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Cofured on overheating problem |
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Nobodyjeff5888 
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Joined: 27 Mar. 2016 Location: Pennsylvania Status: Offline Points: 880 |
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 Topic: Cofured on overheating problemPosted: 20 July 2017 at 2:39pm |
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After getting carb rebuilt and tuned up. Noticed she was overheating on first long test run. Antifreeze full on inspection. Although it was a new thermostat I remove it. Another twst run same result. Has been down since cold weather for repairs. Didnt overheat back then. Giing to pressure wash out radiator exterior and check for circulation. Any other ideas?
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TERRY
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Sponsor Member Joined: 22 May 2007 Location: BOULDER COLORADO Status: Online Points: 3400 |
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Posted: 20 July 2017 at 3:17pm |
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Put in a 160 degree tstat, make sure there is not a vacuum leak at the carb mounting gasket, make sure timing is correct.
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BOULDER 48 2A
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Nobodyjeff5888
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Posted: 20 July 2017 at 6:06pm |
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definitely no vac leak. Just did Scoutpilot sweet spot tune up.
Removed thermostat that was new and she still overheated. When cool opened dad cap and you can see antifreeze flowing but kinda slow. So thinking a trip to the red shop for a boil out and pressure test is in order.
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RICKG
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Joined: 08 Jan. 2015 Location: so idaho Status: Offline Points: 1941 |
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Posted: 20 July 2017 at 6:51pm |
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Physical steam blowout overheat? Sure it's not a faulty temp gage?
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I never met a mule I didn't like!
MC51986 "OD MULE" DOD 01-52 '50 CJ3A "Bucksnort". Keep 'em Rollin' |
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Nobodyjeff5888
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Posted: 20 July 2017 at 8:37pm |
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started to steam out under radiator cap. Gonna try the presrone flush first. If that doesntvwork, I'll have the radiator boiled and pressure tested.
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RICKG
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Posted: 20 July 2017 at 9:09pm |
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Any shop can pressure test the cap..If it's blowing at less than 4lbs a new cap could be an easy cheap fix..
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I never met a mule I didn't like!
MC51986 "OD MULE" DOD 01-52 '50 CJ3A "Bucksnort". Keep 'em Rollin' |
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Nobodyjeff5888
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Posted: 29 July 2017 at 4:37pm |
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Did the red flush. Water flowed better but still heated to 180 without thermostat in. Pulled radiator and found lots of bent find and someone had painted the thing with a brush. Lots of clogged air passages. Ordered 3 row aluminum replacement. Should make a big difference.
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RICKG
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Posted: 29 July 2017 at 4:41pm |
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Which alum rad did you order Jeff?? I'm considering one for my 3A project..
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I never met a mule I didn't like!
MC51986 "OD MULE" DOD 01-52 '50 CJ3A "Bucksnort". Keep 'em Rollin' |
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Nobodyjeff5888
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Posted: 29 July 2017 at 5:44pm |
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bought mine from atc racing on ebay $132. Didnt know to look for onecwith a shroud. There another guy who got one with a shroud for $133 on a different post. Check him out . (Overheating) post
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RICKG
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Posted: 29 July 2017 at 6:01pm |
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I ask because I'm seeing 2 types.
Side mount but has top tube centered (no good) will not clear fan and shroud. Bottom mount had tubes in correct location but my 3A is set up foe sidemount. Jeff, if your orig rad has a shroud you should be able to remove it (6 sheet metal screws) and adapt it to your new rad.
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I never met a mule I didn't like!
MC51986 "OD MULE" DOD 01-52 '50 CJ3A "Bucksnort". Keep 'em Rollin' |
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Nobodyjeff5888
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Posted: 29 July 2017 at 6:15pm |
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Well it come down to cost! I got an OMIX-ADA 17101.01 with shroud for 133+-. on ebay. That's from the other guys post. I checked eBay. They want $600+ for that one. I'll look mine over and see if shroud is removable. Never th out of that. Thanks
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clayvt
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Posted: 29 July 2017 at 7:03pm |
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I also managed to get one of those omix radiators and my cooling problems have gone away. It will climb up to about 195 at a stop but once it hits that it'll go back down to 180.
Looks like summit racing has them for $212 |
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Nobodyjeff5888
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Posted: 29 July 2017 at 8:09pm |
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What thermostat are you running in your cj. I was running a 160.
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Nobodyjeff5888
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Posted: 29 July 2017 at 8:10pm |
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checked my radiator and found my shroud is welded to it. But I can use it for a pattern to fab up one
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1947-cj2a
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Posted: 29 July 2017 at 8:17pm |
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Hey Nobodyjeff5888
I'm the guy would told you about the 133 radiator with shroud on ebay. I've still have had some heating problems with it, but I started to modified it with a larger shroud that is made of four piece mounted to the existing shroud to make it deeper and tighter around the fan. So far I have two pieces made the top one and the driver side piece. I seems to be helping and but I won't know until how much until I get it done. sent me your email in a private pm and I will sent your some photos of what I'm doing. Rich
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RICH
1947 cj2a (Toy From Hell) |
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Nobodyjeff5888
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Posted: 29 July 2017 at 10:37pm |
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my email is nobodyjeff5888@yahoo.com. and thanks.
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