Posted by chriscase [172.68.211.103] on Wednesday, February 26, 2020 at 08:18:04 :
In Reply to: What about much later heads? posted by Anxious Dave [172.69.71.71] on Wednesday, February 26, 2020 at 06:56:51 :
And it's not just the compression, the later heads flow better.
I'm not an M37 expert, but I suppose they stayed with low compression? Army, after all.