1. Oil pressure relief valve does not have sufficient capacity to provide full relief (i.e. Maintain a constant pressure). However , this is probably intentional to provide higher oil pressure at higher rpm.
2. Yes PRV overspill returns to the pump inlet on the 6 (but back to dump on 4 pots IIRC.
3. There is a big gallery plug (3/8" bspt) next to the PRV that could serve with a suitable adapter - not sure it would show anything useful though.
4. The usual gauge tapping below the distributor is into the main oil gallery, post filter.
5. I suppose the pre-filter pressure will be a bit higher than post filter pressure an the proportional difference will increase with rpm due to greater flow causing more losses. Probably not by much though. Filters gradually clogging use would also show up. Filters should have an internal relief valve to bypass the element should the differential across it become excessive.
In my quest to find the super oil I found this excellent read for a rainy day:
https://members.rennlist.com/oil/Motor Oil 101.htm
20W50 will never touch my engine.
A couple of questions please regarding Triumph 6 cylinder CP/R engine please:
Oil pressure relief valve does not flow as good as it should?
Oil bleed from PRV is returned back to pump inlet?
Galley to oil PRV has no connection for pressure gauge?
Oil pressure gauge/switch is a post filter connection?
Max oil pressure reading is PRV pressure plus filter differential pressure?
Puts my little pillar drill to shame:
Or 4.5m bed lathe?
How about this for those SMALL turning jobs? (78"centres! and 22" swing!)
Now what can I make that requires a lathe that big?
ps just noticed it has a removable bed gap as well! so about 40"swing!!! (lorry flywheel?)
Hi Phil - that looks like a great basis for a restoration project. Don't over-restore it though.... do keep some of its history and patina visible; a car like that needs to look used but loved.
I realise I must have seen you at the RBRR start (I was one of the sign-in marshals) but obviously didn't recognise you! My apologies if you were trying to catch my eye and I ignored you!
Or maybe the years since we last met have not been kind to me and you didn't recognise me either!
I googled "det cans" (I would never have known that was what they were called) and have come up with a plan. I especially like the idea I read of using Audacity on a laptop and plugging in a piezo microphone into it. I'll be using the laptop to tweak the Amethyst's ignition so it will almost become an integrated system!
I'm going to give it a go with the existing engine to see how well (or not) if works for me. I'll report back.
6 years....... you pessimist!
Of course one man's pessimist is another's realist.........
Seems to me that finding poo in ones bath water is not something that should be normalised in any way.
Poo sticks is an entirely different thing and named after Winne the Poo. What the sport was called before AA Milne I have no idea.......