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  #1  
Old 08-04-2018, 12:15 PM
chepburn's Avatar
chepburn chepburn is offline
 
Join Date: Apr 2006
Location: Ottawa , Canada
Posts: 224
Default Intake Pipe ORing Part #?

Hi All,

Been scouring through my parts manuals, A/C Spruce etc trying to find the part number for my intake pipe oring on an IO360A1B. The induction tubes push right into the intake sump and are sealed with an oring. All the seals I have found so far do not look correct.

I cant find the correct part number to order some spares. The oring is red, and 2-1/8 OD and 1-7/8 ID (approx 1/8 dia ring material)

So it isn't the thick style seal...

Anybody have the correct part number they can throw at me?

Thanks for your help
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Chris Hepburn
Ottawa, ON
RV-8 C-GOGO FLYING
Renew 12/20
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  #2  
Old 08-04-2018, 04:36 PM
jrs14855 jrs14855 is offline
 
Join Date: Apr 2008
Location: Lake Havasu City AZ
Posts: 2,393
Default o ring

Try Lycoming 77569. Do a search and you will find a bunch of suppliers. Spruce does list them.
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  #3  
Old 08-05-2018, 05:49 AM
chepburn's Avatar
chepburn chepburn is offline
 
Join Date: Apr 2006
Location: Ottawa , Canada
Posts: 224
Default

Quote:
Originally Posted by RV8JD View Post
For future reference, here is a link to the Lycoming Parts Catalog for the IO, AIO-360-A, -B Series (Wide Cylinder Flange Models).

Pages 6-5 & 6-6 contains the info you're looking for (which "jrs14855" has posted).
Thanks for the reference. I just checked that sump drawing and it shows the thick oring part 77569. The orings on my intake pipes are only 1/8 in diameter, so the 77569 will not fit.

With all the variations in these engines... I guess I have a non-standard manifold sump? I'll have to call Aerosport on Tuesday....
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Ottawa, ON
RV-8 C-GOGO FLYING
Renew 12/20
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