Quote:
Originally Posted by GTX JOHN
I still run the same old square lobe cams that I ran in 80s -90s
that Richard @ Isky used to build for me in all my Stockers.
Not easy on the valve train but I still run Schubeck lifters and plenty
of spring pressure. I am old school.
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We had to use stock valve springs. NHRA checked both open & closed spring pressures.
Those lobes (at least what I used) were valve spring killers. GM springs were dead at the end of one weekend. TRW springs were usually good for three races.