Quote:
Originally Posted by babymog
Of course he would need to have adjustable lifters, his 602 does not.
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This is indeed true but the fact is that if the hydraulic lifters are not to specification his valve train timing will be off. This alone could cause nailing. And further if there is drift in the lifters with time and temperature the nailing will be more difficult to characterize and may not be always repeatable. This thread is now into advanced nailing issues so every possibility has to be brought up.