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Interesting. I don't seem to have this issue on my 580....and I even poked larger holes in the muffler to let it breathe better too. I run 32:1 as well. Doesn't matter what outside temp is, I prime it, give it very little throttle just off idle, set full choke, pull once, then put half choke...

That is all dependent on your ductwork. Mine, when first installed, was not all that warm either. I had to slow the blower down substantially. Others see decent temps without doing anything.

Will they actually flow 25GPM though? The ones I found to replace the OEM filter on my County Line 40 ton all had a max flow much less than 25gpm. I seriously doubt the OEM will flow 25GPM without bypassing. This is why I replaced the filter head and filter to something that will actually...

I'll second what bren said. Some links you may be interested in -HERE- and -HERE-.

I don't know about the 555FXT. There is the 555FX (found in the states) and the 555RXT which I have and I ordered from the UK. https://honeybros.com/shop/machinery/brushcutters/brushcutters-standard-petrol/petrol_brushcutters/husqvarna-555rxt-brushcutter/

Check out a Kuuma..... https://www.lamppakuuma.com/vapor-fire-100/

https://bit.ly/3g9XWDU

I'm thinking about ordering a 555RXT from that Honey Brothers site. For those who have ordered from Sweden, were there any import duties or any additional fees above and beyond what the checkout site listed? I see they make you agree to the fact there may be other charges. If not, did you...

Found some very informative videos about 2 stage pumps and how to adjust the crossover pressure point between the 1st and 2nd stage. I just got done doing this with my County Line 40ton. I was able to increase the 1st to 2nd stage crossover on my pump quite a bit and adjusted my control valve...

got lots left....~13 -years- worth left. A little cold snap won't hurt a bit. :laugh:

The whole reason I did the swap was I could not find a replacement filter rated to flow 25GPM that would fit the OEM head. I'm pretty sure the OEM filter did not either. When the oil was cold I'm guessing there was some bypassing of the filter going on...maybe even when warm too.

FYI, upgrading the OEM filter/filter housing to something that is rated to flow 25GPM+ will gain you 0.3sec in cycle time. https://ruggedmade.com/categories/hydraulics/filters/zinga-external-hydraulic-return-filter-head-50gpm-1-1-4-npt-ports-25psi-pn-sf120250.html...

You need to ask him to show his math. :laugh:

Agreed, and it was fully expected. In my (our seeing you have the same splitter) case I'm not sure this is the case though. If it is, it's not by much. I don't have a 4,000 psi gauge, so I can test it for sure, but I know it went to at least 3,200 psi before I let off. It was still climbing...

The reason why I posted this thread was all I've been hearing/reading is how splitter ratings are BS and how most relieve around the 2,500 psi area. Based on this, I fully expected mine to relieve around that 2,500psi area, even though the manual states the max psi is 3,800. What I discovered...

That's the impression I was under too, however mine seems to be closer to the actual rating than I expected.

What brand/tonnage splitter do you have?

Have any of you threw a pressure gauge on your hose between the pump and control valve to see what pressure the relief valve is set at? I've read in numerous forums that most relief valves are set around the 2,500psi area. Assuming this is correct then most splitters are grossly over-rated in...

I just threw a gauge on my CL 40 ton inline between the pump and control valve. It maxed my 3,000psi gauge out at ~3,200 psi and was still climbing when I let off. I should probably back off on the relief some. LOL

sorry, I completely missed that part!!