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-   -   Cylinder Head Runner Volumes (https://classracer.com/classforum/showthread.php?t=14576)

Lynn A McCarty 12-16-2008 12:28 PM

Bogus
 
Why dont we just get rid of the runner volume rule? It is a good idea gone Bogus bad!

Wade_Owens 12-16-2008 01:29 PM

Re: Cylinder Head Runner Volumes
 
Quote:

Originally Posted by Alan Roehrich (Post 96323)
Look in the Lucas oil section on Monday. Bruce Bachelder said that in 2009 they would monitor port volumes in cylinder heads in Stock Eliminator, if your port volume is found to be larger than what is listed for Super Stock, you will be disqualified from that event. In 2010, there will be a published specification for Stock like there is for Super Stock.

Could someone please pull this forward and post here. I cant seem to find where this is on the site......

Thanks......Wade O

Tommy Gaynor 12-16-2008 01:45 PM

Re: Cylinder Head Runner Volumes
 
I just received an Email from Bruce 5 minutes ago and there is going to be a CC max for stock!!! He said the new policy will be on the website today! I guess we all need to start hunting for the "good" castings. Merry Christmas engine builders.

442OLDS 12-16-2008 01:47 PM

Re: Cylinder Head Runner Volumes
 
This might be it.Maybe not.

http://www.nhra.com/tech_specs/runners/index.html

zracer305 12-16-2008 02:15 PM

Re: Cylinder Head Runner Volumes
 
Quote:

Originally Posted by 442OLDS (Post 96532)

No, this is for SS and has been posted since the 12/03.

442OLDS 12-16-2008 02:39 PM

Re: Cylinder Head Runner Volumes
 
Quote:

Originally Posted by zracer305 (Post 96536)
No, this is for SS and has been posted since the 12/03.

I'm confused,but I thought that is what all of this is about.Currently,there are cylinder heads being used in Stock Eliminator that aren't even legal in Super Stock Eliminator.That is how I understand this.

zracer305 12-16-2008 02:54 PM

Re: Cylinder Head Runner Volumes
 
Quote:

Originally Posted by 442OLDS (Post 96540)
I'm confused,but I thought that is what all of this is about.Currently,there are cylinder heads being used in Stock Eliminator that aren't even legal in Super Stock Eliminator.That is how I understand this.

You are 100% correct. There are a lot of heads out there with volumes bigger that what's allowed in SS where its legal to do port and polish, raise and lower ports use epoxy and so on. Yet, NHRA has allowed player in stock to get away with larger volumes. How can this be done if acid porting is not allowed. If they put the correct limits to runner volumes you're going to see a bunch of people slow down.

Bruce Noland 12-16-2008 03:19 PM

Re: Cylinder Head Runner Volumes
 
We go through this stuff all the time. Anyone remember the piston deal? Lots of folks were talking about all the racers who were going to slow down. You know what, the fast guys are still fast. This head runner volume thing is way over blown too. Sure some racers are out there with oversized runners but I'll bet there are not as many as some of you think!

Jeremy 12-16-2008 03:28 PM

Re: Cylinder Head Runner Volumes
 
There is a problem some of the small block Mopar SS volumes are incorrect with the valves we can now run. I've checked many untouched small block mopar heads this year and very few have four runners that will meet the ss volumes (only one out of twenty heads for the 915's I checked had four runners that were less than the ss volume of 158.). The 587 head is the only exception,it has the same port but there is 4 cc's difference in the super stock spec.

I was told at the pri show the stock volumes were decided on Thursday evening and would be on the NHRA site Friday or Monday.

Thanks

Bub Whitaker 12-16-2008 07:35 PM

Re: Cylinder Head Runner Volumes
 
Quote:

Originally Posted by Tommy Gaynor (Post 96531)
I just received an Email from Bruce 5 minutes ago and there is going to be a CC max for stock!!! He said the new policy will be on the website today! I guess we all need to start hunting for the "good" castings. Merry Christmas engine builders.

Thanks...


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