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-   -   NHRA hp updates (https://classracer.com/classforum/showthread.php?t=83720)

Billy Nees 12-18-2022 07:30 PM

Re: NHRA hp updates
 
Quote:

Originally Posted by mnmaxwedge (Post 672512)
That would require them to find qualified people which they surely won't do. A better solution on their part is to run Stock and Super Stock like Super Gas cars. You could only run your published index, any faster you lose. No dial unders or heads up! Wouldn't it be fun to see Stock and Super Stock cars with timers and throttle stops.

The sad part of your post is that, IMHO, NHRA is more likely to do something like that than hire qualified people. They (NHRA) really don't want the complicated rules that go along with S/SS but they don't want us to leave because there are so many of us.

Alan Roehrich 12-21-2022 02:51 PM

Re: NHRA hp updates
 
Quote:

Originally Posted by Mike Gray (Post 672493)
Oh, okay I’m catching on to the new AHFS if I run BETWEEN .650 - .850 under they will like me and over .850 under and they will send me hate mail. Do I understand this correctly that my combo in B can affect other cars from AA - C because it’s in the same engine family even though the engine specs may be different, like different heads and valve sizes? I must have skimmed over the paragraph below too quickly.

“1st screening: The average for all vehicles running the particular engine family combination being reviewed is included in this screening. The review process will average runs in ALL classes TOGETHER with the same transmission type & the same body platform.”




Your combo cannot affect anything other than that same engine combo. If your combo has different heads, valve sizes, etc, then it doesn't affect combos that don't have the same specs. So, if your combo has 2.07"/1.725" valves and oval port heads, it will not affect a combo with 2.195" and 1.725" valves and rectangle ports.

Bob Shaw 12-21-2022 07:46 PM

Re: NHRA hp updates
 
That's the way they say it works. For the 4.3 Chevy tbi engines they factor flat tappet cams, roller tappet cams, 108 wheelbase, 117 wheelbase, 430 lift cams, stock lift cams, cars or trucks together. All are considered the same engine family and body style.

e vassar 12-21-2022 10:43 PM

Re: NHRA hp updates
 
Quote:

Originally Posted by mnmaxwedge (Post 672512)
That would require them to find qualified people which they surely won't do. A better solution on their part is to run Stock and Super Stock like Super Gas cars. You could only run your published index, any faster you lose. No dial unders or heads up! Wouldn't it be fun to see Stock and Super Stock cars with timers and throttle stops. It would save NHRA the trouble of switching back to a full tree after the SG/SC cars run.

Yeah..I'm all for this! Just adjust my weight to run dead on the index! Hit the tree and drive the finish line.
Would sure save me a lot of money im fixin to spend. Probably have 200 stockers at divisionals.

e vassar 12-21-2022 10:53 PM

Re: NHRA hp updates
 
Quote:

Originally Posted by Billy Nees (Post 672513)
The sad part of your post is that, IMHO, NHRA is more likely to do something like that than hire qualified people. They (NHRA) really don't want the complicated rules that go along with S/SS but they don't want us to leave because there are so many of us.

Exactly!

Mike Gray 12-22-2022 02:16 AM

Re: NHRA hp updates
 
Quote:

Originally Posted by Alan Roehrich (Post 672671)
Your combo cannot affect anything other than that same engine combo. If your combo has different heads, valve sizes, etc, then it doesn't affect combos that don't have the same specs. So, if your combo has 2.07"/1.725" valves and oval port heads, it will not affect a combo with 2.195" and 1.725" valves and rectangle ports.

Okay, makes more sense. Why couldn’t they just say running the same engine specs rather than “engine family”.

Terry Cain 12-23-2022 10:49 PM

Re: NHRA hp updates
 
Quote:

Originally Posted by Mike Gray (Post 672704)
Okay, makes more sense. Why couldn’t they just say running the same engine specs rather than “engine family”.

They wouldn't do that. They paid a law firm to write the wording.

Mike Gray 12-23-2022 11:18 PM

Re: NHRA hp updates
 
Quote:

Originally Posted by Terry Cain (Post 672841)
They wouldn't do that. They paid a law firm to write the wording.

The FE engine family is confusing enough with all the different variations. There are numerous combinations that could be in the same class. Now I see how this could help with the average for each because hardly any two 428 cars are running the EXACT same combinations.

Bernhard 12-28-2022 04:04 PM

Re: NHRA hp updates
 
What effect would bringing back the factory valve spring rule have?
Would this not simplify tech and negate some of the advantage found in cylinder head and intake advancement?


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