My hopefully final hose order arrived from Bonaco today. First up is the upper hose to the oil cooler. This comes straight off the back of the engine above the left mag. I’ll add a couple of adel clamps to tie the oil hose to the breather tube. This will keep the hose from rubbing against the breather tube as well as stabilize the breather tube a bit better.
That hose runs just inside the forward engine mount tubes and connects to the upper oil cooler port. I’ll add another adel clamp here to secure the oil hose to the engine mount.
The lower oil cooler hose routes around the back of the oil cooler and then connects to the 45º angle fitting above the propeller governor. I’ll cut a relief in the oil cooler flange to keep this from abrading against the hose. I may also add an adel clap to tie the hose to the firewall.
I also replaced the fuel pressure hose with one that has a 90º end on it to better clear the oil cooler. I’ll also have to trim the oil cooler flange here to clear the hose.
After installing the hoses, I finished up the baffle mods. Here’s the modification for the #1 cylinder.
And here’s the mod for the #3 cylinder. Overall, these really weren’t that bad to make. I probably spent 6-8 hours total fabricating and installing these. I’d definitely recommend ditching the plans from ECI and just making your own templates. You’ll have to do that anyway for cylinder #4, and it’s pretty quick to just do it all the way around. I also highly recommend making them in two pieces and riveting them together with the single rivet in the corner. This is much easier than trying to get all of the angles exactly right with the single piece that ECI specifies.
