High idle opinion
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Junior User
Joined: Sep 2010
Posts: 55
Likes: 0
From: Summerville SC
High idle opinion
Yea just another question from the "new guy". I was wondering what people thought about the high idle mod. I am leaving for the big sand box in the east and i am leaving my truck with my fiancee. It gets about -20 or -30 in the winter here at times and i was wondering if it would be a good mod to do for her this winter and every winter to follow.
Postmaster
Joined: Mar 2007
Posts: 2,612
Likes: 2
From: Dunwoody, GA
Is she going to be driving it around and letting it idle? If so then yes.
Is she going to start it up every so often and let it idle to move some fluids around? If so then yes.
Just make sure it's not done immediately upon start up. Let the computer idle up the motor on it's own then kick in the high idle.
Just FYI, these engines have a built in high idle. When the motors are cold and idling they will idle up quite a bit.
Is she going to start it up every so often and let it idle to move some fluids around? If so then yes.
Just make sure it's not done immediately upon start up. Let the computer idle up the motor on it's own then kick in the high idle.
Just FYI, these engines have a built in high idle. When the motors are cold and idling they will idle up quite a bit.
Logistics Pro
Joined: May 2004
Posts: 3,612
Likes: 883
What he said.....although the truck does have a high idle, it will never reach the 1250RPM mark that the "manual" high idle mod will give you. It is not very difficult to do and if your truck came with upfitter switches already installed (4 switches built into your ashtray area) then it is that much nicer looking. If not then it is very simple to add a switch.
Posting Guru
Joined: Jan 2009
Posts: 1,321
Likes: 0
From: Mattawa Washington.
What he said.....although the truck does have a high idle, it will never reach the 1250RPM mark that the "manual" high idle mod will give you. It is not very difficult to do and if your truck came with upfitter switches already installed (4 switches built into your ashtray area) then it is that much nicer looking. If not then it is very simple to add a switch.
Cargo Master
Joined: Dec 2007
Posts: 2,196
Likes: 120
From: Carstairs Alberta
no real biggie, turn switch on start truck and walk away, or like me. switch on when you park and use command start. if you actually try it you will notice it prob takes at least 5 seconds after it runs before it spools up. yes it is revving up fairly quickly pretty soon after startup but in a no load situation thats ok
Logistics Pro
Joined: May 2004
Posts: 3,612
Likes: 883
Not to start a debate but.........................I disagree with what nitrogen said in regards to letting it go right to a high idle immediately upon startup....if that is what indeed what he meant....IMO you should atleast let it gain oil pressure at the low idle and run for a minumum of 30 seconds to 1 minute so things in the engine get lubricated and begin to warmup....just my opinion.
Cargo Master
Joined: Dec 2007
Posts: 2,196
Likes: 120
From: Carstairs Alberta
you have to remember our engines have to have significant oil pressure before they even attempt to fire. on my 05 doing exactly what Joe thinks i suggested, there is a noticable delay between the engine firing and actually revving up. keep in mind I run 5w40 synthetic which has good cold flow characteristics, and that i operate 600 horse cats which low idle at 1400 rpm and cat doesn't feel thats a problem even on cold starts. they do say to let it warm up before you start putting a load on it. ford itself suggests that 1 minute or less is adequaete warm up time if you drive moderately. if thats all you need before driving my thinking is that less would be ok just for high idling
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Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
Not to start a debate but.........................I disagree with what nitrogen said in regards to letting it go right to a high idle immediately upon startup....if that is what indeed what he meant....IMO you should atleast let it gain oil pressure at the low idle and run for a minumum of 30 seconds to 1 minute so things in the engine get lubricated and begin to warmup....just my opinion.
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