bang
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I'm going to replace the engine in a 311 can I go bigger and use the parts from the311? if so what is the largest I can replace it with?
I did a 250 a while back, pia but I did it in 1 evening(might have gone a little into the next day lol).Probably the 391. That's what I did. It's a lot of work. Clam shells are bear cats in disguise. Good luck!
Well then join the club. After you mount a 391 top end on that 291 beast, we will have both rebuilt the top ends on a pair of clam shells. All you have to do is count all the parts on the workbench. That's what guys keep telling me. I think those are the same guys that lost count of the parts as they took them down.I did a 250 a while back, pia but I did it in 1 evening (might have gone a little into the next day lol).
Well then join the club. After you mount a 391 top end on that 291 beast, we will have both rebuilt the top ends on a pair of clam shells. All you have to do is count all the parts on the workbench. That's what guys keep telling me. I think those are the same guys that lost count of the parts as they took them down.
Don't forget to lay off the beers until after you are finished. Beers and clam shells don't mix.
Well, remember that when you rebuild a clam shell, the seals are then in reach and so are the bearings. You may need all three -- seals, bearings, cylinder kit. The dealer is right about $75 an hour being cost prohibitive. Even he probably can't rebuild one in less than 5 hours. So, add the parts in and now you are in New Saw City.Didn't get lucky, compression felt good because case was full of fuel.
Even he probably can't rebuild one in less than 5 hours.
Likely. Nobody here has been able to tell me the difference between a 390 and a 391 when it comes to the top end.Maybe I won't be able to use a China replacement engine. All I can find is 310/390. Will they swap into a 311?
I bet it took longer than... Hmm... At $75 an hour, I doubt very many saws could be rebuilt cheaper than a new one. Stihl has that all figured out also. Rebuilding them fast does not work. Make one mistake and you have lost it all.I've done a ton of those 290 to 390s this last year but still haven't had a 391 in the shop. Not sure I could do one with the lights out but getting pretty close..
Well it is totally different to begin with...Likely. Nobody here has been able to tell me the difference between a 390 and a 391 when it comes to the top end.
Yeah, but other than that...Well it is totally different to begin with...
In what respect? You still have told us nothing.Well it is totally different to begin with...
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