Why did nhra change the cam and valve spring rule in 1985?

Pat6868 · 07-02-2010, 10:32 AM

If you check out the rules for IHRA pure stock you find a class thats in line with the original intention of stock eliminator. A person can put together a competitve car for a lot less money. If rules are enforced theres no problem. As far as reliability, while I don't race as much as most, my 327 has been in the car for 5 years without freshening and only minor repairs and still runs the number. Pat

07-02-2010, 10:32 AM	#32
Pat6868 Member Join Date: May 2010 Posts: 102 Likes: 6 Liked 88 Times in 28 Posts	Re: Why did nhra change the cam and valve spring rule in 1985? If you check out the rules for IHRA pure stock you find a class thats in line with the original intention of stock eliminator. A person can put together a competitve car for a lot less money. If rules are enforced theres no problem. As far as reliability, while I don't race as much as most, my 327 has been in the car for 5 years without freshening and only minor repairs and still runs the number. Pat

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