better brakes

Randy Grein randygrein at
Fri Sep 26 17:43:05 PDT 2008

No, trying to keep up with the Pinkstaff kids. I haven't seen your  
dyno chart, but if it's like the others (peak power around 9.2-9.5  
with a substantial dropoff after that) wringing it's neck will make it  
go slower, not faster.

Keep in mind however I'm talking about minor short-shifting, not what  
you'd do for a sunday drive. A bone stock '03 dyno chart (shown here: 
  ) shows a 3 hp dropoff from 9,200 to 10 grand, and looks like it  
would drop another 3 hp easy before hitting the rev limiter. Drop much  
below 8 grand after the shift on that bike and you're left behind, but  
it would be tough to keep it above 9 grand except in the 5-6 shift.

Randy Grein, WMRRA #41

On Sep 26, 2008, at 11:16 AM, Jo Rhett wrote:

> On Sep 26, 2008, at 5:30 AM, Randy Grein wrote:
>> making usable racing power from just under 8 grand to redline. The  
>> curve is pretty darn flat (I've had engines that were within 1 hp  
>> of peak power from 8-10 grand) but nearly all of them sign off a  
>> bit early. You're actually better off short-shifting and using the  
>> torque. I've never been to miller but at Willow it
> You're not trying to keep up with Zoran's boys.  If you get below 9k  
> rpm they leave you behind so fast you'll think you went out in the  
> heavyweight class by mistake.
> -- 
> Jo Rhett /  velociRaptor Racing
> #553 WERA / AFM

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