Jusnes underdrive pully's
#1
#2
#3
Unless you need a lot of alternator amps at idle. I'm taking mine off and selling it. Even with a 1.875" alternator pulley, I have too little with the winch and e-fan.
With the stock pulley and the small alternator pulley, I should be good.
It does make a difference though. Not looking forward to going back, but I need to to meet my electrical needs. I bought a 200 amp large case 3G alternator, but even they need a bit more revs at idle to really put out.
With the stock pulley and the small alternator pulley, I should be good.
It does make a difference though. Not looking forward to going back, but I need to to meet my electrical needs. I bought a 200 amp large case 3G alternator, but even they need a bit more revs at idle to really put out.
#6
if you dont have a tuner, GET ONE, haha. that should be anyones first mod IMO, it will compensate for any other mods you may do, and changing the idle would require hitting a few buttons, heh.
but youre right john, for every mod there is always some consequence. you just have to decide if the trade off is worth it. on my F150 i did the ASP pulleys and bumped my "drive idle" to 850 rpm, and never have any problems at all.
but youre right john, for every mod there is always some consequence. you just have to decide if the trade off is worth it. on my F150 i did the ASP pulleys and bumped my "drive idle" to 850 rpm, and never have any problems at all.
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#19
Well i put the pully in about 4 day's ago and i ran through a tank of gas and well the milage is up! I got a extra 30 miles a tank! and i think there is more power but i cant realy tell. well heres some pic's i took to show the diffrence of the pully's.
Thanx Mr.Jusnes
Ps. Still waiting on sticker's!
Thanx Mr.Jusnes
Ps. Still waiting on sticker's!
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alexvillarreal17
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09-27-2010 11:02 PM