[f-AA] Short spark plug

[Jerry Jackson]

I too have seen lifters that would not collapse even though the piston was free, at least free to rotate in the body.  Washing with mineral spirits did not help but washing with carb cleaner did.

Jerry Jackson
7ECA
8T8

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  ----- Original Message ----- 
  From: Scott Gifford 
  To: aeronca at westmont.edu 
  Sent: Wednesday, November 01, 2006 5:24 PM
  Subject: Re: [f-AA] Short spark plug


  I've seen the hydraulic lifters on the small Continentals stay pumped up. Make sure the lifter is not magnetized. Slipping a wedge/straight blade screwdriver between valve and rocker arm to bleed off pressure has worked for me.

  If the lifter is not pumped up, staking the valves may help.

  Scott
  www.NostalgAire.com
    ----- Original Message ----- 
    From: Bill 
    To: aeronca at westmont.edu 
    Sent: Wednesday, November 01, 2006 3:54 PM
    Subject: [f-AA] Short spark plug


    Hi.We are doing our annual on Moya (1946 7AC) and the IA I'm working with said I should put the Short plug in the front cylinder.Can someone tell me the numbers for it and a good supplier for an A65.I've got one cylinder reading low (45/80) and we can hear the air coming out the exhaust.The others all read 71/80 and have about 500 hours on them.He seems to think the valve is sticking becouse I run mostly pump gas and don't use(sorry to start any wars ) MMO.We're going to run the motor to warm it up and check again.Has anyone else ran into this problem before. Thanks. Bill in N.H. 2505E


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