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Sorry, I sold all that stuff.

Sorry, I sold that stuff years ago.

If it doesn't work out with that one. I have one.

I pull them out of junk carbs.

It should give you a little more torque, make sure you check your squish.

I think a pop up gives a little more torque but the ones you buy have small pop ups so they don't give a huge compression bump. A pop up and a base gasket delete will give a nice increase in compression, lower your exhaust and increase your intake, that should give you some more torque.

If you google, "chainsaw porting thread links", you will find a huge amount of info on the first search result.

You could thin the shafts and that would let it flow a little better.

Wish I could help but as far as I know the 044/046 is the biggest that will bolt on, it seems to do a fine job on my ported 440/460 hybrid and my ported 440.

Google, "threads/chainsaw-porting-thread-links.16583" You will probable get more inf on porting on the forum that comes up.

This is from one of the other sites, posted by nutball. Anyway, the 590: .040 squish, EX: 111, TR: 127, IN: 76. 620P: .035 squish, EX 105-6, TR 125, IN 78-9.

I'd buy it if it runs good like he said.

I've got one, I put a 52cc clone cylinder on it but I'm going to change it back to the original one sooner or later.

One thing a lot of the aftermarket cylinders suffer from is a large squish and low compression, I would get my crank in and measure the squish in both of those cylinders before I spent time grinding on them.

They line up.

I have a 46mm OEM 034 cylinder if you need it, $50 shipped.

I made some bushings for my 620 out of some brass tubing so I could run Husqvarna bars on it.

I think $550 is way to much for a 372 with an aftermarket top end.

I used this paint on the case and clutch cover.

Yea, I used black Rit dye. I've got a couple of 372's that I dyed and they look pretty good.