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Freeing up an engine...

Stuka Stunt Main Forum · 4 of 4 known posts recovered

TomK · Jun 06, 2004 09:43 AM

#0 source
My Silver Foxx .40 hasn't been out of the box it came in over seven years ago. It turns over, but is rather stiff.

Should I just use a little oil or a little fuel to loosen it up/lube it up?

I'm pretty sure that Lew runs them before shipping, so I don't know how much break in time it will really need.

I do have proper fuel, but if I am to use oil, I'll need some help as to which type.

Thanks!

wcrane · Jun 06, 2004 10:30 AM

#1 source
Probably just stiff Castor oil, I'm assuming you didn't store it underwater or something like that. Run it rich and it will loosen up. If the bearings are shot, you can send it back to Lew and he'll fix it for you, good as new. Might cost you a bit, but any good engine would. But I'd bet it's just stiff castor.

From somewhere near Parkville, Mo.
William Crane
AMA 6733

TomK · Jun 06, 2004 10:45 AM

#2 source
So just a little fuel should do the trick?

LNeumann · Jun 06, 2004 12:25 PM

#3 source
>So just a little fuel should do the trick?

I like Marvel Air Tool Oil. It is a good lube, anti-rust, it doesn't gum, and it burns in the engine making for easy starts. But, yes, just putting a bit of raw fuel in the engine and turning it over a bit should loosen it up. Just watch the bearings. Sometimes when they have been stored a while they will stick in the races and will then develop flat spots. Make sure everything is loose before firing it up. (Air tool oil comes to mind again.) It would be best to fire it up then, however, and, yes, you will need to break it in. If Lew has run it, it is very little and will need the full break in routine.

Leonard Neumann