Posted by Bob (Aust) on December 19, 2012 at 15:02:21 from (126.96.36.199):
In Reply to: Oil smoke posted by JohnPom on December 19, 2012 at 01:31:43:
John. Probably a long shot but it may also be gummed up piston rings? As I assume from the "Pom" that you are in the UK, there is one possible fix you could try before an engine rebuild.
On a "Wheeler Dealer" TV show on Discovery Channel, Edd China connected up a device to a homebuilt Cobra, ran the engine for 30 minutes cleaning the engine internals, improving compression and significantly reducing emissions. Apparently this service is now available from some mechanics in the UK.
Another thought prior to your next engine oil change is to add a liter of auto transmission fluid to the engine oil, run the engine for 15 minutes or so to hot, then change oil. That may free up the rings?
Another possible cure is to remove the air cleaner pipe from the carby, start engine and throttle up to 3/4 throttle and dribble Marvel Mystery Oil (if you can get it as I think it is only available in the USA) down the carby throat. If you can't get Marvel Mystery Oil you could use Red-X (or similar) upper cylinder lubricant.
If none of that works, you will need to rebuild the Standard engine which is a simple and inexpensive task if you have a service manual and go by the book. Rebuild kits containing all gaskets, new sleeves, new piston rings and new pistons were around US$500/UKú310.00 a year or two ago.
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