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Chat, Offtopic, Meetings & Everything Else / Re: Audi sludge trap
« Last post by ellis on Today at 19:26 »
Had a customer in the 70s with a Rover 3.5 from new. It had covered 45000 miles so he decided it was time to have an oil and filter change. First one scince new. Poor chap kept putting it off for years thinking he was saving some money. Never did see him again.

A7 & A10 Engine / Re: Oil on piston crowns
« Last post by RDfella on Today at 19:16 »
Sounds like oil from dis-assembly. Oil won't leak into cylinders from pushrod tunnel - pressure in cylinders is somewhat higher than pressure in that tunnel so any flow would be the other way - witnessed by a black scorch mark on the cyl head gasket..
G'day GB.
I'm surprised it lasted that long.
A7 & A10 Engine / Oil on piston crowns
« Last post by Minto on Today at 18:34 »
Evening all,
I started stripping the plunger engine yesterday ready for removal for another rebuild to try to sort out some oil leaks. After I removed the head I observed that there was oil on top of both pistons, about a 1/4 -1/2 TSP on each at a guess, there was also quite a lot of oil on the top cylinder fin behind the pushrod tunnel. I took a closer look at the head gasket and there was also oil on the corresponding area of the gasket.
I'll try to do a leak test on the cylinder head and valves, but is it possible that this is all just a head gasket leak from it not sealing well enough around the pushrod tunnel?
Thanks in advance oh wise and enlightened ones.

There are a catalogue of other issues but I'll get to those as and when I get to them.
Wanted & For Sale / Re: Eddie Dow steering damper knob
« Last post by MrShifta on Today at 15:11 »
Just for info the damper rod made £53 on fleabay. 
Chat, Offtopic, Meetings & Everything Else / Audi sludge trap
« Last post by Greybeard on Today at 11:13 »
Ah you made it, we chose the Inland Rd to get back from chch, where we found some pubs 😁
Just came thru the molesworth road - about 100 miles unsealed thru a high country station. The only other bikes heading that way we're adventures. Pics show Rob on his lightning and my mighty b33, tank now held on with bungies after a few bolts liberated. Believe it or not, the rims are black.
We're heading north after the christchurch bsa rally. Whole run about 2200km. One bike sadly on a trailer. Our motto is 'other people have holidays, we have adventures'
A7 & A10 Engine / Re: Crank identification
« Last post by trevinoz on 28.02. 2021 21:26 »
If you are looking for a crank, Pete, I may be able to find one.
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