This discussion- irrespective of how informed or otherwise, all helps to add to the body of knowledge.
Until someone fronts up with back to back dyno graphs, and temp logs, heck even chuck some exhaust backpressure graphs in there, then you uneducated guess is as good as anyone elses. If you disagree- add to the data and put some cold hard figures out there. Go on, be a hero. For science.
IMO, if it weren't for people shootin' the breeze and throwing ideas and thoughts out there, there'd be no innovation in the world.
-Mitch
'El Burro' 2012 Defender 90.
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Perfectly sums up a Defender hey
as a recent de-cat recipient, i've graphed the performance differential here:
Capture.JPG
Much zoom.
Very wow.
-Mitch
'El Burro' 2012 Defender 90.
jokes aside, i am actually curious as to what my 90 is pushing out. Obviously it's too late to do a before and after on my vehicle.
But, if i stump up to take it for a ride on the dyno (std map and 170 for interests sake), can someone provide a standard (with cat) 2.2 graph?
I know it won't be an ideal comparison but surely it'll be indicative ?
You can see variations between dynos. Different programs that they use to calculate HP, correction factors etc.
Then atmospheric pressure, ambient temp, etc etc etc can come into play. Heck, even oil weight, engine machining tolerances would be throwing out inter-car results.
I think you'd find the variable you wish to measure will be lost amongst all the other factors at play.
But throw some data out there, I'd love to see it. A decent sample size of vehicles would give extra resolution to the conundrum.
-Mitch
'El Burro' 2012 Defender 90.
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You have the right to remain silent. Anything you say will be misquoted, then used against you.
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1999 Disco TD5 ("Bluey")
1996 Disco 300 TDi ("Slo-Mo")
1995 P38A 4.6 HSE ("The Limo")
1966 No 5 Trailer (ARN 173 075) soon to be camper
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