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Author Topic:   Running a little hot
66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 08-07-2002 09:23 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
I just got my new rebuilt 302 running and its running a little hot. I just have the regular 66 mustang gauges that has C---H and its running just a little past 3/4 of the way,Is that normal? I retarded the timing so I dont thing thats it.I`m running a 160 thermostat.Its probably 90 degrees outside.Thanks,Tony

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ice'68
Gearhead

Posts: 127
From: Fresno, CA
Registered: Apr 2002

posted 08-07-2002 09:37 PM     Click Here to See the Profile for ice'68   Click Here to Email ice'68     Edit/Delete Message   Reply w/Quote
How big is your radiator? I was having some cooling problems on my 289, then I installed a 3-core radiator, one of those "flow-kooler" impeller discs, and a new flex fan (fan shroud too). Temp. stays constant at around 190.

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Dave Gibson
Moderator

Posts: 7549
From: Norfolk, Virginia, USA M&M#166 MCA#47921
Registered: Aug 99

posted 08-07-2002 10:30 PM     Click Here to See the Profile for Dave Gibson   Click Here to Email Dave Gibson     Edit/Delete Message   Reply w/Quote
The fan shroud is a biggie for helping to keep your pony running cool. If you don't have one, get one. You may want to run a little higher thermostat like a 180. How old is the temperture sending unit? Start with the simple things first. They are usually cheaper also.

Dave & Terri

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Poison Ivy (Dave's)
'65 Fastback Modified 289 4V, C-4, dual exhaust, styled steel wheels, rally pac, A/C

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V8 Thumper
Gearhead

Posts: 3529
From: Orange, Ca. United States of America
Registered: Dec 2001

posted 08-07-2002 10:35 PM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
Dave has a great point with the shroud... they're worth every penny and then some

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 08-07-2002 11:00 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
I`m running a 4 core radiator. I did have a rinky dink shroud but I threw that away.I am just running water.Would antifreeze help?I going to put a electric tornado fan in it this weekend.Tony

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mustangboy
Gearhead

Posts: 670
From: Ont, Canada
Registered: Mar 2002

posted 08-07-2002 11:28 PM     Click Here to See the Profile for mustangboy     Edit/Delete Message   Reply w/Quote
Actally retarding the timing is more likely to make your engine run hot.Were you having this problem before you retarded the timing?

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 08-07-2002 11:39 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
Yes I was,I put in a Milodon water pump I bought from Summit.It says to use a non-restrictive high flow thermostst,what is that?Tony

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Dave Gibson
Moderator

Posts: 7549
From: Norfolk, Virginia, USA M&M#166 MCA#47921
Registered: Aug 99

posted 08-07-2002 11:45 PM     Click Here to See the Profile for Dave Gibson   Click Here to Email Dave Gibson     Edit/Delete Message   Reply w/Quote
Tony,
Don't run straight water. It is bad for the engine and the radiator. Add antifreeze and water wetter. Great stuff that will help cool things down. You can also buy a deep fan shroud (about three inches) vice the rinky dink standard shrouds. Timming will also affect how your stang runs. It took us a few hours to dial in our 289, but once we did, the temperature had dropped by 1/3. Always start will the simple things, first.

Dave & Terri

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Poison Ivy (Dave's)
'65 Fastback Modified 289 4V, C-4, dual exhaust, styled steel wheels, rally pac, A/C
'02 Explorer XLT Black!

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65mustang
Gearhead

Posts: 138
From: Stockton,CA
Registered: Jul 2001

posted 08-09-2002 05:13 PM     Click Here to See the Profile for 65mustang   Click Here to Email 65mustang     Edit/Delete Message   Reply w/Quote
one big piece of advice......check to see if your gauge is still good!

when i had my 65 coupe, i had just got it out of the shop(4spd. to C4) and the gauge was reading 3/4 to H. so i get the timing done, get my radiator cleaned and rodded, get a new thermostat, and a new flex fan. after all this, the gauge reads the same, so i take it into the shop and they test my gauge and tell me its bad. all that money for nothing. well it did improve my setup but it was not neccessary. now i own a 66 fastback and i know my gauge is broken. i know my car is overheating when the coolant bubbles out of the overflow.

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66 fastback 289 C4 w/shiftkit and B&M Pro Stick shifter holley 600 carb edlebrock performer 289 intake, pertronix elec. ignition, 3.80 w/ posi under rider traction bars and front anti sway bar american racing torque thrust D wheels

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mellowyellow
Gearhead

Posts: 5739
From: So. Fl.
Registered: Aug 2000

posted 08-09-2002 06:43 PM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
The rinky dink shroud works, believe it or not. The 89 roller that I had in a 65 cv had a 180 thermo, 4 row radiator, ac fan from classic air, and a rinky dink shroud. On a hot, hot, August day, idling in traffic in drive, with the ac full blast, never went beyond halfway mark on temp guage(pony interior car) with 66 style guages.

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66bluefb
Gearhead

Posts: 456
From: Okla.City,Okla.
Registered: May 2002

posted 08-09-2002 07:07 PM     Click Here to See the Profile for 66bluefb   Click Here to Email 66bluefb     Edit/Delete Message   Reply w/Quote
The reason I threw the shroud away when I changed motors was I had an electric tornado fan coming from Summit.It is here now and I`m going to put it on tomorrow.I know that I need a shroud with a regular fan put I don`t think I need one with a electric do I?
Thanks,Tony

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