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Old 25 July 2003, 02:57 PM
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messiah
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can someone please explain why the dyno-graph readouts on this site can show a classic uk scoob turbo with no modifications recording up to 238bhp when the official figures are only 218bhp?
Old 25 July 2003, 03:05 PM
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dnb
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acccuracy of dyno measurements / build tolerances in the engine / weather conditions...

The list is quite long and the few I gave aren't exhaustive.

Car manufacturers have to be a little conservative with performance figures - the quoted figure is probably an average found during testing of new engines, or a Subaru engineer's educated guess...

Also, depending on weather conditions / the operator etc. dyno results can be subject to errors in measurement.
Old 25 July 2003, 03:06 PM
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Gidney&Knowlesy
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Variance in rolling roads.......
Conditions, hot vs damp
Fuel 97 vs 100
Old 25 July 2003, 05:31 PM
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john banks
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Optimistic dynos.




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