[f-AA] cylinder advice

[Al]

Bill,

I talked with several other trusted engine friends recently and I'm now using cylinders from Gibson Aviation, 
in El Reno, OK. Just put one on a O-470, it looked great and broke in quick. It's too early for a longevity WAG... 
They now have cylinders for the O-200 and TSIO-360 that I'm currently overhauling. They were advertising 
Yellow Tagged cylinders (your cylinder) for $295.00, naturally parts extra, Same day shipping on a stud assembly 
for $395.00. Read their add in Trade-a-plane. Phone number is 1-800-992-4880.

Rule of thumb. Air coming out exhaust....exhaust valve and/or seat, air coming out of breather/oil filler cap...ring
blow by, air through carb...you guessed it intake valve.

Something to remember on these old engines, lord only knows how many hours and how they were treated, if you 
can afford new it's your best bet otherwise there is only one alternative. I have no problem with chrome but I'll NEVER
put a welded cylinder on anything I own or maintain. Too many recurring night mares from my VW engine building days.
Welded heads are JUNK no matter who or how they are done.

One Guys Opinion...
Al Latham
  ----- Original Message ----- 
  From: Bill 
  To: aeronca at westmont.edu 
  Sent: Saturday, November 04, 2006 3:36 PM
  Subject: [f-AA] cylinder advice


  Just finished the annual on Moya(1946 7AC).We ran the motor to see if the low cylinder would get better but still got 40/80 and hissing out the exhaust.I pulled the cylinder and the valves don't look bad ,but the piston has a bad scuff mark on it.The cylinder walls don't look too beat up,but they are very smooth(no cross hatch showing).My IA says the piston would make a good paper weight.Now I am looking for a new cylinder and piston set.Can anyone tell me where to look for the new cylinder.This group is such a Wealth of information. I don't post too often becouse I am a two fingered typer and this post took me about 15 min. to do,also most of the questions I may have seem to come up on the list when I need them.Such as the AD on having the cylinders checked for cracks each time they are removed that I read on here last night. My IA was Very impressed with my knowledge of this when we removed the cyl.Well up to 20 min now. Thanks  Bill In N.H. (N2505E )


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