Ketchup's latest activity
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I think increased muffler volume is beneficial, but it's not a hill i would die on. -
Ketchup replied to the thread Chainsaw Pipe Exhaust theory.Does anyone have credible information about the speed of exhaust gas when it leaves the chamber, how quickly it decelerates as it moves...
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Ketchup replied to the thread Chainsaw Pipe Exhaust theory.Well said. But I don’t want to completely discount a muffler design just because idiots like it. I think there’s something to a flat...
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Ketchup replied to the thread Chainsaw Pipe Exhaust theory.The second sticky in the chainsaw forum is a treasure trove. Buckle up for some reading time though!
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Ketchup replied to the thread Any Chinese chainsaw and chinese parts discussion.That’s the truth of it. I’ll run the hell out of a 660 if that’s what I have. If I’m shelling out for a big clone saw though, I’m...
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I forgot to take a picture of the milled hex. :confused: Dolmar 420/460/4k/5k/6100 clutch removal tool. Impact drive proof...
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Ketchup replied to the thread Chainsaw Pipe Exhaust theory.Interesting question. I don’t think there’s a direct correlation, but getting the ignition right for your RPM is important. More RPM...
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Ketchup replied to the thread Any Chinese chainsaw and chinese parts discussion.The 660 was the flagship clone saw. They’re dirt cheap and large displacement, but if you get a good one it’s still just a 660. I’m...
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I have seen dyno results for motors that look awesome but suck in real life. The dyno is a tool that gives one some indication of...
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Ketchup reacted to srcarr52's post in the thread Stock and Modded “can” mufflers vs pipes - an honest discussion without any attitude with
Like.
I've done some that way, they are extremely loud and harsh sounding. They seem to favor less ex duration than just a big hole out the front. -
Ketchup reacted to bwalker's post in the thread Stock and Modded “can” mufflers vs pipes - an honest discussion without any attitude with Like.
The stinger can exit on the fat section of the pipe. Its been done before. Memory is a little fuzzy but a snowmobile OEM did so. The...
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Ketchup reacted to bwalker's post in the thread Stock and Modded “can” mufflers vs pipes - an honest discussion without any attitude with Like.
All of those factors very with RPM. Stinger diameter controls how hot the pipe snd engine runs. To small and you will burn it down, to...
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Ketchup replied to the thread Any Chinese chainsaw and chinese parts discussion.A clone 661 raises an eyebrow. The 0xx stuff they manufacture now is pretty unremarkable. G366 is a possible exception. And the 880...
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Philbert