I think the MVVS 160 is a good gas engine from what I have read but without the tuned pipe it will not have more power than an Enya 155 running 10% nitro. If someone could run a MVVS on a APC 18X6W we could compare.

I found the Enya's on sale at $80.00 less than a MVVS shipped. Add the cost of a pitts muffler, battery, ignition switch, fire extingisher etc., the cost of gas mix at about $4.00 a gallon compared to 10% nitro at $12.00 a gallon it would take a lot of flying to get a return on my investment. The MVVS may be worn out by then.

The Enya is supposed to be very fuel efficient, better than the Saito. The MVVS is using about the same volume of gas to make it's power.

I think I can use the same size tank with either and fly for about the same amount of time.

As for cleaning, I stick all of my exhausts 2" straight down from the bottom of the planes and 1/2 paper towel at the end of the day cleans them off, unless I'm doing a lot of tumbles, then I need two.

All of my glow engines have been very reliable, I run them 2-300 rpm rich.