New 400 has much more flat power curve than other two. Much better for logging. Best saw of the three for me. Ported is a torq animal.
I don't have tube account but got one video on fb if that can be seen https://www.facebook.com/share/v/1DPoWmjBiB/
Husky's like 20% cheaper here but 564xp will sell around 1500€ while 400.1 is 1300€. It's more in a 500i range -1600€.
Well I just hope they made a reliable saw. There's no husky fans left among loggers
I made a few cuts today. Feels like husky. Took the cover off. Cylinder is extra low. No transfer caps. Strangely small air filter. So short stroke big bore. Not usual for husqvarna
Been living with 400.1 for months now. All I can say is I hate it. It runs so fuggin lean I don't know when it's running out of fuel. Stock or ported. So this week I drilled every hole on carb I ever heard people drill. Tomorrow I'm buying new carb. Can't wait for 564xp.
I ported one, have two more to do. I did cut the base and than use JB weld to reconstruct that extension back. Went couple of times in and out. Didn't find any real gains to be honest. it seems it does like higher exhaust.
Second one I will try only BGD and squish cut to see if it's worth all...
Look at my photo again and imagine how you would cut the base on a lathe. Than add asimetric chamber design and imagine cutting squish by hand like I do. It has nothing in common with old 400 believe me
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