Originally Posted by turboboss
david at pumaracing fitted his double valve springs when he done me one of his 45mm inlet valve head ported cvh heads
I've read his article on his website, sounds like the best head available, lots of work gone into that one
do you use solid lifters? is there any point me purchasing them if im only planning on revving to 6200.
Do you think the newman off the shelf turbo cam will be enough. i.e is it a mild or wild one, on comparison to 285t2.