Paragon Builder
AS Enthusiast
- Joined
- Nov 27, 2014
- Messages
- 3,029
- Reaction score
- 3,078
Better yet I'll bring it and watch and learn!!
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How did u sand that band?Sanded .006 out of band. At .019-.021 now.
Problem (over)solved.
View attachment 464527View attachment 464528
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I was able to get the exhaust roof down to 102.5* with an .054 square band cut.
So the question is this. I'm freeporting under the skirt on the exhaust side about .005.
A gasket will raise the exhaust. I'm trying to go with an exhaust vs. displacement rule of a 105* goal for a 50cc saw.
Hard as hell to get there with a Stihl 026. Even with a red lever jug, I could just get 103.5 with a .050+ SB cut
You really think?
I like crankcase compression. Wanted more to support the bridges and (physically) higher transfers, as well as the opened piston Windows.
I raised the roof a bit for more time/area.
The last one I did was at 78 and had a lot of spitback.
Would freeport help the spitback? Same question in the other thread. Or we will say will she pass gas??? Lol??!! Will the freeport venting the system allow the full charge to get in with the long intake duration and get rid of the spitback? Just thinkin out loud
My advice...get over the rules. Work with what the factory gives you. All saws have spitback. Give a saw what makes it run the best. I've seen no real evidence that bridge ports make much difference. I'm not a fan of the huge loss of integrity they produce.Primary is degrees measured from when intake closes until transfers open.
Good rule is 40* on most saws.
What do you mean by loss of integrity Brad?I've seen no real evidence that bridge ports make much difference. I'm not a fan of the huge loss of integrity they produce.
You contribute alot to this site.I've begun to avoid this site. It's not worth the headaches.
If you only knew of some of the headaches, you would be able to like itYou contribute alot to this site.
I can't like this posting.
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