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09-20-2009, 08:26 AM
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#1
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Join Date: Jan 2008
Location: Aberdeen,nc/columbus,nj
Posts: 1,449
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real stupid question
ok well its getting colder and the ac isnt going to be used in my z until spring/summer. i was just wondering if i were to pull the belt off the ac for now how much extra power would i really gain? i figured only a couple.
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Eric
07 Silverado 1500 5.3
01 Z28 6 speed
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09-20-2009, 10:22 AM
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#2
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Join Date: Mar 2009
Location: S. Orange
Posts: 140
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You'll get about 5-15 HP. However any AC guy that you talk to will tell you that running the AC during the winter from time to time is great insurance against leaky seals and stuck valves.
If your gonna remove your AC (Like I did on my Camaro) take it off for good. Most people remove the AC "system" for the weight savings not the parasitic loss.
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09-20-2009, 10:41 AM
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#3
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Join Date: May 2007
Location: Jim Thorpe PA
Posts: 2,132
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Actually I dont thing youll gain anything. When the a/c is not in use the pulley just spins like a idler, theres very little resistance there w/o the compressor clutch engauged.
And ur defroster will suck because it uses the ac system
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01 SS 383 stroker, Magnum F, 9in.
86 Trans-Am 355 t56
Last edited by B4C; 09-20-2009 at 12:16 PM.
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09-20-2009, 02:15 PM
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#4
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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Quote:
Originally Posted by B4C
Actually I dont thing youll gain anything. When the a/c is not in use the pulley just spins like a idler, theres very little resistance there w/o the compressor clutch engauged.
And ur defroster will suck because it uses the ac system
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- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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10-01-2009, 02:01 PM
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#5
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Join Date: Sep 2009
Location: North NJ
Posts: 95
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There is no parasitic loss when you arent running the AC. Leave it alone lol
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10-02-2009, 02:04 PM
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#6
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Join Date: Dec 2004
Location: Browns Mills NJ/ Rotondo West FL
Posts: 3,054
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You'll lose about 30 pds by removing the accessories..
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AI HCR 241's , Lunati 223/236 .615/.626 114+2 , Full Exhaust , Ported Fast 92 , Ported LS2 TB , Veraram , 85mm MAF , Circle D 4000 , 3.42's , GTP 36# , CSP Dyno tune. More on the way
420 HP/367 TQ on a Unlocked Converter & still climbing.
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10-02-2009, 05:14 PM
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#7
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Join Date: May 2007
Posts: 50
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when i took it out it felt like it revved up and down a little bit faster
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2000 trans am
blk on blk 6 speed t tops.
392/382-SOLD
87 turbo t WE4 "Rob Nouri"
girlded rebuilt 109 alky and some boost..
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10-02-2009, 09:27 PM
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#8
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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you wont gain anything pulling the belt off.
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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10-02-2009, 09:36 PM
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#9
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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One less belt to change.
 Gain.
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10-02-2009, 09:43 PM
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#10
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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And your defroster won't work as well.
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Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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10-02-2009, 10:24 PM
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#11
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Join Date: Jul 2009
Location: barnegat nj
Posts: 1,340
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Quote:
Originally Posted by BonzoHansen
And your defroster won't work as well.
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buy a 12v travel blowdryer 
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10-03-2009, 01:04 PM
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#12
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
Originally Posted by S.J.SLEEPER
buy a 12v travel blowdryer |
what would weigh more, the belt or blow dryer?
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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10-03-2009, 01:13 PM
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#13
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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The only advantage you are going to see is to remove any and all of the AC equipment. Thats all.
Its a weight loss move. Taking the belt off, not doing much.
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2/20/2013: They Day the ****s Stopped
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10-04-2009, 09:58 AM
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#14
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,213
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I ran without the AC belt for over a year and I definitely saw a small increase in gas milage(.5 mpg) so that should tell you there is some drag spinning that pulley. Even without the compressor engaged, it's a heavy pulley to be spinning for no reason. I never had any issues with the defroster in the winter, but it won't work as good. Obviously, that's not an issue if it's not a daily driver. I don't use AC but I put the belt back on so the defroster would work in the summer when it fogs up on rainy days. I bet there's a good 3-5 hp to be found.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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10-04-2009, 10:11 AM
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#15
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Join Date: Dec 2004
Location: Browns Mills NJ/ Rotondo West FL
Posts: 3,054
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Quote:
Originally Posted by BonzoHansen
And your defroster won't work as well.
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Mine works fine w/ no ac accesories...
__________________
AI HCR 241's , Lunati 223/236 .615/.626 114+2 , Full Exhaust , Ported Fast 92 , Ported LS2 TB , Veraram , 85mm MAF , Circle D 4000 , 3.42's , GTP 36# , CSP Dyno tune. More on the way
420 HP/367 TQ on a Unlocked Converter & still climbing.
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10-05-2009, 04:57 PM
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#16
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
Originally Posted by MonmouthCtyAntz
Mine works fine w/ no ac accesories...
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the ac dries the air making it clear the window faster. Yours may work fine, but it could be better...
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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