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DrKnow65 · 04.29.2008, 07:54 PM

That 340 has a shaft style rocker base right? I know I had problems with valve adjustment with the 454 till I put a brace on the studs. I was only running the Z28 springs, 1.6:1 comp roller rockers, and I think the lift was like .480" on the cam.

I did later build a 400hp small block and used the Rhodes hydraulic lifters, they took some of the lope away but didn't improve the idle vacume??? never could undersand how that worked. Still I liked them.

Wish I could have gone mechanical roller cam/lifters with a belt drive and aluminum heads, but man that stuff was EXPENSIVE 10 years ago!

	(#5)
DrKnow65 RC-Monster Aluminum Offline Posts: 998 Join Date: Oct 2007 Location: Colorado	04.29.2008, 07:54 PM That 340 has a shaft style rocker base right? I know I had problems with valve adjustment with the 454 till I put a brace on the studs. I was only running the Z28 springs, 1.6:1 comp roller rockers, and I think the lift was like .480" on the cam. I did later build a 400hp small block and used the Rhodes hydraulic lifters, they took some of the lope away but didn't improve the idle vacume??? never could undersand how that worked. Still I liked them. Wish I could have gone mechanical roller cam/lifters with a belt drive and aluminum heads, but man that stuff was EXPENSIVE 10 years ago! If I could only draw what I see in my head, then afford to build it, and finaly get to play with it...