UMW STG3A ZC Breaks New Ground: Dyno Sheet
#32
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The question really isn't how much can they sustain, It's what RPM that they can sustain it too.. And I don't have answer to that question. Yet.. But from what I have seen so far it will be between 7400-7800 RPM..
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Originally Posted by KPG
... We are going to add a 9K rpm GT3RS crank with all the associated upgrades. ... It will lay the foundation for the TopSecret items brewing in the UMW SkunkWorks...STG4
Kevin
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Originally Posted by Kevin
The question really isn't how much can they sustain, It's what RPM that they can sustain it too.. And I don't have answer to that question. Yet.. But from what I have seen so far it will be between 7400-7800 RPM..
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Stage 4 does require new "special" turbochargers.. Please note that Stage 4 is in the development/engineering stage it's process. I think that KPG reference was to the hearty rev happy GT3R crankshaft, or the ability of the crankshaft.
The future Stage 4 kit requires crankshaft oiling solutions. And crankcase support. If KPG was ever to step up to Stage 4 he would have to tear into his engine to address these issues. He felt that this was the time to do it. Spend the money once..
The future Stage 4 kit requires crankshaft oiling solutions. And crankcase support. If KPG was ever to step up to Stage 4 he would have to tear into his engine to address these issues. He felt that this was the time to do it. Spend the money once..
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Originally Posted by Geoffrey
I don't have one of those engine dynos where you use quarter square paper and a pencil to plot the dyno curve...
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Originally Posted by TB993tt
Keep saving Geoffrey
Unfortunately you won't get any nice chassis dyno numbers out of one of these
![](http://forums.rennlist.com/upload/dynopic_copy1.jpg)
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Originally Posted by KPG
TB, I would love to see your collection of engine dyno pics, since everytime a chassis dyno is mentioned you have a new photo of one....Impressive, indeed
Kevin
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Here is "one of those engine dynos where you use quarter square paper and a pencil to plot the dyno curve..."
![](http://forums.rennlist.com/upload/porschedyno1.jpg)
Guess who's cr&p engine dyno this is ?
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Stummel,
The graph is for a factory 2.14 935 in 1980. Page 287 Paul Frere , 911 story.
20 years on ,an engine dyno data aquisition sytem would produce something a little more detailed !!
Geoff
The graph is for a factory 2.14 935 in 1980. Page 287 Paul Frere , 911 story.
20 years on ,an engine dyno data aquisition sytem would produce something a little more detailed !!
Geoff
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I bet there were dozens and dozens of pages of precise engine datalogs backing those rudimentary two lines, for the 935 to have been the success that it was. My engine dyno lines were just as fugly, yet nicer ones wouldn't have made my car any faster!
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