Originally Posted By Bad340fish
I know about the weight deal, I have W2 heads on an R1 block, it took four full turns on the torsion bars to get it to sit like the aluminum headed stock block 360.

I had one of those clear sleeves that slides over the top of the valve stem to help the seal slide over the grooves.


Where did you get that clear sleeve.. did you have to
buy it? I'd like to use one of those
thanks
wave