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Ok... this is silly, but has anyone done a baseline dyno with the AC on?

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Old Jun 26, 2003 | 11:36 AM
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Default Ok... this is silly, but has anyone done a baseline dyno with the AC on?

Reason I ask is, my air conditioner beats the **** out of my car it seems. I realize the ITR's power is all in the higher RPM band, but I can really tell when the compressor engages/disengages itself as my entire car stalls forward like I'm downshifting when I'm cruising in the low RPM ranges with the air conditioner on. How much HP does the A/C sap from the engine in the ITR? I figure my car is doing this because the engine produces so little power under 3k RPM that the AC kicking on and off is very noticable... I've just never driven a car that was this bad when the compressor turns on and off (Almost makes me wonder if there's something wrong with my engagement mechanism.)
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Old Jun 26, 2003 | 11:42 AM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (io_burn)



doesn't the a/c automatically shut off at WOT???
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Old Jun 26, 2003 | 11:43 AM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (Hybrid ctr)

A/C sucks at low RPM's as far as robbing power.

But Hybrid ctr is right......
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Old Jun 26, 2003 | 11:43 AM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (Hybrid ctr)

rev-matchign is a bitch w/ the AC on.....the RPMS drop like an anvil once the clutch is disengaged
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Old Jun 26, 2003 | 11:45 AM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (Hybrid ctr)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Hybrid ctr &raquo;</TD></TR><TR><TD CLASS="quote">

doesn't the a/c automatically shut off at WOT???</TD></TR></TABLE>

I'm pretty sure it does, it's just a very very weird feeling when you're driving along at a constant speed/rpm and then the compressor kicks on and slows the car for for a half a second
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Old Jun 26, 2003 | 11:54 AM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (io_burn)

My car feels indentical to what you are describing...only it's not an R

My H22 bogs horribly w/the AC, Perhaps it's the 8.5lb flywheel...You would think the H22 wouldn't be so bad, being bigger displacement and all.

I'm almost positive AC does not disengage at WOT in my car..I thought that was only in GM's...ala Camaro/Firebird??
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Old Jun 26, 2003 | 11:54 AM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (dsludefosho)

A/C sucks anyways.

And I noticed the same feeling on the highway on monday, me and brewcityR were 'whoa-ing' about it. Big power-robber.
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Old Jun 26, 2003 | 12:06 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (Chris N)

i love my a/c and it is kinda annoying the your car lags a lil when its on but who cares. when you're cool you're cool.
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Old Jun 26, 2003 | 12:14 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (SpooGen PwR)

whats a/c? oh that thing used to keep your legs cool while wearing SKIRTS you pansies just playing. I did not know the AC shuts off at WOT
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Old Jun 26, 2003 | 12:24 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (RTW DC2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RTW DC2 &raquo;</TD></TR><TR><TD CLASS="quote">whats a/c? oh that thing used to keep your legs cool while wearing SKIRTS you pansies just playing. I did not know the AC shuts off at WOT </TD></TR></TABLE>

Hahaha, yes, the cool air blowing up my skirt keeps my ***** dry on hot summer days
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Old Jun 26, 2003 | 12:25 PM
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Anyone have confirmation of the A/C shuting off @ WOT? Is this controlled by the ECU? Is it the ITR ECU specific or all Honda ECUs in generall (aka will going OBDI ***** joo over)...if this is true itI may just put it back in, seeing as how I might be moving to FL. it would be nice..
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Old Jun 26, 2003 | 12:25 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on?

A/C ownz!

I wouldn't care if it took 50 hp to run the damn thing, it's staying.

In fact, I've often wondered about getting something with a 454 just so I could strap two compressors on it. Ahhhh, air conditioning.

Living in Texas does strange things to a person.
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Old Jun 26, 2003 | 12:29 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (01-1293)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 01-1293 &raquo;</TD></TR><TR><TD CLASS="quote">rev-matchign is a bitch w/ the AC on.....the RPMS drop like an anvil once the clutch is disengaged</TD></TR></TABLE>

Glad to hear I'm not the only 1 that notices this.
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Old Jun 26, 2003 | 12:44 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (io_burn)

On my EP3, the a/c kick (and overall power drain) isn't nearly as bad as it was on my ITR back when it had a/c. I guess Honda found a way to improve it. I wonder if it is any lighter though.
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Old Jun 26, 2003 | 12:50 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (Chris N)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Chris N &raquo;</TD></TR><TR><TD CLASS="quote">... me and brewcityR were 'whoa-ing' about it. Big power-robber.</TD></TR></TABLE>

wh0a!
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Old Jun 26, 2003 | 12:51 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (RTW DC2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RTW DC2 &raquo;</TD></TR><TR><TD CLASS="quote">whats a/c? oh that thing used to keep your legs cool while wearing SKIRTS you pansies </TD></TR></TABLE>


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Old Jun 26, 2003 | 12:53 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (Gong Show)

thumbup all you want, all i know is i drove a car with no A/C and power steering for one chicago summer and it was all i could take. i am NOT down with driving home in 100+ degree weather with a stripe of sweat on my shirt where my seatbelt was.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Gong Show &raquo;</TD></TR><TR><TD CLASS="quote">


</TD></TR></TABLE>
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Old Jun 26, 2003 | 12:56 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (ajchen)

I NEVER use A/C unless a passenger won't stop bitching. (i.e., girlfriend or double A)
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Old Jun 26, 2003 | 01:04 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (ajchen)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ajchen &raquo;</TD></TR><TR><TD CLASS="quote">thumbup all you want, all i know is i drove a car with no A/C and power steering for one chicago summer and it was all i could take. i am NOT down with driving home in 100+ degree weather with a stripe of sweat on my shirt where my seatbelt was.

</TD></TR></TABLE>

mid 90's, 70 degree dewpoint, and ozone alerts here in NY today, A/C what?
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Old Jun 26, 2003 | 01:07 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (ajchen)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ajchen &raquo;</TD></TR><TR><TD CLASS="quote">thumbup all you want, all i know is i drove a car with no A/C and power steering for one chicago summer and it was all i could take. i am NOT down with driving home in 100+ degree weather with a stripe of sweat on my shirt where my seatbelt was.

</TD></TR></TABLE>

Stop being a puss sucka

Try driving a old 90 civic hatch with vinyl seats without A/C. Then you tell me about some sweat. I just take off the shirt and so the ladies what the muscles look like...

Oh how I wish I still had that hatch And the only reason I waish I had A/C on the way and back from Gingerman was for my doggie...
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Old Jun 26, 2003 | 01:13 PM
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Default Re: Ok... this is silly, but has anyone done a baseline dyno with the AC on? (Gong Show)

My old CRX had the best A/C system... whereby 'best' I mean 'most ghetto.' If you wanted to run the AC, you went to Pep Boys, bought one of those little cans of refrigerant for $5, put it in, and you could have cold air for about 3 days
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Old Jun 26, 2003 | 01:13 PM
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Wouldn't a set of AEM pulleys help a bit with the power loss?
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Old Jun 26, 2003 | 01:19 PM
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Default Re: (Integrity)

damn, you guys are absolutley right about this... with the AC on, my car feels like a SOHC civic
oh well, whenever I need to get going, I just downshift AND push the AC button
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Old Jun 26, 2003 | 01:23 PM
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Default Re: A/C and Underdrive Pulley

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Integrity &raquo;</TD></TR><TR><TD CLASS="quote">Wouldn't a set of AEM pulleys help a bit with the power loss?</TD></TR></TABLE>

I'd say "yes".

I don't get so much loss at driving speed with an Unorthodox crank pulley. Of course, the A/C doesn't work at idle, either (but, neither does the alternator ).

And to all you he-men that don't need A/C: good for you! I live in the fricking desert, ok? I love it. Of course, if I'm stuck at a light or in traffic, I need to rev to 1500rpm or so to keep the compressor working...
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Old Jun 26, 2003 | 01:50 PM
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Default Re: A/C and Underdrive Pulley (ITR 98-0652)

I accidentally left my A/C on during a dyno run and back to back with the previous run I showed a 5-6 whp loss.
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