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View Poll Results: Who lets their car warm up before driving it?
Yes
89
48.37%
No, i drive it straight off
95
51.63%
Voters: 184. You may not vote on this poll

Who lets their car warm up before driving it???

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Old 14 August 2004, 06:29 PM
  #1  
16vmarc
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Default Who lets their car warm up before driving it???

As above!!!
Old 14 August 2004, 06:30 PM
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Jamescsti
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I drive it round at low revs and try to keep it off boost for a couple of miles when I first get in it, generally i don't drive it hard day to day anyway

p.s I voted no

Last edited by Jamescsti; 14 August 2004 at 06:51 PM.
Old 14 August 2004, 06:31 PM
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Houghton
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Do you mean by driving it gently till it's warmed or letting it idle?
Old 14 August 2004, 06:31 PM
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BishopDevious
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I voted no, but then again I dont take it above 3000rpm until its warm.
Old 14 August 2004, 06:31 PM
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16vmarc
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letting it idle for a couple of minutes before setting off, i know its not good pratice but i get jerky gear changes otherwise!!!
Old 14 August 2004, 06:34 PM
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steve_g
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I drive straight off but keep it under 3000rpm until the oil temp reaches at least 70 degrees.
Old 14 August 2004, 06:35 PM
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davyboy
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Not required.

Turn key and drive off - taking care not to redline it for at least a few miles!

Anyone would think you have highly stressed racing engines....rather than a mass manufacutured one!
Old 14 August 2004, 06:35 PM
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Houghton
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So how do you vote if you drive straight off but gently? Voting No would suggest thrashing it from cold.
Old 14 August 2004, 06:42 PM
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gyfto1
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running my engine in at the moment so not going much past 3000 rpm at all , most frustrating . but have always let cars warm up before hard driving.
Old 14 August 2004, 07:01 PM
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Autocar
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Drive off straight away
Old 14 August 2004, 07:07 PM
  #11  
opelcorsa
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Warm her up then cool her down.

But the cars a different story!!
Old 14 August 2004, 07:27 PM
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DanR STI8
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Default dodgy sales man

went for a test drive in a new (only 14 miles) sti8. The saleman did at least warm it up for 2 miles then handed over the keys to me where I obviously gave it some stick as I needed to know whatthey go like before handing over my hard earned.

He said it was fine to hammer it and that cars driven hard from the start are often quicker cars!!! Not really a nice thought that whoever buys the car with probably 100 miles on it and babies it around need not bother as other louts have ragged it!!!
Old 14 August 2004, 07:39 PM
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jamie31
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I tend to start the engine before say putting somthing in the boot then keep it under 3000 till the temp reaches normal running temp,i also let the car idle before stopping the engine as was told good for the turbo to cool and slow down?
Old 14 August 2004, 07:51 PM
  #14  
Senior_AP
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Originally Posted by 16vmarc
letting it idle for a couple of minutes before setting off, i know its not good pratice but i get jerky gear changes otherwise!!!
Not good to do that. Drive it steadily for a mile or two then gradually strat driving more normally. Simple mechanica sympathy along with good servicing and most cars last a long, long time.

I *think* if you let it idel the damage is caused by engine getting hot whilst oil remains cold. Therefore the engine wears before the oil begins to protect properly. There is alot that can be said for air flowing through the engine bay.
Old 14 August 2004, 07:56 PM
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njkmr
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I was told years ago that it damaged the catalytic converter if left to idle from cold withiut vehicle moving.Dont know how accurate this is.
Old 14 August 2004, 08:27 PM
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asagi
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Yep just drive straight off but keeping revs' low for a couple of miles (<3000). On my bike(ZX-7R) I let it idle until it idles without the choke and then ride off.

Cars and bikes that are hammered from the off often do loosen up more and produce more power ultimately, but at the expense of long-term reliability. If someone plans to keep their bike or car for a year before trading it in then they often cane it from the off.

Cheers
Old 14 August 2004, 10:22 PM
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It takes longer to warm up if you let it sit there idling. Which means the ECU enriches the fuel mixture for longer, you get more bore wash and contaminate your oil more.

And scoobies are the only modern cars I know of that literally pour the fuel in during cold start/running.

as for jerky gearchanges...double de clutch you lazy sod (although never had a problem myself)

Last edited by ALi-B; 14 August 2004 at 10:24 PM.
Old 14 August 2004, 10:24 PM
  #18  
Tiggs
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unless you keep it till its done a million miles what difference will it ever make????

i thrash every car i've had off the drive im sure its fine...it is made of metal after all!
Old 14 August 2004, 10:50 PM
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legacy dan
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I always let mine warm up for about 30 seconds then its a gentle drive for 3 miles to get her up to temp, then its drive it like you stole it!!! if i'm late for work then it's treated a bit more harsh. Still goes alright for 190,000 & 350bhp
on original lump!!
Old 14 August 2004, 11:12 PM
  #20  
scoobchrissy
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I always let mine idle before driving off, but you learn something every day eh
Old 15 August 2004, 04:53 AM
  #21  
thecirsch
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Likewise, I move off but keep the revs low until the engine has warmed up.

Even if it's JUST for a trip around the CORNER
Old 15 August 2004, 11:29 AM
  #22  
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Just drive straight off, until oil temp is right
Cheers
Colin
Old 15 August 2004, 11:47 AM
  #23  
farmerwrx
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drive straight off but keep revs under 3000 rpm
Old 15 August 2004, 04:08 PM
  #24  
supersarbs
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I drive straight off, but as most have mentionned, keep it off boost until the oil temp guage is on it's 1st mark (takes alot longer than the coolant guage to reach normal)

Cheers


Pete
Old 16 August 2004, 12:45 AM
  #25  
billythekid
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Originally Posted by ALi-B
It takes longer to warm up if you let it sit there idling. Which means the ECU enriches the fuel mixture for longer, you get more bore wash and contaminate your oil more.

This is right.

Also - please dont forget that your water might be upto 80c but your oil will be sitting there at about 30c... you need to drive atleast 10mins <4000rpm before your oil gets upto temp.
Old 16 August 2004, 12:50 AM
  #26  
RB5 Paul
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I'd heard it was better to drive it straight away gently till it's warmed properly rather than let it idle up to temp (heard that was worse than thrashing it from cold in fact)
So i do the drive gently for 10 mins or so keeping it under 4000rpm
Old 16 August 2004, 02:13 AM
  #27  
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I was told , by Subaru , that the ECU ( PPP one anyway ) holds back the boost until the engine is properly warmed up .
I can confirm this as if u drive off straight from cold and try to push it, it does feel sluggish for a few miles ... THEN all of a sudden ....
Clever these little things eh ?

Steve
Old 16 August 2004, 09:06 AM
  #28  
Senior_AP
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I can't believe 50% of people on this thread let the car idle before driving it off.

Remind me to not buy a used car from these people!!

Its simple - turn it on, wait 5 secs or so, drive away steadily, allow engine to naturally warm up, gradually drive normally. When its hot rag it if you wish.

Easy.
Old 16 August 2004, 09:31 AM
  #29  
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Same here.I drive off and keep off boost till it's warm
Old 16 August 2004, 10:51 AM
  #30  
Leslie
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Far better for the engine to warm it up by driving it-gently!

Les


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