6 Speed W/ The A/c On!

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Jul 8, 2006 | 12:02 AM

allmee

Thread Starter

Racer

Joined: Dec 2005

Posts: 431

Likes: 0

From: North Las Vegas Nevada

6 Speed W/ The A/c On!

I dont really have a problem, but rather just wanted to vent a little. I cannot stand driving my M6 with the AC on. I guess from varying engine temps, sometimes the rpm's drop down real quick and sometimes the rpm's hang before dropping down. This amounts to a hell of a time trying to get smooth shifts. At least with the AC off, rpm's drop cosistently. And lucky me lives in Vegas, where you need the AC on a whole lot in the summer

Jul 8, 2006 | 12:23 AM

mrC5er

Racer

Joined: Dec 2005

Posts: 407

Likes: 2

From: Mesquite, Texas

I don't have problems so much with the shifts, but rather the starts. Kinda need to be mindful that it needs a little more go-pedal to keep from lugging, or worse, stalling it. Nothing more "impressive" than to dump the hammer a little too quick, and then doing a panic re-start. ("I meant to do that...")

Jul 8, 2006 | 12:29 AM

JTS97Z28

Melting Slicks

Joined: Nov 2003

Posts: 2,898

Likes: 5

From: Plainfield, IL

Hummm I have a manual and use my a/c a lot. Im not understanding what you guys are talking about. I never really noticed anything like this.

Jul 8, 2006 | 12:32 AM

Threed

Burning Brakes

Joined: Apr 2003

Posts: 1,140

Likes: 0

From: GOCC - Rebels Without A Clue Santa Barbara, CA

It's all in the tune.

Jul 8, 2006 | 01:04 AM

mrC5er

Racer

Joined: Dec 2005

Posts: 407

Likes: 2

From: Mesquite, Texas

Quote:

Originally Posted by JTS97Z28

Hummm I have a manual and use my a/c a lot. Im not understanding what you guys are talking about. I never really noticed anything like this.

We're just saying that with the a/c on, the compressor is placing a little more load on the engine. Old guys like me need to give it a little more loud pedal or else you get some mild drivetrain shudder.

Jul 8, 2006 | 02:06 AM

DDNZ06

Le Mans Master

Joined: Feb 2006

Posts: 5,083

Likes: 35

From: Chicago IL

I have this problem to. Even noticed it on my WS-6..

Jul 8, 2006 | 12:13 PM

VetterGetIt

Drifting

Joined: Jun 2006

Posts: 1,997

Likes: 0

From: Clanton AL

Yeah, I've noticed it too.

Jul 8, 2006 | 12:15 PM

allmee

Thread Starter

Racer

Joined: Dec 2005

Posts: 431

Likes: 0

From: North Las Vegas Nevada

Quote:

Originally Posted by mrC5er

Actually, the drag from the AC is'nt what I am talking about. What I mean is that the engine reacts differently at certain times with the AC on. I am pretty sure this has something to do with engine temps. If the engine reacted the same all the time with the AC on, that would be fine by me.

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Jul 8, 2006 | 01:36 PM

JC in XTC5

Drifting

Joined: May 2000

Posts: 1,917

Likes: 3

From: Southern NH

Never noticed a problem with mine.

Jul 8, 2006 | 02:14 PM

#10

Lovin It!!! - C5

Racer

Joined: Oct 2005

Posts: 351

Likes: 0

From: Haw River North Carolina

Quote:

Originally Posted by JTS97Z28

Hummm I have a manual and use my a/c a lot. Im not understanding what you guys are talking about. I never really noticed anything like this.

I have a 2000 M6 and also have had no issues with RPM varying with the AC on.

Might want to have your car checked.

Jul 8, 2006 | 02:38 PM

#11

allmee

Thread Starter

Racer

Joined: Dec 2005

Posts: 431

Likes: 0

From: North Las Vegas Nevada

Quote:

Originally Posted by Lovin It!!! - C5

I have a 2000 M6 and also have had no issues with RPM varying with the AC on.

Might want to have your car checked.

What I am reffering to is not that big of a deal. Most of the time there is no problem. If I shut down for a gas stop or to the gym, when I restart, maybe 1/2 hour later, this happens for a few shifts. I know everybody drives and shifts differently & at different RPMs also, which may play a part. My Mustang GT used to drive me crazy also cause the AC compressor would kick on & off often, causing the same types shifting annoyances, for me anyway. I like to have velvet shifts all the time.

Jul 8, 2006 | 10:39 PM

#12

LoneStarFRC

Team Owner

Joined: May 2001

Posts: 36,836

Likes: 244

From: Dear Karma, I have a list of people you missed.

St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16

Only one sure fire remedy. WOT all the time!

Jul 9, 2006 | 12:35 AM

#13

vetterlatethannever

Race Director

Joined: Dec 2003

Posts: 12,599

Likes: 1

From: Texas

Quote:

Originally Posted by Threed

It's all in the tune.

Aftermarket tune here and my car acts haywire sometimes. I hate when it stalls out

Jul 9, 2006 | 12:52 AM

#14

allmee

Thread Starter

Racer

Joined: Dec 2005

Posts: 431

Likes: 0

From: North Las Vegas Nevada

Quote:

Originally Posted by LoneStarFRC

Only one sure fire remedy. WOT all the time!

Oh yeah!!

I need to do more of that!

Jul 9, 2006 | 11:41 AM

#15

craig04c5

Melting Slicks

Joined: Jan 2004

Posts: 3,012

Likes: 15

From: Jensen Beach FL

I don't think it's a temperature issue. If anything mine runs a bit cooler with the AC on. The fans come on with the AC on and I have actually put the AC on to bring the temps down in heavy stop and go traffic but I do notice a difference when driving with it on.