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NEED HELP WITH 440 RUNNING HOT #345580 06/13/09 05:36 AM 06/13/09 05:36 AM
Joined: Mar 2008 Posts: 44 pa F FOXY312 OP member
FOXY312 OP member F Joined: Mar 2008 Posts: 44 pa	I AM HAVING PROBLEMS WITH MY 440 ENGINE RUNNING HOT, NEW REBUILDED ENGINE BEEN BROKEN IN AREADY. RAN THE ENGINE ON BREAK IN WITHOUT THE THERMOSTAT JUST PUT IN A NEW THERMOSTAT 185 IT RAN AT 180 AND THEN IT START TO GO UP TO 200 QUICK SHUT IT DOWN THIS IS THE SECOND TIME TRY TWO NEW THERMOSTAT. TOOK THE THERMOSTAT OUT MOTOR RAN 180 NO PROBLEMS

Re: NEED HELP WITH 440 RUNNING HOT [Re: FOXY312] #345581 06/13/09 07:51 AM 06/13/09 07:51 AM
Joined: Jan 2007 Posts: 7,664 IN A ahy master
ahy master A Joined: Jan 2007 Posts: 7,664 IN	Often air gets trapped in the system after putting in a new thermostat. After shutting the engine off let it cool then check coolant level - it will probably be down as the air works its way out. A couple cycles of running, cooling and topping off the coolant should get the air out. And please turn caps off.

Re: NEED HELP WITH 440 RUNNING HOT [Re: ahy] #345582 06/13/09 08:03 AM 06/13/09 08:03 AM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: And please turn caps off. I'm glad Stumpy is not awake at this hour . I like caps w my failing eyesight . On to business, suspend the stat in a pot of heating water w a candy thermometer & see when it opens. I just put a 195 stat in a stock 318 when I changed intakes & it 7/8 pegged the gauge(65 Dart) on 2 sucessive days then it went back OK & has stayed there ever since & I would highly recommend drilling a 1/32" hole in it to purge the air pocket out of there, yesterday a poster had an overheating problem from what he could tell just from the air pocket & not being able to get all his coolant back in on the initial refill which might be the case with you live every 24 hour block of time like it's your last day on earth

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