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Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: OzHemi] #998828 05/24/11 09:15 AM 05/24/11 09:15 AM
Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio Challenger 1 Too Many Posts
Challenger 1 Too Many Posts Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio	Quote: Quote: Lean... Or timing ? These 2 guys are right, it's the tune up, I'd bet a weeks pay on it. You don't need to modifiy the cooling system, you need to run the right tuneup, I'm sure.

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: WyleECoyote] #998829 05/24/11 09:23 AM 05/24/11 09:23 AM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	there is no hot honey to b seen . Over 350 hits and if you're not in advertizing you've missed your calling . Just imagine what you could do in the real world live every 24 hour block of time like it's your last day on earth

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: Challenger 1] #998830 05/24/11 09:39 AM 05/24/11 09:39 AM
Joined: Sep 2009 Posts: 1,377 Tennessee WyleECoyote OP pro stock
WyleECoyote OP pro stock Joined: Sep 2009 Posts: 1,377 Tennessee	Quote: You don't need to modifiy the cooling system, you need to run the right tuneup, I'm sure. I will check the timing - but I don't see why it would be different than when I drove the 1,000 mile trip to St. Louis. Stranger things happen - maybe the timing chain is stretching and changed the timing?? Regardless - I'll check it. Thank you.

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: WyleECoyote] #998831 05/24/11 09:50 AM 05/24/11 09:50 AM
Joined: Oct 2004 Posts: 601 Clintwood VA johnedod mopar
johnedod mopar Joined: Oct 2004 Posts: 601 Clintwood VA	Take your digital thermometer and get another vehicle up to operating temp. and take readings at the same places you did on your car. Preferably at the same outside temp as on the day you checked your car. That way you'll have something to compare to. Is it puking any coolant? Johnedod 68 Road Runner 71 Road Runner 78 Power Wagon

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: WyleECoyote] #998832 05/24/11 09:56 AM 05/24/11 09:56 AM
Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio Challenger 1 Too Many Posts
Challenger 1 Too Many Posts Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio	Just as long as you checked the other stuff the guys above suggested, then I'd be sure it's either lean or needs more intial timing, probably both.

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: Challenger 1] #998833 05/24/11 10:17 AM 05/24/11 10:17 AM
Joined: Aug 2003 Posts: 8,828 Houston, Tx hemi68charger master
hemi68charger master Joined: Aug 2003 Posts: 8,828 Houston, Tx	I had problems once with my '69 C500. Turned out to be the temperature sending unit. Along with the laser thermometer, I would try the old fashion boiling/cooking thermometer with the round dial that goes up to at least 400. take off the radiator cap and let her idle until the thermostat opens. Look at the thermometer and then your temp gauge. This could be one test. Also, if your connection on the bulkhead connector is bad/weak, it'll effect your readings. After all, the gauge is reading resistance from the sending unit and if you add more resistance, it could be reading wrong... If you do get another sending unit, get a Mopar brand. I didn't have any luck with the junk offered over the counter at my local auto part stores. Just a thought,, Troy Houston Mopar Connection Club '69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: hemi68charger] #998834 05/24/11 11:23 AM 05/24/11 11:23 AM
Joined: Jan 2003 Posts: 5,902 Athens, Greece Pyper70 master
Pyper70 master Joined: Jan 2003 Posts: 5,902 Athens, Greece	Not to poke the beehive...you do have an overflow catch can right? Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: WyleECoyote] #998835 05/24/11 01:48 PM 05/24/11 01:48 PM
Joined: Aug 2003 Posts: 43,157 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,157 Bend,OR USA	Is the new radiator aluminum? If so i had a simialr experience with a new aluminum radiator 4 yrs ago, it cooled fine when I first put it in. It ran 165F going down thw road at 50+ MPH or higher and 160 F degreesas soon as I let off the throttle and slowed down to 35 MPH or slower. The next spring it ran 190+ all the time I had filled it with distilled water and Water Wetter and then added antifreeze later for the winter storage � I had it reversed flush this past winter and it is now running 165 F again I did buy and install a sacrifisal anode that screws into where the drain plug goes, maybe that will help Let us know what you find Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: WyleECoyote] #998836 05/24/11 01:53 PM 05/24/11 01:53 PM
Joined: Apr 2010 Posts: 10,570 Sunny South Florida Golden-Arm I Live Here
Golden-Arm I Live Here Joined: Apr 2010 Posts: 10,570 Sunny South Florida	Quote: (another new one or the current one that works) WILL have 3 holes in it! What size holes? 1/8th inch? i drill a single 1/8" hole in mine, just to make sure they dont hold an air bubble. remove the stat and crank it up and let it run for a while. watch the temp, and monitor water flow. if it still gets hot with the stat removed, you have a questionable radiator, or blockage in the block, providing you see decent water flow. if the flow is poor, i'd suspect the pump. be sure the hoses aren't collapsing. the bottom one is the one to look at closely. use redline water wetter too. it does help. "When Tyranny Becomes Law, Rebellion Becomes Duty"

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: Golden-Arm] #998837 05/24/11 05:11 PM 05/24/11 05:11 PM
Joined: Jan 2003 Posts: 2,931 P Paul_Fancsali master
Paul_Fancsali master P Joined: Jan 2003 Posts: 2,931	Keep at 180 stat. Drop your antifreeze level concentrate to 30 % and quit worrying the engine is not over heated at 228 Hot yes boiling No Also last time I had one do what yours is doing the head gasket was blown between cylinders but you said you did check with pressure tester Also get a 18 lb cap it will help a little

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: Paul_Fancsali] #998838 05/24/11 06:10 PM 05/24/11 06:10 PM
Joined: Sep 2009 Posts: 1,377 Tennessee WyleECoyote OP pro stock
WyleECoyote OP pro stock Joined: Sep 2009 Posts: 1,377 Tennessee	Thanks Paul. I didn't get to play with it today so hopefully tomorrow! I appreciate your input. Wile E. Coyote Super Genius, Lover of FCA US LLC Products ************* 68 Road Runner (440 4-spd), 71 Superbee (383 slap), 71 Charger 500 (383 4-spd wA/C 1of 182), 72 Imperial, 74 Charger SE (440 sunroof), 84 D350 Crew-cab Dually (440), 75 D300 Dually Tandem (318 4-speed)

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: WyleECoyote] #998839 05/24/11 08:28 PM 05/24/11 08:28 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Post some racy pic(s) and pull that stat live every 24 hour block of time like it's your last day on earth

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: hemi68charger] #998840 05/25/11 12:30 AM 05/25/11 12:30 AM
Joined: Jan 2003 Posts: 720 Texas J jetdoctor_75402 super gas
jetdoctor_75402 super gas J Joined: Jan 2003 Posts: 720 Texas	Have a 72 Dart 5.2 52,230 miles and it started overheating and what I found was a previous owner had put stop leak in engine. It built up in the corner of the back driver side cooling water jacket in the block. Found this when I removed the heads to replace head gaskets (they were not bad, just covering bases). The stop leak was intended to stop a leak at rear water soft plug in rear of block. Don't know your history on your car, but might be a possibility? regrds doc

UPDATE: Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: Challenger 1] #998841 07/25/11 07:33 PM 07/25/11 07:33 PM
Joined: Sep 2009 Posts: 1,377 Tennessee WyleECoyote OP pro stock
WyleECoyote OP pro stock Joined: Sep 2009 Posts: 1,377 Tennessee	Quote: Quote: Quote: Lean... Or timing ? These 2 guys are right, it's the tune up, I'd bet a weeks pay on it. You don't need to modifiy the cooling system, you need to run the right tuneup, I'm sure. Challenger 1 - Will you be sending that weeks pay via Paypal or check???... Well, regardless that the radiator was new, and no matter that we flushed the cooling system - apparently the 1,000 mile trip to MMW in St.Louis knocked enough rust and debris loose in the engine/cooling system that the radiator was plugged up. After trying EVERYTHING else, I took the radiator back to the shop and told them my problem and they said they would flow check it. Yep, sure enough - they said even though it was cooling, the flow was terrible. A $21 radiator flush and I'm back in business! WHAT a lesson learned! Thanks for ALL the help and ideas you guys gave me (and all of us here on Moparts), I think this will be a valuable thread! Wile E. Coyote Super Genius, Lover of FCA US LLC Products ************* 68 Road Runner (440 4-spd), 71 Superbee (383 slap), 71 Charger 500 (383 4-spd wA/C 1of 182), 72 Imperial, 74 Charger SE (440 sunroof), 84 D350 Crew-cab Dually (440), 75 D300 Dually Tandem (318 4-speed)

Re: UPDATE: Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: WyleECoyote] #998842 07/25/11 07:45 PM 07/25/11 07:45 PM
A Anonymous Unregistered
Anonymous Unregistered A	Wow, I wish I had seen this sooner as I don't believe your problem is fixed long term! Both my father and I had problems with '71 vintage motors overheating. Replaced hoses, thermostats, had the radiators cleaned and everything would be fine....for a while... I turns out that on both motors (his a 383, mine a 318) they had lots of casting sand that was left in the block! Both motors were original and had never been out of the car when we bought them. After we pulled the motors and THOROUGHLY cleaned out the pan rails/water passages the problem went away.

Re: UPDATE: Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: WyleECoyote] #998843 07/25/11 08:53 PM 07/25/11 08:53 PM
Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio Challenger 1 Too Many Posts
Challenger 1 Too Many Posts Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio	Quote: Quote: Quote: Quote: Lean... Or timing ? These 2 guys are right, it's the tune up, I'd bet a weeks pay on it. You don't need to modifiy the cooling system, you need to run the right tuneup, I'm sure. Challenger 1 - Will you be sending that weeks pay via Paypal or check???... Well, regardless that the radiator was new, and no matter that we flushed the cooling system - apparently the 1,000 mile trip to MMW in St.Louis knocked enough rust and debris loose in the engine/cooling system that the radiator was plugged up. After trying EVERYTHING else, I took the radiator back to the shop and told them my problem and they said they would flow check it. Yep, sure enough - they said even though it was cooling, the flow was terrible. A $21 radiator flush and I'm back in business! WHAT a lesson learned! Thanks for ALL the help and ideas you guys gave me (and all of us here on Moparts), I think this will be a valuable thread! I guess the check is in the mail.

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: Cab_Burge] #998844 07/25/11 09:41 PM 07/25/11 09:41 PM
Joined: Jan 2003 Posts: 27,467 So Cal autoxcuda Too Many Posts
autoxcuda Too Many Posts Joined: Jan 2003 Posts: 27,467 So Cal	Quote: Is the new radiator aluminum? If so i had a simialr experience with a new aluminum radiator 4 yrs ago, it cooled fine when I first put it in. It ran 165F going down thw road at 50+ MPH or higher and 160 F degreesas soon as I let off the throttle and slowed down to 35 MPH or slower. The next spring it ran 190+ all the time I had filled it with distilled water and Water Wetter and then added antifreeze later for the winter storage � I had it reversed flush this past winter and it is now running 165 F again I did buy and install a sacrifisal anode that screws into where the drain plug goes, maybe that will help Let us know what you find I wonder if the Water Wetter alone didn't give it enough corrosion protection. Especially for the surface area of a fresh new radiator. The aluminum needs some added silicates and nitrates for protection. When you have a new radiator or new heater core, those protective ingredients can get quickly depleted even out of 50/50 coolant to cover that new area. Then you are not left with much protection to carry you over to the next coolant exchange interval. I know Justice Brothers recommends it's Super Radiator Cooler (pn 22/P) AND an additional Radiator Protectant bottle (pn 1/P) for water only situations. Last edited by autoxcuda; 07/26/11 03:41 AM.

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: autoxcuda] #998845 07/26/11 03:26 AM 07/26/11 03:26 AM
Joined: Jan 2003 Posts: 5,315 Land 'O Lakes RoadRunnerLuva master
RoadRunnerLuva master Joined: Jan 2003 Posts: 5,315 Land 'O Lakes	This thread should end up in the Tech archives Plymouth Makes It!

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: RoadRunnerLuva] #998846 07/26/11 03:39 AM 07/26/11 03:39 AM
Joined: Jan 2004 Posts: 27,347 Today? Who Knows? 1_WILD_RT Management Trainee
1_WILD_RT Management Trainee Joined: Jan 2004 Posts: 27,347 Today? Who Knows?	Pretty common problem... Debris in the cooling system doesn't get properly cleaned out by EPA compliant hot tank.. It just gets loosened so when the engine is assembled & running in the car after a few heat cycles the debris starts breaking up & plugs the radiator... A good solution is to run a coolant filter for the first couple thousand miles... http://autocoolantfilter.com/ "The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."

Re: WOW!!! Is she HOT!!!!!!!!!!!!!!!!! OMG! [Re: 1_WILD_RT] #998847 07/26/11 03:49 AM 07/26/11 03:49 AM
Joined: Jan 2003 Posts: 27,467 So Cal autoxcuda Too Many Posts
autoxcuda Too Many Posts Joined: Jan 2003 Posts: 27,467 So Cal	Quote: Pretty common problem... Debris in the cooling system doesn't get properly cleaned out by EPA compliant hot tank.. It just gets loosened so when the engine is assembled & running in the car after a few heat cycles the debris starts breaking up & plugs the radiator... A good solution is to run a coolant filter for the first couple thousand miles... http://autocoolantfilter.com/ In a new motor, I agree. I spend hours MYSELF just picking the loose scale out of my block and air blowing the living heck out of it! And it was real clean to start with. Then after I got it back from the machine shop I put a pressure washer and hose through everything. My new motor stays cool and I have a tiny mechanical fan with no shroud yet. I did do a drain and fill soon after I got the motor running. But if it idles or in real slow traffic for quite some time it will get hot (not boil over though). I need to add a shroud AND do a good backflush. I thought I did a decent job of getting the junk out of there 6747158-Stroker4_24_10BuildSm10.JPG (75 downloads) Last edited by autoxcuda; 07/26/11 03:54 AM.

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