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General Forums => The Mess Hall => Topic started by: FourbangerYJ on October 29, 2009, 09:27:32 AM
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Do you let your Jeep warm up before heading out?
I do for a bit. I don't drive it much so I like the oil to warm up some before going. It does not get real cold here in the winter so it don't take long.
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Do you let your Jeep warm up before heading out?
I do for a bit. I don't drive it much so I like the oil to warm up some before going. It does not get real cold here in the winter so it don't take long.
i usually let it idle for a minute or two but i am in a hurry most of the time :lol:. Synthetic oil helps from what i know in cold temps for that purpose. when it's cold-cold i don't like the freezing seat so i usually start it and head back in finishing my coffee, but I read somewhere it is not recommended to get it to temp like that, but something's gotta give so in that case has to do more with me and not with the oil being cold.
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depends on the weather in the summer ill just keep it below 2.5grand (most vehicles i would do 2grand but the jeep is lacking power lol.)until it warms up and drive it right away.. if its realy cold ill let it warm up for a while otherwise i just take it easy for a few miles.
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Maybe for a minute or so. Really, it's so the heater and/or defroster starts working. In the morning I'll start the engine while I get situated in the seat. I can turn my fan off but really the engine won't get up to the operating temps till I'm several miles out. The heater starts blowing warmth in 1/2 mile or less. I run synthetic and it doesn't get below freezing much. It's usually in the low 40's to mid 50's right now.
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No warm up. I just drive it slowly until it warms up.
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It just depends on how cold it is out, on mornings that its under 30 and more so on the mornings that its under 0 or close to it, i will start it as soon as i wake up and then go get ready that way its somewhat warm by the time i leave
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I usually let it warm up for a few minutes while I get ready to go out. Especially while at work when its covered in snow, I usually let it warm up while im scraping all the ice off the windshield.
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When it turns cold I start using my block heater. When I am on my 4 days off I can still be paged in at any time and want my engine warm so I can respond quickly.
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I usually don't wait for a warm-up. Just get in and go. I do tend to drive a little easier until the coolant gets up to temp.
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general rule of thumb, let it idle for 15 to 30 seconds to circulate the oil through the motor then drive sensibly until the motor is up to temp. the reason for not letting it idle longer than about 2 minutes is due to blow by, which is when the oil is seeping around the rings on the piston. the only motors I let idle for long periods are diesels but I would rather have it tached up to about 1200 rpm. gas engines especailly are not good to allow much idle time.
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Fire it up and go until it's below freezing. Then I send the kid out to start it 10 min or so before I leave, remote start for cheap ass parents. :lol:
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general rule of thumb, let it idle for 15 to 30 seconds to circulate the oil through the motor then drive sensibly until the motor is up to temp. the reason for not letting it idle longer than about 2 minutes is due to blow by, which is when the oil is seeping around the rings on the piston. the only motors I let idle for long periods are diesels but I would rather have it tached up to about 1200 rpm. gas engines especailly are not good to allow much idle time.
That's prolly why I have a gassy smell when I change the oil. (from the oil...not me) :lol: Airing up the tires takes about 15-20 minutes. Maybe I'll kick the idle up with the hand throttle when I air up.
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That's prolly why I have a gassy smell when I change the oil. (from the oil...not me) :lol: Airing up the tires takes about 15-20 minutes. Maybe I'll kick the idle up with the hand throttle when I air up.
short trips in cold weather add to that as well (oil smelling like gas) - mainly b/c is not up to temp.
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Most YJ's run really fat at idle, not a good idea to let them idle cold, I start it up and back it out and drive just off idle out to the main highway.
Dave
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Most YJ's run really fat at idle
Huh?
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Mine nearly sprays fuel on the ground at idle,
the trademark YJ black tailpipe is the result....
Every one I wheel with has the same symptom.
Run too rich/fat at idle.
Dave
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Most YJ's run really fat at idle
Huh?
I think he meant when the engine is cold, once at op temp they target 14.7AFR which is not rich at all - but so are all the other engines though, needs rich mixture when cold (and also right after startup there's no O2 info either until the sensor warms up).
Mine nearly sprays fuel on the ground at idle,
the trademark YJ black tailpipe is the result....
Every one I wheel with has the same symptom.
Run too rich/fat at idle.
Dave
that's condensation on the exhaust pipe most likely, would backfire if you had fuel dripping out. Jeeps won't grey out the tailpipe unless you are lean, as long as you pass smog your rig is operating within parameters - here (in BC, Canada) you get a printout comparing your vehicle's emissions with the average for all vehicles tested that were built in the same year, mine is right about where the avg is (they are showing min and max as well) and that includes cruising and idle measurements (not sure how the smog is performed south of the border but here they have something that resembles a dyno and they put the vehicle thru a test that resembles idling and driving starting from a full stop up to 55mph if i remember correctly).
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Huh?
I think he meant when the engine is cold, once at op temp they target 14.7AFR which is not rich at all - but so are all the other engines though, needs rich mixture when cold (and also right after startup there's no O2 info either until the sensor warms up).
that's condensation on the exhaust pipe most likely, would backfire if you had fuel dripping out. Jeeps won't grey out the tailpipe unless you are lean, as long as you pass smog your rig is operating within parameters - here (in BC, Canada) you get a printout comparing your vehicle's emissions with the average for all vehicles tested that were built in the same year, mine is right about where the avg is (they are showing min and max as well) and that includes cruising and idle measurements (not sure how the smog is performed south of the border but here they have something that resembles a dyno and they put the vehicle thru a test that resembles idling and driving starting from a full stop up to 55mph if i remember correctly).
down here there is no real emissions inspection for cars built prior to 96 model year, or obd2 to be more exact. we dont even have inspection stickers any more in nc. all they do for the obd2 cars and trucks is plug it in and make sure the emissions components are installed and functioning.
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Run too rich/fat at idle.
There you go, running rich I understand. Running fat? not so much.
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down here there is no real emissions inspection for cars built prior to 96 model year, or obd2 to be more exact. we dont even have inspection stickers any more in nc. all they do for the obd2 cars and trucks is plug it in and make sure the emissions components are installed and functioning.
Hey, another North Carolinian! Yeah, they did away with the stickers last year -- it's all computerized now. If a cop pulls you over he can know immediately whether your inspection is good or not before he even steps out of the car. I'm glad my Heep passes :uhoh:
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Hey, another North Carolinian! Yeah, they did away with the stickers last year -- it's all computerized now. If a cop pulls you over he can know immediately whether your inspection is good or not before he even steps out of the car. I'm glad my Heep passes :uhoh:
Yes sir! That and when your registration expires if its not inspected you cant renew it!!! at least thats the plan cause my jeep and tdi are not inspected but I will get it done just before the registration expires.
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There you go, running rich I understand. Running fat? not so much.
You just are not hanging around enough racers... :)
Fat comes over the radio better than rich and its a old motocross term.
Later.
Dave
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Now c'mon, I race. There's video of it around here somewhere. :lol:
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Well I've been racing (Cre Chiefing) since 1979 Started out Drag racng then motorcross, then road racing and dirt track, Karting, Mini Hydroplanes and even crewed on a Pylon racer... And as far as I can remember we always used fat for a rich mixture...
Maybe its a Pacific Northwest thing? no clue...
Ya do gotta be careful, one of my spotters used the term "she's a poorly running fat pig"
and the weight challenged spectator in front of him punched him in the nads.... :yikes:
Dave
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Ha! That's awesome! :roflol:
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Oh yea you have to imagine his voice, he's irish with a pretty heavy accent,
then the OOOOF "&%#$#@" as he hit the ground on the radio.... VOX can be bad....
:biggrin:
Dave