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Running hot with 440 source housing and pump #685443 05/01/10 02:36 PM 05/01/10 02:36 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars OP top fuel
Dougsmopars OP top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	My 440 ran 190 on hottest days. Installed new cam and went to 440 source water pump housing and pump. Car runs hot now and summer hasn't started. Will adding electric fan help or do i have to dump the 440 source parts?

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685444 05/01/10 02:40 PM 05/01/10 02:40 PM
Joined: Jan 2003 Posts: 24,562 Brookeville, Md Mr.Yuck Not enough dumb comments...yet
Mr.Yuck Not enough dumb comments...yet Joined: Jan 2003 Posts: 24,562 Brookeville, Md	you might want to check a few things. 1st check your timing, 2nd make sure your fan is close enough to the radiator. Some pumps have shorter snouts, 3rd check you air/fule mixture. If you add a cam and didn't make adjustments to your carb you could be lean. [IMG]http://i66.tinypic.com/pui5j.jpg[/IMG] Coming soon!!!!

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685445 05/01/10 02:40 PM 05/01/10 02:40 PM
Joined: Jan 2007 Posts: 780 Woodinville, WA Viol8r super stock
Viol8r super stock Joined: Jan 2007 Posts: 780 Woodinville, WA	I have the same combo and its been great. Whats your t-stat?

Re: Running hot with 440 source housing and pump [Re: Viol8r] #685446 05/01/10 03:11 PM 05/01/10 03:11 PM
Joined: Oct 2007 Posts: 288 Birmingham, England M Mick70RR enthusiast
Mick70RR enthusiast M Joined: Oct 2007 Posts: 288 Birmingham, England	I had the same problem so I fitted a stock pump to the 440 Source housing and it runs cool again. 1970 Road Runner 505 cid MCH CNC ported Stealth heads MP 528 camshaft 4 speed GV overdrive 11.98 @ 117 on street treads

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685447 05/01/10 03:13 PM 05/01/10 03:13 PM
Joined: Jul 2004 Posts: 370 B beedees enthusiast
beedees enthusiast B Joined: Jul 2004 Posts: 370	I remember reading here (or somewhere) that the passages on the w.p. housing were not the right size.

Re: Running hot with 440 source housing and pump [Re: beedees] #685448 05/01/10 03:17 PM 05/01/10 03:17 PM
Joined: Feb 2008 Posts: 233 NH Fastback67 enthusiast
Fastback67 enthusiast Joined: Feb 2008 Posts: 233 NH	Quote: I had the same problem so I fitted a stock pump to the 440 Source housing and it runs cool again. Yes, the problem was the 440 Source Pump itself, and not the housing. The Pump doesn't move a lot of water, especially at low RPM's where it's needed the most.

Re: Running hot with 440 source housing and pump [Re: beedees] #685449 05/01/10 03:17 PM 05/01/10 03:17 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	Quote: I remember reading here (or somewhere) that the passages on the w.p. housing were not the right size. Yes it was on here & one side of the 440source housing was restricted. I'd pull the housing and iirc it's easy to spot. You made no other changes other than pump/housing? did you change the stat at the same time? live every 24 hour block of time like it's your last day on earth

Re: Running hot with 440 source housing and pump [Re: RapidRobert] #685450 05/01/10 03:21 PM 05/01/10 03:21 PM
Joined: Oct 2007 Posts: 288 Birmingham, England M Mick70RR enthusiast
Mick70RR enthusiast M Joined: Oct 2007 Posts: 288 Birmingham, England	The passages on the 440 Source housing are smaller than a stock housing but they are big enough. The problem is the pump, it flows well at high rpm but not enough at low rpm. 1970 Road Runner 505 cid MCH CNC ported Stealth heads MP 528 camshaft 4 speed GV overdrive 11.98 @ 117 on street treads

Re: Running hot with 440 source housing and pump [Re: RapidRobert] #685451 05/01/10 03:24 PM 05/01/10 03:24 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars OP top fuel
Dougsmopars OP top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	New 160 stat. Brand new 3 row rad. 18 inch clutch fan with shroud. Fan properly spaced. Carb adjusted a tad rich. timing set. Car isn't puking anti freeze but gauge is reading higher then it did. The 440 sorce houseing has the temp sensor on drivers side near head. My stock houseing had the temp sensor behind the nipple on passenger side. Am i getting a higher reading from that spot?

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685452 05/01/10 03:56 PM 05/01/10 03:56 PM
Joined: Aug 2007 Posts: 6,095 Valencia, España NachoRT74 master
NachoRT74 master Joined: Aug 2007 Posts: 6,095 Valencia, España	something interesting to read about With a Charger born in Chrysler assembly plant in Valencia, Venezuela

Re: Running hot with 440 source housing and pump [Re: NachoRT74] #685453 05/01/10 04:08 PM 05/01/10 04:08 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars OP top fuel
Dougsmopars OP top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	I guess i'll try swapping the pump and hope that cures it. Hate to have to pull the houseing now. Guess the 440 source parts are junk.

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685454 05/01/10 04:19 PM 05/01/10 04:19 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars OP top fuel
Dougsmopars OP top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	Just ordered the Milodon pump and high flow stat.

Re: Running hot with 440 source housing and pump [Re: Mick70RR] #685455 05/01/10 04:37 PM 05/01/10 04:37 PM
Joined: Nov 2007 Posts: 21,814 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,814 Kirkland, Washington	Quote: The passages on the 440 Source housing are smaller than a stock housing but they are big enough. The problem is the pump, it flows well at high rpm but not enough at low rpm. I am wondering if this is the case. The 440Source pump impeller is radically different from stock, the Milodon, and the Edelbrocks. I have the 440source housing with the Edelbrock pump and it works OK, maybe not as well as it might with the stock housing but its not too bad.... (???)

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685456 05/01/10 04:47 PM 05/01/10 04:47 PM
Joined: Oct 2003 Posts: 3,698 NE Oklahoma V Von master
Von master V Joined: Oct 2003 Posts: 3,698 NE Oklahoma	Quote: Guess the 440 source parts are junk. 72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.

Re: Running hot with 440 source housing and pump [Re: Pacnorthcuda] #685457 05/01/10 05:21 PM 05/01/10 05:21 PM
Joined: May 2005 Posts: 2,295 dark side of the moon D Dougsmopars OP top fuel
Dougsmopars OP top fuel D Joined: May 2005 Posts: 2,295 dark side of the moon	I'm going to try the Milodon pump and see if that takes care of it. It's only 75 degree's out today and car is running hot. Definitly gonna over heat when it's 90 out.

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685458 05/01/10 06:39 PM 05/01/10 06:39 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	Quote: New 160 stat. The 440 sorce houseing has the temp sensor on drivers side near head. My stock houseing had the temp sensor behind the nipple on passenger side. Am i getting a higher reading from that spot? no, not a problem. I would suggest a 180 stat live every 24 hour block of time like it's your last day on earth

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685459 05/01/10 06:46 PM 05/01/10 06:46 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: I'm going to try the Milodon pump and see if that takes care of it. It's only 75 degree's out today and car is running hot. Definitly gonna over heat when it's 90 out. I'm betting it's your fan clutch, try another one. 180 stat would be best.

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685460 05/01/10 07:15 PM 05/01/10 07:15 PM
Joined: Jan 2003 Posts: 15,547 Norwich CT USA moparts I Live Here
moparts I Live Here Joined: Jan 2003 Posts: 15,547 Norwich CT USA	Quote: I guess i'll try swapping the pump and hope that cures it. Hate to have to pull the houseing now. Guess the 440 source parts are junk. The housing passage is the same size as the hole in the block that it feeds, so it is not a problem. The pump is made by Cat and is sold by many different people. This is the first that I heard it has an idle flow problem, but might be Tom , 2011 Ram 3500 C&C Diesel 2009 Challenger R/T 1971 Challenger Conv. 511/4 speed 1970 Challenger R/T 503/727

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685461 05/01/10 07:38 PM 05/01/10 07:38 PM
Joined: Dec 2004 Posts: 10,551 Rittman Ohio fourgearsavoy I Live Here
fourgearsavoy I Live Here Joined: Dec 2004 Posts: 10,551 Rittman Ohio	Doug when you say it runs "hot" how hot is hot? Over 200 degrees I use the same housing that is sold by Mancini with a CV electric pump,16" puller fan,and aluminum 2 row radiator from Mancini and my 11-1 comp.street/strip engine runs 180 down the highway and 190-200 stop and go traffic. There are so many guys afraid of 200 degrees and that is NOT overheating Gus 64 Plymouth Savoy 493 Indy EZ's by Nick at Compu-Flow 5-Speed Richmond faceplate Liberty box Dana 60

Re: Running hot with 440 source housing and pump [Re: Dougsmopars] #685462 05/01/10 08:36 PM 05/01/10 08:36 PM
Joined: Jan 2003 Posts: 6,497 N.E. Ohio K KillerBee master
KillerBee master K Joined: Jan 2003 Posts: 6,497 N.E. Ohio	Many years ago I installed a new(rebuilt) waterpump from a reputable local parts place on my 440. The car ran way hottter than before. Changed thermostat with no improvment. Old time mechanic told me to check the impeller on the NEW waterpump. Sure enough the impeller was poorly pressed on and was loose and spinning on the shaft. You might want to check how tight the impeller is.

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