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anyone elses car run like shit in this heat?

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Old 06-30-2005
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anyone elses car run like **** in this heat?

cold air or not, with the a/c off even the car feels like its got 50 HP !! whats up with that? been 90+ for 3 weeks with 80% humidity.
Old 06-30-2005
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mine does. I did the tb heater bypass and it helped a bit but not much.
Old 06-30-2005
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Warm air is less dense than cold air this causes the ECU to add less fuel all cars run worse in hot weather.
Old 06-30-2005
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ya mine runs bad but still decent enough. In winter tho that's almost 10whp increase so yea its a big difference.
Old 06-30-2005
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all cars suffer power loss in hot and/or humid weather. and your A/C does take up some horsepower so it'll make you feel a bit slower. (unless you floor it, then it won't make a difference)
Old 06-30-2005
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Originally Posted by S2000man01
(unless you floor it, then it won't make a difference)
I tried something recently with the A/C. I put it on from the stoplight, floored the throttle untill 4500rpm at which point I turned the A/C off. The result? A V-tech-like pull from the car which has no V-tech... Try it, it's fun
Old 06-30-2005
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Yeah the car feels like it running through mud.
Old 06-30-2005
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Originally Posted by S2000man01
(unless you floor it, then it won't make a difference)
what is the theory on that??
Old 06-30-2005
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Originally Posted by bgoetz
what is the theory on that??
on some newer cars the a/c automatically shuts off at wot.
Old 06-30-2005
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Originally Posted by 2blu
on some newer cars the a/c automatically shuts off at wot.
Is that the case on 7thgens??
Old 06-30-2005
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The car runs like crap, well, like more crap, but its still fast enough for me to get my first speeding warning.
Old 06-30-2005
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Originally Posted by bgoetz
Is that the case on 7thgens??
I've never heard that...very interesting.
Old 06-30-2005
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yes the ac turns off if you floor it at least my auto does that.
Old 06-30-2005
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Guys, don't forget to check the blinker fluid!!! That could lose some hp right there.

Seriously? I never knew about the AC thing...
Old 06-30-2005
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Originally Posted by thegent
I tried something recently with the A/C. I put it on from the stoplight, floored the throttle untill 4500rpm at which point I turned the A/C off. The result? A V-tech-like pull from the car which has no V-tech... Try it, it's fun
yeaaahhh...keep doing that and see what happens to ur compressor....
Old 06-30-2005
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dont know. i live in cali and the average days are about high 70s and low 80's
Old 06-30-2005
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I thought mine was running like crap earlier today, turns out I didn't realize my low-fuel light has been on for God knows how long, I'd gone almost 500 miles on the tank of gas before I ran out today.
Old 06-30-2005
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Originally Posted by AzNTiG3R
yeaaahhh...keep doing that and see what happens to ur compressor....
the compressor does it every time you floor the car, so he's not going to hurt anything.

on current model hondas, if the ECU detects WOT, it disengages the compressor so there is no power loss. so if you race with the AC on it won't matter, since it's turned off when you floor it anyways.
Old 06-30-2005
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Originally Posted by bgoetz
what is the theory on that??
as stated above.
Old 06-30-2005
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Yeah, mine always runs crappier in the summer, especially since it's the TX heat...

Since the A/C does tend to rob some of the car's power, I think I tend to lean into the gas pedal a bit more, so my mileage tends to suck in the summertime, too. Ah, well...fall will be here eventually...
Old 07-01-2005
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i never use my ac... maybe I should take it out...
Old 07-01-2005
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my a/c doesnt turn off at WOT
Old 07-01-2005
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i dont think the indicator will turn off, i just think it shuts the compressor down.

thats just an educated guess, i have no idea.
Old 07-01-2005
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my car runs perfectly fine. and im blasting the AC.
Old 07-01-2005
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hahaha... someone didn't like my blinker fluid joke.

I was going to ask is it better to keep the ciruclating air or let the outside air come in when you've got the ac going? Does it affect the performance at all? On really hot days, I just turn on the orange little car button.
Old 07-01-2005
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The A/C won't turn off at WOT - the compressor clutch disengages. This causes a slight increase in perceived power at the wheels as the parasitic effect of the A/C is eliminated.

Turning the A/C off and on without waiting a few minutes in between will blow your compressor prematurely.
Old 07-01-2005
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its fine but switch it to fresh air and leave the vent open when you're done or mildew will start smelling.
Old 07-01-2005
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Originally Posted by Maurizio
The A/C won't turn off at WOT - the compressor clutch disengages. This causes a slight increase in perceived power at the wheels as the parasitic effect of the A/C is eliminated.

Turning the A/C off and on without waiting a few minutes in between will blow your compressor prematurely.
i agree.

"turn off" isn't exactly the correct term for the WOT disengaging the compressor. but in layman's terms, they understand.
Old 07-01-2005
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Originally Posted by S2000man01
the compressor does it every time you floor the car, so he's not going to hurt anything.

on current model hondas, if the ECU detects WOT, it disengages the compressor so there is no power loss. so if you race with the AC on it won't matter, since it's turned off when you floor it anyways.
But aren't you pretty much jerking the engine when u turn off the AC while driving, esp hard? Of all ppl, i'd expect u, an s2k owner, to know that

Last edited by AzNTiG3R; 07-01-2005 at 08:48 PM.
Old 07-01-2005
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no the only thing you could be hurting is the compressor if you turn it off and on several times like that.

if you have the pedal floored, the compressor is already disengaged so turning it off with the button while the car is floored doesn't do anything to the engine, nor does it give you any more power.


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