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  #1  
Old 11-26-2006, 10:39 AM
zav6a zav6a is offline
 
Join Date: Dec 2005
Location: Sedalia, Colorado (KAPA)
Posts: 320
Default Pistons

Any recommends on suppliers for non-standard compression ratio pistons? Looking for 9:1 for an 0-320. They will go in Superior through-hardened cylinders.

Duane Zavadil
IO-320 6A
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  #2  
Old 11-26-2006, 12:20 PM
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rv969wf rv969wf is offline
 
Join Date: Sep 2006
Location: Beaver, OK
Posts: 447
Default Combustion Technologies

Quote:
Quote:
Originally Posted by zav6a
Any recommends on suppliers for non-standard compression ratio pistons? Looking for 9:1 for an 0-320. They will go in Superior through-hardened cylinders.

Duane Zavadil
IO-320 6A
C O M B U S T I O N T E C H N O L O G I E S
www.combustech.com
Combustion Technologies Inc
1804 Slatesville Road
Chatham, Va 24531
Phone: 434-432-1428
Fax: 434-432-1429
E-mail: info@combustech.com

Part number you need is (ASC 15357F) This is a forged CNC machined 9:1 piston for a 320 Lycoming. They also have a 9:5 piston if your interested. Combustion Technologies is who makes pistons for Superior the last I new. They also build many of the Winston Cup NASCAR pistons. I had a set of custom 10:5 pistons made and they looked to nice to put inside an engine. Very quality part. Hope this helps, AJ
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Beaver, OK in NO MANS LAND
RV-6 IO360A1B6 C/S Hartz 200HP ?
Also Fly North American NAVIONs
Race car engine builder/Machinist/Fabricator 1982--present.

Last edited by rv969wf : 11-26-2006 at 12:29 PM.
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  #3  
Old 11-26-2006, 12:51 PM
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RV6_flyer RV6_flyer is offline
 
Join Date: Jan 2005
Location: NC25
Posts: 3,503
Default

The racers on the Left Coast (aka: West Coast) use http://www.lycon.com/ for their race engines. Lycon uses their own NFS pistons. http://www.lycon.com/nfs.htm


There is a long list of well know pilots on their web site that use their pistons.
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NC25 RV-6
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  #4  
Old 11-26-2006, 06:13 PM
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Jconard Jconard is offline
 
Join Date: Apr 2005
Location: Twin Cities
Posts: 438
Default

I used lycon to get NFS pistons, not super high compression, but easier to get VERY close balance. As I recall, total to port barrels and add custom pistons was only a few hundred bucks per jug.
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  #5  
Old 11-26-2006, 10:02 PM
zav6a zav6a is offline
 
Join Date: Dec 2005
Location: Sedalia, Colorado (KAPA)
Posts: 320
Default Advice

Thanks gents. Saved me a lot of time.
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