CM6 Insert Bushing
10-04-2011, 11:00 AM
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CM6 Insert Bushing
I was running my 17CC gas engine at about 1500 RPM when the plug blew out. Do they make a insert bushing like they do for a 14MMm plug. Any help would be appreciated.
10-04-2011, 12:00 PM
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RE: CM6 Insert Bushing
The engine is a 17CC sv gas engine. The spark plug blew out. The threads on the head are striped. I checked with the local auto parts stores but they don't have a insert small enough. I am thinking that if I coulgd get the head welded I might be able to drill the head & retap it.
10-04-2011, 01:04 PM
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RE: CM6 Insert Bushing
A helicoil insert should fix your problem. Jodyinstalled a helicoil insertona G20 head for my good friend KarolH sometime ago. Engine runs like a dream ever since we got it back. Have a look at the attached video to understand the process of installing the helicoil insert. http://www.youtube.com/watch?v=RFYa6sjhh_E
DaleD
DaleD
10-04-2011, 02:34 PM
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RE: CM6 Insert Bushing
Looked up the heli-coil web-site. I have to know the thread size of the plug. Paragon & others say it would be cheaper to replace the head. Am trying to get a price for it.
10-04-2011, 04:22 PM
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RE: CM6 Insert Bushing
From a search results thread:
"Clarence Lee can fix the threads with a heli-coil for about $20. His address is is the classifieds of Model Aviation. You only need to send the head to him. His business is "Lee Custom Engines" 1-818-352-3766."
Good luck.
Sincerely, Richard
"
"Clarence Lee can fix the threads with a heli-coil for about $20. His address is is the classifieds of Model Aviation. You only need to send the head to him. His business is "Lee Custom Engines" 1-818-352-3766."
Good luck.
Sincerely, Richard
"
10-05-2011, 03:51 AM
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RE: CM6 Insert Bushing
You can also get an insert at RCextremepower.com
Check out the insert on the ignition page below.
You'll also need a 14mm tap and the right drill bit.
http://www.rcextremepower.net/ignitions.html
Check out the insert on the ignition page below.
You'll also need a 14mm tap and the right drill bit.
http://www.rcextremepower.net/ignitions.html
10-05-2011, 08:42 AM
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RE: CM6 Insert Bushing
Called Clarence Lee in Ca. Sent him the head. He will install the heli-coil for $15.00 plus ship it back. If I went with the adapter in RCX
I would have to get a drill bit a 14MM tap plus the adapter. I think sending it out to have him do it was the safest & cheapest way.
