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-   -   Explain to me again, please (https://classracer.com/classforum/showthread.php?t=81249)

AJ Laferty 01-08-2022 08:55 AM
Re: Explain to me again, please
 
SCCA gets around the parts availability problem by having a 30 year rule. No car older than 30 years in national competition in "Street" (which is the closest class to NHRA Stock). It does provide a progression to more modified classes as cars age out.

How many Stockers out there are older than 30 years compared to newer? Would you rather have a 30 year rule or pay $2K for lifters?

Frank Castros 01-08-2022 08:57 AM
Re: Explain to me again, please
 
http://trendperform.com/p-30013-spintron.html

Larry Hill 01-08-2022 09:07 AM
Re: Explain to me again, please
 
Got one 52 years old, one 36, and the ''New" one is 7.

Billy Nees 01-08-2022 09:43 AM
Re: Explain to me again, please
 
Quote:
Originally Posted by LASTNDN (Post 655205)
SCCA gets around the parts availability problem by having a 30 year rule. No car older than 30 years in national competition in "Street" (which is the closest class to NHRA Stock). It does provide a progression to more modified classes as cars age out.

How many Stockers out there are older than 30 years compared to newer? Would you rather have a 30 year rule or pay $2K for lifters?
Good luck trying to get that to fly! The funny thing is, I (me, Billy Nees) would be OK with this. It would sure get NHRA's Natl. Event fields where they (NHRA) want them to be.

Let's look at this another way, "would you rather have a 30 year rule" or a valve spring rule?

Dwight Southerland 01-08-2022 09:58 AM
Re: Explain to me again, please
 
Quote:
Originally Posted by Billy Nees (Post 655210)

Let's look at this another way, "would you rather have a 30 year rule" or a valve spring rule?
NHRA started the "new" Stock Eliminator in 1972 with a 20 year rule and it didn't fly.

Valve spring rule gets my vote.

Terry Cain 01-08-2022 10:53 AM
Re: Explain to me again, please
 
Quote:
Originally Posted by Dwight Southerland (Post 655211)
NHRA started the "new" Stock Eliminator in 1972 with a 20 year rule and it didn't fly.

Valve spring rule gets my vote.
remember, well. Run rollers gets my vote.

Grey Ghost 01-08-2022 11:54 AM
Re: Explain to me again, please
 
Quote:
Originally Posted by Terry Cain (Post 655213)
remember, well. Run rollers gets my vote.
Roller lifters have been OEM in many motors starting in the 1990s. There is probably 1/3+- of the current stockers using them now. Many if not all were originally hydraulic. It would be naive to believe cam grinders are not taking advantage of having a roller lifter for those motors. Other advantages of these combos are programmable ecu's and efi.
I don't believe rollers for everyone are another step towards SS. Having them available to all would take that advantage away from the "modern" combos.

Rory McNeil 01-08-2022 11:55 AM
Re: Explain to me again, please
 
Quote:
Originally Posted by Terry Cain (Post 655204)
AND on a stocker we're (correct me if I'm thinking wrong) not allowed to change that and it does come into play on a BBC.
200 lbs might work on a small valve motor.
You would think that if pushrod to lifter angle was a major concern, the 273/318/340/360 MoPar "LA" engines would be the most effected.

Mark Yacavone 01-08-2022 12:02 PM
Re: Explain to me again, please
 
Quote:
Originally Posted by Terry Cain (Post 655213)
remember, well. Run rollers gets my vote.
Terry, if I might ask here.. What combo is your car ? OEM hydraulics or solids?

Terry Cain 01-08-2022 12:13 PM
Re: Explain to me again, please
 
Quote:
Originally Posted by Mark Yacavone (Post 655218)
Terry, if I might ask here.. What combo is your car ? OEM hydraulics or solids?
BBC OEM Hydraulic


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