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-   -   Index Change (https://classracer.com/classforum/showthread.php?t=22523)

PJ305 12-18-2009 02:33 PM

Index Change
 
Now posted on Lucas site

Chad Rhodes 12-18-2009 02:49 PM

Re: Index Change
 
Oh well (note sig change from AA/SA to A/SA), it effects everyone the same. Unless you can't run .3 under

Sean Ward 12-18-2009 02:56 PM

Re: Index Change
 
can you post the link someone thanks

Joe Schaechter 12-18-2009 03:09 PM

Re: Index Change
 
Here is the link:

http://www.nhra.net/content/sportsma...9436&zoneid=85

fredjohnston 12-18-2009 03:10 PM

Re: Index Change
 
The AHFS will impact very few combinations with the new indexs. The HP committees job just got alot easier.

The new Mustangs and Mopars will most likely never see an adjustment.

The proper way to adjust horsepower ratings is to take the average under the index runs of each car/engine combination and average them against each other.

Example: car/engine average for combination X = .95 under index
car/engine average for combination Y = .75 under index

The HP needs to be adjusted for up (raised) for combination X or lowered (decreased) for combination Y.

They aren't reinventing the wheel or performing brain surgery here.

Casey Miles 12-18-2009 03:33 PM

Re: Index Change
 
WOW!! Now I can run all out and not worry about getting too far up the qualifing sheet. LOL!!!

Michael Beard 12-18-2009 03:40 PM

Re: Index Change
 
Or they could've just moved the trigger up .15, which is primarily what they've done. It just won't LOOK like a -1.55 under run on paper next time. :rolleyes: Now guys can race to 1,150'. Maybe they can put a cone out there for that. Congratulations, NHRA, you've accomplished.... um.... something, I guess.

Charley Downing 12-18-2009 03:42 PM

Re: Index Change
 
What about class winners do they still need to run -.50 under to win class?

Mark Markow 12-18-2009 03:50 PM

Re: Index Change
 
I'm just curious, what happens to all the records now ? Do they change, or do they just start from scratch, or will there be all new records ?
I guess this was to even things out , but it seems to me like the sand baggers will be even farther ahead now.
like if you run all out and your a sec. under , you'll be .7 under now , but if you were holding some at a sec. under , now you can run it hard and still be ahead of the game.

Casey Miles 12-18-2009 03:51 PM

Re: Index Change
 
NHRA could have approached the indexes a different way. They could've just made a valve spring pressure rule that would slow everyone up. Make it so that the pressure can't exceed 150 lbs on the seat. But NHRA doesn't want to work for their membership money which means testing pressures of the valve springs.
Casey Miles
248H (Exceptionally/Slow)


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