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post #1 of 3 (permalink) Old 04-24-04, 10:08 PM Thread Starter
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How much effect would a slipping clutch (pressure plates) have on dyno for NA XR6?

I was just wondering if having had buggered pressure plates in my BA NA XR6 would have affected its dyno results? I realise it loses a fair bit of power at the rears on the road (I know this for a fact, especially the last week) but does this translate to dyno results? Basically I am curious as to whether my current dyno results (with slipping clutch) are accurate or should I get it dynoed again after the clutch is fixed?

I mean, it's not like I have a heap of power in the NA to start with, so finding a bit more would be nice!

Thanks

Jac


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post #2 of 3 (permalink) Old 04-25-04, 06:52 AM
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Re: How much effect would a slipping clutch (pressure plates) have on dyno for NA XR6?

The simple answer to all of your questions is "yes". Depending on how bad the cluth is slipping you could be losing 10-30%.
Think about what it is doing on the road and then translate that to the dyno, which is really a rolling road.

You are where you are doing what you should be doing, or should you be somewhere else doing something else?
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post #3 of 3 (permalink) Old 04-25-04, 07:19 AM Thread Starter
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Re: How much effect would a slipping clutch (pressure plates) have on dyno for NA XR6?

Quote:
Originally Posted by Snake8
The simple answer to all of your questions is "yes". Depending on how bad the cluth is slipping you could be losing 10-30%.
Think about what it is doing on the road and then translate that to the dyno, which is really a rolling road.
Yeah, I thought so.... I mean I know it is kinda the same as being on the road, but I thought the dyno would somehow compensate for that. It is slipping constantly though, even when gear changes are way passed..... I can really feel the loss in power on the road, it has gone down hill really fast lately too - a few weeks ago I could only pull level with an auto AU, but now I reckon I wouldnt even come close to doing that even.... I can actually feel the engine wanting to do things that are not coming out at the wheels.

I am not sure how bad the clutch was when it was on dyno though, so who knows.... but at least it should have a bit more power once the thing is fixed!

Cheers

2003 BA NA XR6, Silhouette, manual, sunroof, premium audio, alarm, window tint, scuff plates, Navman (in TIMEOUT (tm))
JMM DEV3 BA kit
Unichip
Extractors
2.5 inch cat
2.5 inch exhaust
Air intake conversion/pod
Performance plugs
170.0rwkw
14.80 @ 95.33 mph

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Founder Society Against Stupid SMS Language
O.F.R. # 138
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