Engine Temperatures
Melting Slicks
Joined: Sep 2006
Posts: 2,041
Likes: 4
From: Rockford Illinois
Melting Slicks
Joined: Mar 2004
Posts: 3,472
Likes: 18
From: Lake Ozark, MO
this could be interesting.....I've always heard you need to wait for proper piston /cylinder expansion to take place on any vehicle, motorcycles, cars, before you "hit it". That would be normal operating temperatures........
Thread Starter
Racer
Joined: Jan 2007
Posts: 253
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From: Winter Haven Florida
Drifting
Joined: Jan 2007
Posts: 1,565
Likes: 6
From: Henderson NV
I don't know, I'm old school. I know this new technology engine material wise, computers, synthetic oils, etc., is much improved from the old days...............but there's something about "gettin on it" before the water temp gauge has even moved that I just can't do. I like to see some temps close to normal before the throttle hits the floor.
Mick
Mick
Race Director
Joined: Apr 2004
Posts: 16,135
Likes: 5
From: Newberry FL
Cruise-In VIII Veteran
St. Jude Donor '07
Well...
I have installed heads and cam and I am running the 918 COMP Springs and hammering it when these springs are cold is not a wise idea, they need to be warm to prevent them from breaking.
I personally wait until my oil temp is about 125-150 degrees before I hammer it. Typically when the oil is at this temp the coolant is above that and that gives me reason to believe that the engine is ready for some WOT.
I am with MACH2 on this, I guess I am a bit old school too. You guys do what you want, but dropping a valve because I broke a spring due to my lack of patience isn't something I am going to risk.
I have installed heads and cam and I am running the 918 COMP Springs and hammering it when these springs are cold is not a wise idea, they need to be warm to prevent them from breaking.
I personally wait until my oil temp is about 125-150 degrees before I hammer it. Typically when the oil is at this temp the coolant is above that and that gives me reason to believe that the engine is ready for some WOT.
I am with MACH2 on this, I guess I am a bit old school too. You guys do what you want, but dropping a valve because I broke a spring due to my lack of patience isn't something I am going to risk.
Le Mans Master
Joined: Nov 2006
Posts: 7,215
Likes: 1
From: Orlando FL
My .02 is simple Longevity = routine maintenance - abuse. If you abuse the car it will not last as long. 'Getting on it before the warm up is complete is abuse. I would wait until the coolant is 150 my .02
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Melting Slicks
Joined: Jul 2006
Posts: 2,094
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From: The 7th layer of hell - Western Washington
If I have time I'll give it 5 min on a cold day (it was 28 here today), but 30 seconds should be enough in any situation. I make sure oil temp is 180F or higher before getting on it or breaking ~2,500 RPM.
IMHO - Coolant temp can rise/fall quickly and doesn't provide a true representation of the temperature of your motor - oil temp is the one you want to reference when determining how hot/cold your motor is.
IMHO - Coolant temp can rise/fall quickly and doesn't provide a true representation of the temperature of your motor - oil temp is the one you want to reference when determining how hot/cold your motor is.
Burning Brakes
Joined: Oct 1999
Posts: 836
Likes: 0
From: Colorado Springs, Colo., USA
If I have time I'll give it 5 min on a cold day (it was 28 here today), but 30 seconds should be enough in any situation. I make sure oil temp is 180F or higher before getting on it or breaking ~2,500 RPM.
IMHO - Coolant temp can rise/fall quickly and doesn't provide a true representation of the temperature of your motor - oil temp is the one you want to reference when determining how hot/cold your motor is.
IMHO - Coolant temp can rise/fall quickly and doesn't provide a true representation of the temperature of your motor - oil temp is the one you want to reference when determining how hot/cold your motor is.
I monitor oil temperature all the time. It is the key. The first thing we did with 60s era sports cars was put an oil temp gauge in because it is key. I also won't hit it hard until oil temps are 120 or more.
Race Director
Joined: Jun 2004
Posts: 19,459
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From: Schaumburg IL
CI 7-8-9-11 Veteran
St. Jude Donor '06-'10, '13
I think there is a reason that "operating temp" exists or is defined by the manufacturers.
I would not romp on mine until Oil Temp gets in the 170's at least...just playing it safe.
I would not romp on mine until Oil Temp gets in the 170's at least...just playing it safe.
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Le Mans Master
Joined: Aug 2004
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From: Southern New Jersey, The wet part at the bottom
St. Jude Donor '08-'09-'10
Well...
I have installed heads and cam and I am running the 918 COMP Springs and hammering it when these springs are cold is not a wise idea, they need to be warm to prevent them from breaking.
I personally wait until my oil temp is about 125-150 degrees before I hammer it. Typically when the oil is at this temp the coolant is above that and that gives me reason to believe that the engine is ready for some WOT.
I am with MACH2 on this, I guess I am a bit old school too. You guys do what you want, but dropping a valve because I broke a spring due to my lack of patience isn't something I am going to risk.
I have installed heads and cam and I am running the 918 COMP Springs and hammering it when these springs are cold is not a wise idea, they need to be warm to prevent them from breaking.
I personally wait until my oil temp is about 125-150 degrees before I hammer it. Typically when the oil is at this temp the coolant is above that and that gives me reason to believe that the engine is ready for some WOT.
I am with MACH2 on this, I guess I am a bit old school too. You guys do what you want, but dropping a valve because I broke a spring due to my lack of patience isn't something I am going to risk.
I'm especially concerned for valve springs.
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I make sure the oil is above 175 degrees and the coolant is around 150 before really pushing the pedal down.