'02 Coupe M111 baseline Dyno - MBWorld.org Forums

Aug 3, 2003 | 06:32 PM

nukblazi

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From: Abingdon, MD

'02 Coupe M111 baseline Dyno

Well, here are the results from the DynoJet. The shop used a exhaust probe to measure the A/F Ratio which is appearently wrong.

Max Run

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'02 Coupe M111 baseline Dyno-basedyno-max.jpg

Aug 3, 2003 | 06:33 PM

nukblazi

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From: Abingdon, MD

Here are the numbers from the Max run.

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'02 Coupe M111 baseline Dyno-dyno-max-numbers.jpg

Aug 3, 2003 | 06:36 PM

nukblazi

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From: Abingdon, MD

and all four runs on the dyno on one graph... The shop owner and I were both surprised at how consistant each run was.

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'02 Coupe M111 baseline Dyno-basedyno-4.jpg

Aug 3, 2003 | 08:34 PM

midas888

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From: Southern California

C230

Very cool, now I'm looking forward to the dynos with mods! Keep up the good work.

Aug 4, 2003 | 01:28 AM

nukblazi

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From: Abingdon, MD

Thanks M-

Supposing all goes well tomorrow, the clutch will be in, and I will re-dyno Tuesday!

Aug 4, 2003 | 04:50 PM

Brandon @ Kleemann

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Re: '02 Coupe M111 baseline Dyno

Quote:

Originally posted by nukblazi
Well, here are the results from the DynoJet. The shop used a exhaust probe to measure the A/F Ratio which is appearently wrong.

Max Run

Nukblazi-

Its not so much wrong as it is inaccurate. Sampling at the tailpipe looks at spent gas that has been through the cat- which will effect its reading. Typically a MBZ cat will shift up about one full point on a DynoJet- EG: 13.7 : 1 at the tailpipe is 12.7 : 1 pre cat. Sampling before the cat will remove any doubt-

Once you do your modifications you can sample at the tailpipe again- just be sure the readings are the same or slightly richer. You are looking at the differential between stock and mod at this point.