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Ian Harrison
Joined: 23 Nov 2006
Posts: 1670
Location: United Kingdom (Great Britain), Manchester
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 Posted: Tue Sep 18, 2012 2:18 am Post subject: What a Difference a Set of Pipes Make!! |
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Hi Guys
Just for fun!!
This is the dynograph for a 2003 FPE updated in 2009 by FPE (wedge cranks, 2009 cylinders, PVL Ign, 2009 FPE pipes), just tickled and rebuilt by us. For a laugh we put on a set of age old Merlin pipes used by Martin Hines "back in the day". God knows exactly when, but I mean OLD!!!!! Guess which run is which?? No prizes for this one.
In fairness, we just stuck the pipes on. No efforts were made to optimise for them
Best Regards
Ian 
_________________
Ian Harrison
Viper Racing UK
www.viper-racinguk.co.uk
sales@viper-racinguk.co.uk
+44 7984 225 564
+44 161 343 2009
Championship winning Superkart race team 1997-2012 |
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Jim McMahon
Joined: 07 Apr 2007
Posts: 2658
Location: United States, St. Paul,
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Larry Dobbs
Joined: 19 Jul 2001
Posts: 1438
Location: United States, California, El Dorado Hills
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| Posted: Tue Sep 18, 2012 6:41 am Post subject: ICE Class at Laguna |
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That is huge! 
Last edited by Larry Dobbs on Tue Sep 18, 2012 5:57 pm, edited 1 time in total |
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alan speyrer
Joined: 22 Apr 2008
Posts: 1329
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| Posted: Tue Sep 18, 2012 11:59 am Post subject: Re: What a Difference a Set of Pipes Make!! |
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I like the graph of the older pipes up to the 11,600rpm.
| Ian Harrison wrote: | Hi Guys
Just for fun!!
This is the dynograph for a 2003 FPE updated in 2009 by FPE (wedge cranks, 2009 cylinders, PVL Ign, 2009 FPE pipes), just tickled and rebuilt by us. For a laugh we put on a set of age old Merlin pipes used by Martin Hines "back in the day". God knows exactly when, but I mean OLD!!!!! Guess which run is which?? No prizes for this one.
In fairness, we just stuck the pipes on. No efforts were made to optimise for them
Best Regards
Ian |
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Dan Davis
Joined: 21 Jul 2002
Posts: 2194
Location: United States, Kansas, Wichita
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| Posted: Wed Sep 19, 2012 11:41 am Post subject: |
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I don't expect that engine will be spending much if any time below 10,000 rpm on the track.....so there is actually little difference below 11,600......unless we are drag racing as well as limiting the engine to 11'600 RPM.  |
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