That IO-540 can be bumped up in HP. Lycon's CNC port and polish adds 5 HP/cylinder. Cold air induction adds another 15-20. Just my opinion, I would go with the 5. The extra width is really nice, it is a fill 4 seats with big people haul a ton of gear plane.
Scratch built fuselage and engine mount, but done to plans. Engine modified from an O-540B4B5 out of a Cherokee 235. It was very tight, only one spot worked.
If aircraft specialty said you can just slip a hose over the threads and clamp it, then I am sure it okay. There isn't any pressure involved and saves buying another fitting. Don't forget to put a 1/4" hole in the tube within the engine compartment. Without it, if the breather outlet freezes in...
The original 4-place wing kits came with the bottom skin totally riveted and you riveted down the top skin after completing the interior work. That indicates to me that there is no issue with completing the bottom skin installation first.
I dont think you need that large a cooler. I say that because that is what I installed with a 4" duct and I have run all summer with the inline butterfly set at 75%. The vernatherm controls the oil temp at 180deg and hasn't exceeded that. In winter I set it at 60%. I have cold air induction...
Tanks come installed now? That would have saved me a ton of time messing figuring out the length of the straps and installing them. You are going to miss out on a lot of fun.
Back in January I joined the Pilots and Paws organization that puts dogs needing transport together with pilots willing to donate time and fuel. I love dogs and it is a great opportunity to get out and fly to new places. Yesterday was my second trip transporting dogs. A family in Gunnison, CO...
Last winter I completed all the Phase 1 flight testing cards before I installed VGs. The only flight tests I redid after installation were the full stall series and landing and takeoff distances which all definitely imrpoved. I have wondered how the VGs might impact other speeds such as Vx, Vy...