dual valve springs - CLASS RACER FORUM

02-07-2014, 05:55 PM

#15

Jim Hanig

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Join Date: Aug 2006

Location: Pukwana SD

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Re: dual valve springs

Quote:

Originally Posted by Jody Lang

And you're only getting 35-40 runs out of the Nexteks?

I was told by a reputable Class engine builder that some have had problems with the doubles.

I have ran the Manley 1.5 and after a season they had only lost about 10 #

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