ZERO's latest activity
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Are those lengths tuned for any particular rpm? You should get some pretty aggressive resonance pulses from that setup with how abrupt... -
it's an Ironhorse pipe this guy did several tests and a summary for the math and Dyno Joe did some dyno tests with this type...
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I hope you don't have any neighbors nearby 😉😎👍
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@Partner - you can probably hear his saw when he's running it... Mark
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that's going to be so loud
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yes it is. Actually it's the loudest muffler-mod I ever build and I can't imagine to work with this saw for more then 1 hour. I guess...
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Same AM 372 muff...just drilled out the tiny pipe, made the hole bigger, welded on a deflector. Port-matched the inlet to the widened...
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Walbro uses a chrome plated needle seat that is quite durable, but I have see them wear through to a yellow metal after a lot of hours...
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Test to 7 PSI or .5 BAR for a minute and it should either hold or if it leaks down ever so slightly in two minutes is a pass. Otherwise...
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remove the needle and use a pencil tip to scrub the seat clean and it will highlight any wear ridges, scratches etc
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I’ve got the tester Stump Shot posted coming tomorrow. Hopefully I can find the issue.
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Find someone with a pressure tester and put 8 or 10 pds of pressure and if will not hold it would point at the needle and seat. And if...
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I used to advance the timing on them but it makes some of them more difficult to start. Not harder to pull over, but it’s like the spark...
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This is accurate. That is why flywheel nut torque is so critical. Too loose, and it shears the key; too tight, and the extreme taper...
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That is a good point, I believe the old craftsman that I’m remembering was a straight shaft so it would not seat under torque like a...
