Heat issues mustang ii 1977 302

edsmustangii · March 16th, 2009, 09:12 AM

i have a 1977 mustang ii 302 stroker (342) aprox 370HP, C4 trans 3.80 aulburn posi. the car water temp runs 220 - 240 degrees. i have the stock replacement radiator with 16" electric fan, thermostat is 180 degree. I have even put in the cooler liquid that says will cool a engine down. motor has about 500 miles on it. Thanks

RagHead · April 13th, 2009, 05:38 AM

How do you have you fan set up, temp control or run all the time. If temp control try dropping the set point and maybe a lower degree thermostat.

1slo5.0 · May 16th, 2009, 12:56 PM

Originally Posted by edsmustangii

i have a 1977 mustang ii 302 stroker (342) aprox 370HP, C4 trans 3.80 aulburn posi. the car water temp runs 220 - 240 degrees. i have the stock replacement radiator with 16" electric fan, thermostat is 180 degree. I have even put in the cooler liquid that says will cool a engine down. motor has about 500 miles on it. Thanks

Does it run that temperature all the time? Does it seem to run cooler on the highway? What kind of fan is it? I'm thinking you have air in the system or insufficient flow thru the radiator......or both.

mach2man · July 28th, 2009, 08:21 AM

does it have air in it? if it does it could be in the cooling system.
If it's heating up like that it could very well lead to engine damage,blown head Gasket etc.
Don't want that,try flushing out the system and use a good quality coolant system cleaner.

1rnkpny · July 31st, 2009, 01:19 AM

Too small of radiator??? The OE size ones were pretty small. Which would equal insufficient flow like 1slo5.0 mentioned.

March 16th, 2009, 09:12 AM	#1
edsmustangii Look Ma! My First Post! Join Date: Oct 2008 Posts: 1 iTrader: 0 reviews	Heat issues mustang ii 1977 302 i have a 1977 mustang ii 302 stroker (342) aprox 370HP, C4 trans 3.80 aulburn posi. the car water temp runs 220 - 240 degrees. i have the stock replacement radiator with 16" electric fan, thermostat is 180 degree. I have even put in the cooler liquid that says will cool a engine down. motor has about 500 miles on it. Thanks

April 13th, 2009, 05:38 AM	#2
RagHead Newbie 1966 Mustang Convertible Join Date: Sep 2008 Location: Louisiana Posts: 24 iTrader: 0 reviews	How do you have you fan set up, temp control or run all the time. If temp control try dropping the set point and maybe a lower degree thermostat. __________________ Dare to Differ: *STAY INLINE* 1966 Mustang convertible, candyapple red, black power top, black interior, auto trans, autolite 1100 carb, Pertronix Ignitor, Scarebird 4 lug disc brake conversion, duel master cylinder. 1976 Cobra II

July 31st, 2009, 01:19 AM	#5
1rnkpny Hardcore Enthusiast 2007 G9 Eye Catcher Join Date: Mar 2009 Location: Calgary, Alberta Posts: 1,900 iTrader: 0 reviews	Too small of radiator??? The OE size ones were pretty small. Which would equal insufficient flow like 1slo5.0 mentioned. __________________

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July 28th, 2009, 08:21 AM	#4
mach2man Newbie Join Date: Jul 2009 Posts: 3 iTrader: 0 reviews	does it have air in it? if it does it could be in the cooling system. If it's heating up like that it could very well lead to engine damage,blown head Gasket etc. Don't want that,try flushing out the system and use a good quality coolant system cleaner.

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