I’m in the process of building my first all out race engine and am looking for the advantages and disadvantages of running aluminum caps. This is for a stroker big block.
Thanks.

1968 Road Runner 383 727 3.91 8 3/4 3520 with driver 11.04 @ 124.26 with 1.67 60’
Done on G70-14 redlines thru factory manifolds New quickest ever 383 build in FAST.
10:1 451” replaced with 14:1 499”.