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View Full Version : Horsepower Gains W/ Removal of A/C

Mich88XJ
June 10th, 2003, 19:05
I was wondering what the power and mileage gains are from removing the A/C on an 88. Mine needs recharging (I think) and I am going to school in about the farthest northern town of the upper peninsula of Michigan, so I won't be needing it all that much. If I do remove it, other than a shorter belt, is there anything else I might need, or problems I may run into? Thanks, Chris
ChuckD
June 10th, 2003, 19:13
If you don't need the AC, make it into an On Board Air setup, I live in Fresno, TOOOO HOT!!! with out AC.
Mich88XJ
June 10th, 2003, 19:18
Do you know of any sites that show how to do this? I thought about this and mentioned it to my cousin, he said he would be happier with the extra horsepower from no A/C. I want on board air though, what would be the cost?
FatXJ
June 10th, 2003, 21:32
http://www.off-road.com/jeep/cherokee/2001/05_may/onboard-air/onboardair1.html

I am waiting to do mine right now! I have all the parts sitting in my basement but I have more pressing issues to attend to. I will show you mine if and when I get it on.

Taking the A/C off doesn't give you any power gains, because when the A/C isn't on the clutch isn't engaged.
red87cherokee
June 11th, 2003, 10:04
Originally posted by FatXJ
[url]Taking the A/C off doesn't give you any power gains, because when the A/C isn't on the clutch isn't engaged. And, if you are traveling at highway speeds during hot weather (I know you said you were going to be in UP Michigan, so this might not matter) the a/c has less effect than opening up all your windows.
Static-XJ
June 11th, 2003, 12:45
And if I remember the belt routing correctly you'd need to use an idler in place of the ac pulley anyways to keep the belt in contact with the other pulleys (alternator and fan I think).
TOZOVR
June 11th, 2003, 12:53
Originally posted by Static-XJ
And if I remember the belt routing correctly you'd need to use an idler in place of the ac pulley anyways to keep the belt in "nntact with the other pulleys (alternator and fan I think).

Correct and thdre (p Little parsitic loss when the AC is off....so just keep it turned off...till your windows fog up in the winter...then just crank it on for a bit;)
MudDawg
June 11th, 2003, 17:09
The compressor when operating uses between 4 to 6 HP if memory serves me..but it only uses a fraction of that when turned off..it also serves to dehumidify the air during defogging use..I wouldn't take it off..but then again..I'm from Florida. Nice to roll up the windows and go get muddy without getting hot.