RE: Why not a Webra engines thread?
Hobbsy...that muffler in your 1st two pics is a Silenceaire (or some similar spelling ) made sometime in the early 70's.
I have an old 1.5cc Diesel...1950's vintage...it has red (or now sort of pink ) anodized fins.
4 .50 GT's and 3 .61 Speeds...and one 1.20
Love 'em all [8D]