C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe
View Poll Results: What Are Your Fuel Settings?
Base
8
61.54%
Stage 1
0
0%
Stage 2
5
38.46%
Stage 3
0
0%
Voters: 13. You may not vote on this poll

Fuel Settings with Pulley

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Old 03-22-2003, 10:33 PM
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2010 C300 4matic
Fuel Settings with Pulley

Well, as I was figuring out the tunnel mode for you guys today, I decided to set my fuel setting back to base. I previously had it on stage 2. Buellwinkle, I know you did this recently.

But I was just wondering where pulley owners have them set. If you haven't changed it, then you are on base.

For those on base setting, any problems? I drove about 10 miles with it so far, and I couldn't really "feel" any gain in power. But it certainly didn't lose power. Buell, how is yours doing? Still on base? Do you get better gas mileage this way?

I think I will leave it on base for a while unless there is a good reason not to. It seems that even Kleemann has said that this is okay and it only runs lean at idle and WOT, right?

Thanks.
Old 03-22-2003, 11:41 PM
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Stage 2 = 12 1/2 HP loss
Stage 3 = 17 HP loss

Your choice!
Old 03-23-2003, 12:58 AM
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can i assume that stage 1 also incur loss over base stage?
Old 03-23-2003, 06:38 AM
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2002 C230 Coupe(M111)
Re: Fuel Settings with Pulley

Originally posted by Matt230K

I think I will leave it on base for a while unless there is a good reason not to. It seems that even Kleemann has said that this is okay and it only runs lean at idle and WOT, right?

Thanks.
At WOT throttle, yes. But at idle I don't think so.
Old 03-24-2003, 07:22 AM
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01 C200 Kompressor, 02 C32 AMG
When I dynoed the car a few weeks after I installed the pulley, the car was running quite lean on normal crusing speed (I believed it was 13.9:1) and richer during WOT (12.9:1). The measurement was taken at the exhaust tips.
That was on base setting, now I've got my car running at stage 2, can't really tell if there's any power loss, but I felt that my car just slightly more responsive...maybe I'm just bias coz of the fuel setting change.
Old 03-24-2003, 08:24 AM
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Mercedes C200K Coupe
ummm... whats my fuel setting? should I change it?

thx
Old 03-24-2003, 08:29 PM
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2002 C230 Coupe(M111)
Originally posted by darkfact
ummm... whats my fuel setting? should I change it?

thx
Just stop reading right now.
Old 03-24-2003, 08:54 PM
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Originally posted by Outland
Just stop reading right now.
Kids these days....
Old 03-25-2003, 01:53 AM
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Originally posted by bajaiman
When I dynoed the car a few weeks after I installed the pulley, the car was running quite lean on normal crusing speed (I believed it was 13.9:1) and richer during WOT (12.9:1). The measurement was taken at the exhaust tips.
That was on base setting, now I've got my car running at stage 2, can't really tell if there's any power loss, but I felt that my car just slightly more responsive...maybe I'm just bias coz of the fuel setting change.
You can't get an accurate measurement at the exhaust tips. It has to be taken before the exhaust gets to the catalytic converter.
Old 03-25-2003, 07:52 AM
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01 C200 Kompressor, 02 C32 AMG
Originally posted by Lynn
You can't get an accurate measurement at the exhaust tips. It has to be taken before the exhaust gets to the catalytic converter.
If the reading is taken just before the cat, would the ratio be richer or leaner compared to the reading taken at the exhaust tips?
Old 03-25-2003, 10:16 AM
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Normally the reading before the cat will be between .6 an 1.0 (as in 13.0:1 compared to 14.0:1) richer.

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