Saving Old Seagulls

No John, I have never seen a bronze bigend cap, I think the bronze bearing gossip originated in Sesgull's R&D dept.

All the dying 170 rods that I've seen have the bearing surface of the end cap badly worn, bronze as a bearing surface will almost run dry, but aluminium drags badly & wears away quickly without sufficient oil to protect it, leaving too much room for the oil to lubricate properly. So I can't real...

Many 170's have run for years without any problems. By all means check the big end bearing condition, if it's tired fix it, if it's ok use it like it was intended, but don't over rev it out of gear, & run it on 20 : 1. I don't know if this will prevent problems, I use all my 25 : 1 Seagulls at 2...

Unless the flywheel has 3 number 2BA holes drilled & tapped into the steel center, remove in the normal Seagull manner. If your having a phosphor bronze end cap made, don't worry about the balance factor, but expect to pay 2 ish hours machining time as well as a costly lump of bronze, whoever is...

Somewhere at home I have some Autocad drawings of the 170 endcap but they are only hard copies, as the computer they were on died when I get home I could talk to your machinest, To explain where I got to in this quest. the major problem is you could make a batch, but the bolt holes are in different ...