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Old 04-15-2019, 05:48 PM   #1
dzsports
 
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Name: dzsports
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12 valve over heating

1996 12valve over heating
need some help, I installed a new Mishimoto intercooler to get my egt,s lower last spring , and since then my water temps run at 230 when towing hills. I tow a 40 foot toy hauler weight around 24,000
I replaced water pump , new thermostat oem ,new fan clutch , new radiator ,fan shroud is is great shape. and at the moment there is no ac condenser installed
I have compounds and afc live, turned my fuel down till I was only pushing 20 pounds of boost and egts was at 938 still ran hot, no coolant is pushing into the overflow bottle.
is it a possible head gasket ? you would think when im pushing 65 psi boost it would push coolant into the over flow but its not.
any one have any ideas ?
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Old 04-15-2019, 06:58 PM   #2
RollCoal9000

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What does the coolant look like
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Old 04-15-2019, 08:08 PM   #3
BigPapa
 
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Have you checked the temp with an infrared temp gun? You could have a bad sensor or gauge. Your ECT sensor is at the back left of the head. Or, you could install a mechanical gauge for diag.
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Old 04-15-2019, 09:19 PM   #4
dzsports
 
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coolant is clean no oil and no coolant in oil
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Old 04-15-2019, 09:32 PM   #5
95cummins5.9
 
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Will the fan suck a rag to the radiator?
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puzzy, tune it.

I don't own anything stock, from engines to boobies I've modded them all. Life is too short to live with mediocre chit.
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Old 04-15-2019, 09:45 PM   #6
RollCoal9000

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Blow the rad out and flush the coolant system?

Is the intercooler blocking flow?
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Old 04-16-2019, 07:48 AM   #7
bateman
 
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I'd do what BigPapa recommended before I got knee deep in it. These old gauges on the dash ain't always accurate.
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