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Is the original crank trashed? If not, I would definitely re-install it with new bearings. The 024 AVS has the same 32mm stroke as the 026...not sure if the rod length is any different on the 024 S crank and the 026. And yes, it is possible to upgrade to a 44mm bore jug....maybe even the 44.7 with some clearancing work. @drf256 could set you straight if you have more questions.So I know this an old thread but I’m rebuilding my grandfathers old saw an 024 AVS. I bought a kit of eBay that was complete garbage. I bought a rebuild kit off Amazon with a new crank P/C & crankshaft, all these parts are for an 026. From what I understand it’s possible to upgrade this saw to an 026 since it’s a super.
I did it but I doubt I will ever do it again:In my opinion changing an 024 into basically an 026 is like some grafting an 038 Magnum cylinder to an 038 AV .When quite honestly more magnums were made than AV's .What would be the point of doing all that work other than to prove it can be done ?
How did the project turn out?Here is the new Meteor piston after machine work. I got the flywheel nut cinched down before cutting the piston. I left the center portion 0.025” higher to maintain a little more meat on the crown.View attachment 384760
I thought it turned out well. I didn’t do before & after timed cuts. It would easily hold 11K with a 16” bar loaded up.How did the project turn out?