old 10-26-2011, 09:37 PM   #21
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Sweet!

Here is a good memory...
Teakettle junction... Thats my Father, who said it was one of the most memorable places he has been...
And lets not forget my "Old Faithfull '87 Burban" 454, 2wd, and 33' tires with a locker... my first "RV"!
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Old 10-26-2011, 10:25 PM   #22
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Very nice pic!!! Very nice! If you are interested, I can send you some info on the DVNHA.... (always looking for members).
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Old 10-26-2011, 10:32 PM   #23
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Steve, or Buttercup, any idea as to why the non-A/C radiator is $10 more on the LMC site? Makes me wonder if the non-A/C radiator has more cooling tubes or something? Any thoughts?
Thanks, Derek
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Old 10-26-2011, 10:40 PM   #24
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ummmm - not me. Mine is an external oil/AC cooler with fans in front. I have a 4 pass core and the tranny cooler is built in on the cold side header.
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Old 10-27-2011, 09:09 PM   #25
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Well, the new water pump is in and I have started to bolt things back together. I installed a new thermostat. Comparing the two, the old one did not have much of a bypass built in but the new one does have one with a nice little check valve brass rivet things.
You know - I spent a solid hour just trying to get one bolt in on the AC mount - it has a little spacer spool on it. That was one of the parts that mysteriously rained down to the ground when I was taking things apart. I also found a screw that by all looks has been stuck in the frameworks since the engine was built. It was rusted and had no shine on it that would have resulted from being manipulated with tools, etc... So I know of at least one part that I will have left over.
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Old 10-27-2011, 09:18 PM   #26
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My brother has a jet engine mechanic working on F111 engines in the Air Force and a 747 engine mechanic for a major airlines. He says all is good if you have left over parts!
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Old 10-27-2011, 09:29 PM   #27
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Yea - it's not like I will have a piston left sitting in a box when all is said and done - its a bolt for crying out loud!
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Old 10-27-2011, 10:57 PM   #28
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Yea - it's not like I will have a piston left sitting in a box when all is said and done - its a bolt for crying out loud!
Hi, just make sure that there are no empty bolt holes, those brackets need every bolt there was. And make sure you don't leave out any of the spacers, or your belts will be out of alignment. Once you put this all back together, you don't want to do it again.
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