> It's a 1978 MGBGT. What do you mean by 'green'? Is this the current rating
> colour code? I think there are four fuses in the fuse box. Wouldn't
supprise
> me if they are the same as on other BL cars ie: Fuse 1 = IGN pos II, 2 =
key
> out, 3 = IGN pos I, 4 = sidelights.
It means the wire is green. There is a british standard color code for
wires, basically:
Brown=always hot, unfused
Purple=always hot, fused
white=ignition on, unfused
GREEN=IGNITION ON, FUSED
red=lights
black=ground
> >Hot idle is the real test, what's that?
>
> Not a lot. About 15-20psi. Often the OPRV is venting too soon, and a nut
> under the cap will boost Oil P by 20 or so psi. Maybe the engine is too
> worn.
Opinion: If you're getting only 15-20 psi, and you're burning 2l/300miles,
things are probably pretty worn. You can pack the OPRV, as you describe,
but it won't cure bad bearings, etc.
Good luck sorting things out,
Matt
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