Warm up
Thread Starter
Racer
Joined: Mar 2016
Posts: 365
Likes: 54
From: Huntsville Tx
Warm up
I thought I saw a thread on this but can't find now. But a discussion was started on Facebook in the BMW owners thread(bikes) about no warmup, crank and ride off.
I thought I saw on the dry sump engines they need to warm up??
I thought I saw on the dry sump engines they need to warm up??
Melting Slicks
Joined: Mar 2001
Posts: 2,658
Likes: 842
From: New Jersey
Dry sump versus wet sump makes no difference concerning warm-up.......I warm-up all my cars before I drive.....I wait till I have 100F coolant temp before I move....I know "old school"...but I think its better for the engine.....I have done this for about 10 cars in the last 30 years...never any oil consumption issues, and I drive these cars for at least 100,000 miles.
The origin of the "don't let it idle to warm it up" are the environmentalists.....
The origin of the "don't let it idle to warm it up" are the environmentalists.....
Last edited by ersatz928; Dec 15, 2016 at 08:36 AM.
Drifting
Joined: Apr 2004
Posts: 1,340
Likes: 463
From: Raleigh/Cary NC
I disagree. All modern cars are designed to start it up and move it out. As long as you take it easy, you won't hurt anything and it actually warms up faster, which is better for the engine and transmission both.
Having it sit and idle until warm does nothing for the tranny, differential, etc.
Having it sit and idle until warm does nothing for the tranny, differential, etc.
Race Director
Joined: Jan 2014
Posts: 10,709
Likes: 7,099
From: Fulshear, TX
Fire it up, buckle your seatbelt, and head out. Drive gentle until it gets heat in it then have fun.
Sitting and idling warms only the engine, your transmission and differential fluids will still be cold.
Sitting and idling warms only the engine, your transmission and differential fluids will still be cold.
Last edited by Kracka; Dec 15, 2016 at 09:17 AM.
Le Mans Master
Joined: Sep 2012
Posts: 7,146
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From: Hagerstown MD
St. Jude Donor '15-'16,'18
I drive very conservatively until the yellow disappears from the display. I do let the engine idle for about 1 minute in an effort to prevent the jerk when I put the tranny in R or D. So far it seems to work.
Safety Car
Joined: Sep 2015
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Dry sump versus wet sump makes no difference concerning warm-up.......I warm-up all my cars before I drive.....I wait till I have 100F coolant temp before I move....I know "old school"...but I think its better for the engine.....I have done this for about 10 cars in the last 30 years...never any oil consumption issues, and I drive these cars for at least 100,000 miles.
The origin of the "don't let it idle to warm it up" are the environmentalists.....
The origin of the "don't let it idle to warm it up" are the environmentalists.....
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Thread Starter
Racer
Joined: Mar 2016
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From: Huntsville Tx
Moderator emeritus
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
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Instructor
Joined: Nov 2005
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From: Plano TX
Dry sump versus wet sump makes no difference concerning warm-up.......I warm-up all my cars before I drive.....I wait till I have 100F coolant temp before I move....I know "old school"...but I think its better for the engine.....I have done this for about 10 cars in the last 30 years...never any oil consumption issues, and I drive these cars for at least 100,000 miles.
The origin of the "don't let it idle to warm it up" are the environmentalists.....
The origin of the "don't let it idle to warm it up" are the environmentalists.....
Melting Slicks
Joined: Mar 2001
Posts: 2,658
Likes: 842
From: New Jersey
And I too am an Engineer....what does that add to this discussion?....
There is no hard evidence to support either side of this discussion, my opinion only because as an Engineer it makes sense to me (to warm it up), but I think it is clear that not warming it up saves gasoline...which is why I say that it is for environmental reasons that you should not idle it, and just drive....I am willing to use a little more gas to reduce wear in my engine.....
There is no hard evidence to support either side of this discussion, my opinion only because as an Engineer it makes sense to me (to warm it up), but I think it is clear that not warming it up saves gasoline...which is why I say that it is for environmental reasons that you should not idle it, and just drive....I am willing to use a little more gas to reduce wear in my engine.....
Last edited by ersatz928; Dec 15, 2016 at 10:43 AM.
Moderator emeritus
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Elmer
Team Owner
Joined: May 2004
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From: DFW/Long Island
And I too am an Engineer....what does that add to this discussion?....
There is no hard evidence to support either side of this discussion, my opinion only because as an Engineer it makes sense to me (to warm it up), but I think it is clear that not warming it up saves gasoline...which is why I say that it is for environmental reasons that you should not idle it, and just drive....I am willing to use a little more gas to reduce wear in my engine.....
There is no hard evidence to support either side of this discussion, my opinion only because as an Engineer it makes sense to me (to warm it up), but I think it is clear that not warming it up saves gasoline...which is why I say that it is for environmental reasons that you should not idle it, and just drive....I am willing to use a little more gas to reduce wear in my engine.....
start it, put it in gear, go, and take it easy.
Nothing to do with wasting gas.
Last edited by Thunder22; Dec 15, 2016 at 01:10 PM.
E-Ray, 3LZ, ZER, LIFT
Joined: Sep 2007
Posts: 34,802
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From: NE South Carolina
In the "old days" with heavier weight oil there was some "warm it up" logic. Today with 5 weight oil when cold best to move out and let the engine switch from that rich idle mixture as fast as possible. The Vette tells be on the tac when I can start increasing the rev's.
Last edited by JerryU; Dec 15, 2016 at 01:13 PM.
Drifting
Joined: Aug 2015
Posts: 1,434
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From: Maple Ontario
As mentioned, the tach displays a very conservative redline until fully warmed up. This display is so progressive you can see the redline creeping back up to 6500. So your technically good to go right from startup, and considering 98% of the time, this is in the summer, there is no problem. Probably a good idea to let it run for 30 seconds.
I do notice the engine is a bit bitchy until run for about 2-3 minutes but i have the manual so it doesn't mask any surging like an auto does.
I do notice the engine is a bit bitchy until run for about 2-3 minutes but i have the manual so it doesn't mask any surging like an auto does.