Quote:
Originally Posted by X-TECH MAN
I know its beating a dead horse but if the valve spring rule had never been changed to any pressure the lifter problem and cost would not be there. NHRA should have just gone ot a standard pressure across the board for all models and brands of engines that would allow equal performance for everyone without the expense of using something like a Shubeck type lifter...... something around 150 lbs on the seat and 350 lbs open and these hi RPM shift points would go away (more savings) . Oh well then they would have to check valve spring pressures at tear down again. To much work I guess.
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Yep ,Terry. Then you wouldn't need weldments added to the pushrod cup on OEM type rockers, only on certain brands.