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Discussion Starter #1
My Daytona, which is usually a

My Daytona, which is usually a bit cold natured and which I have never seen run hot, now is running really cold.

With the weather change, getting it to what I consider full running temp is about impossible.

I drove it to Atlanta this morning. On the highway, even after 25 minutes cruising the water temp only reached 75C and the oil temp was around 65C-70C. The highest the temps got even at slower speeds on 2 lanes was water 80C and oil 75C.

Im thinking I need to install a different thermostat for cooler weather. I didnt rev it over 4k because of the low temps. I hate not revving it!

Suggestions?

Terry
 
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Discussion Starter #2
Terry,

you don't mentio


Terry,

you don't mention what outside air temp was.

The other question that comes to mind. Are you sure there is a thermostat installed?

Personally I'd stick with a 160 if that's what is in the engine already. If it's a 180 I'd leave it alone also. Daytonas have rather large radiators to insure proper operating temps under very hard use, so it's not surprising they run somewhat cold if the air temp is low.

Once the water temp hits 65c-70c and the oil temp hits 50c-60c I wouldn't worry about starting to run the engine any way you want to.

Regards, JRV
 
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Discussion Starter #3
Terry,

With the weather get


Terry,

With the weather getting colder here in the Northeast (35-45F), the water and oil temps on my BB are the same as yours...though they do creep up a bit when I'm not moving.

Regards,
David
 
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Discussion Starter #4
It was about 60 degrees outsid

It was about 60 degrees outside, perhaps 55. My car also has an external oil cooler fitted. I am not certain a thermostat is currently installed.

Driving during the summer, in stop and go traffic with it 95 outside the water temp would reach about 95C as a high and the oil temp maybe a touch over 90C.

JRV: so your pretty sure no risk or "bad" things are likely happen running it hard with oil temp at 60C? I honestly dont have any clue at what temp its ok to run it in the manner I (and it) seem to enjoy most.

I can tell you that in general the car runs much better and seems to be happier when your pushing it fairly hard. After blasting around revving it to redline and having lots of fun, it purrrrs and is smooth as silk. Sometimes after driving around in slow traffic or loafing for too long I get spits and little backfires in the exhaust like she is complaining.

Terry
 
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Discussion Starter #5
Terry,

once oil is warm and


Terry,

once oil is warm and the oil pressure isn't maxed out there will be no harm. 180F is optimum to burn off contaminants not lubricate.

Regards, JRV
 
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Discussion Starter #6
Terry,
It's quite possibl


Terry,
It's quite possible you have done irrepairable damage to the entire drivetrain. Call me asap so I can make an appropriate offer and take that heap off your hands.
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Ed haha--serious, if you ever want to sell, email me. You car is beautiful.
 
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Discussion Starter #8
My t-stat is stamped "82&#

My t-stat is stamped "82" on the underside, or about 180 F. I've tested a couple using a pan of water and thermometer on the kitchen stove. They begin opening at about 180 and are fully open between 200 and 210F. As JRV states, 180 is fine and should be about where the car runs as the t-stat opens and closes to maintain this.
 
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Discussion Starter #9
If you wish to enjoy driving i

If you wish to enjoy driving it on these brisk cool mornings, might suggest the old racer trick and tape over the oil cooler at least to give good warm oil temp., the water will respond at the same time and keep the mechanicals at closer to optimum temps. Just my $0.02.
 
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