Wanted Plunger KH Twin

[nevhunter]

It's the short ones that are the Problem. They are an issue in any alloy motor. Not enough length to take the thermal stretching. The earlier iron heads were well designed regarding Airflow through the Head fins. Some alloys were a bit Suss near the early 50s. Nev

[wade.edwards]

WWII scrap metal was incorporated into the recycling mix.

[nevhunter]

I also heard the accountants wanted the Heads to be of the same metal as the cases. Nev