Engine score
 

Had a friend give me two engines, an Echo pb1000 (21 cc??)blower and a stihl fs-85 weed eater.. "he said neither one will run there junk"

15 min after I got home both run like a top, just spray clean the carb and adjust the needles and they start right up.

Now what to put them in>??????

I have read alot on here about the Echo's but what about the Stihl is it good to convert.

RE: Engine score
 

I have done many Echo's and they have great power and are easy to convert. The Echo is a 21.2cc and would be similar to the new G-20. I have used that engine in a Seagull Models 60 size Edge. Flew good but not a 3-D powerhouse. The Stihl is 25.4cc and would be a real nice engine to convert. I have a couple Stihls just no time to convert them.

RE: Engine score
 

anybody converted a sthil 4-stroke? they don't have a oil sump you have to mix gas & oil. do they make good power? thanks Erik

RE: Engine score
 

I just about only convert echos and stihls now.Heres a pic of my 24cc and my 28cc stihl.both of these engines weigh 3lbs rtf with ign.