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Sump fit IO360C1C6 to A1B6

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rv8iator

Joined: 11 Apr 2006
Posts: 144
Location: Newberg, OR

Posted: Wed Apr 07, 2010 11:49 am Post subject: Sump fit IO360C1C6 to A1B6

Greg,



Thanks for the nugget!  This confirms what Bart had said regarding interference with the engine mount.  It appears that I will have an extra 'C' sump as I will be purchasing the 'A' sump and pipes.



One question remains.  Charlie posted a link to IDGs Picasa web album that shows a RV-8 engine installation with an IO-360 parallel valve with a 'C' sump machined to fit the fuel servo to the front.  It appears there is clearance between the rear of the sump and the engine mount.



http://picasaweb.google.com/intelligentdesigngroup/FirewallForward#5311619666248489490



Still head scratching...



chris stone  RV8  Oregon

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_________________
C. Stone (RV8iator)

bigdog(at)bentwing.com
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Posted: Wed Apr 07, 2010 1:35 pm Post subject: Sump fit IO360C1C6 to A1B6

Chris,

It may work fine on an RV-8 since the mount is going to be different from

the -6. On the -6 the sump did not touch the mount with new isolators. It

had about 1/8 inch clearance. Considering sag over time and the normal

movement I had the two offending tubes rewelded with a kink in them. Without

the gear going into the mount the geometry change might provide the

clearance. When I get home tonight I'll try to dig up the pictures showing

the engine with the modified mount so you can compare it with Charlie's.



Greg



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chaskuss(at)yahoo.com
Guest

Posted: Wed Apr 07, 2010 2:08 pm Post subject: Sump fit IO360C1C6 to A1B6

Chris,

 For an RV8, the C style sump and intake tubes will work when converted for a forward facing servo. No modification of the engine mount is necessary. Mods are needed for RV6, RV7 & RV9 motor mounts. The C sump will not fit on any A [tricycle gear] model. The links I provided were to threads on the Vans Air Force site. As Greg stated, the intake tube spacers are only needed when using an angle valve sump and tubes on a parallel valve 360 engine.

Charlie Kuss



--- On Wed, 4/7/10, Chris Stone <rv8iator(at)earthlink.net> wrote:



[quote] From: Chris Stone <rv8iator(at)earthlink.net>

 Subject: Sump fit IO360C1C6 to A1B6

 To: rv-list(at)matronics.com

 Date: Wednesday, April 7, 2010, 3:48 PM

 

 Chris Stone <rv8iator(at)earthlink.net>

 

 Greg,

 

 Thanks for the nugget!  This confirms what Bart had

 said regarding interference with the engine mount.  It

 appears that I will have an extra 'C' sump as I will be

 purchasing the 'A' sump and pipes.

 

 One question remains.  Charlie posted a link to IDGs

 Picasa web album that shows a RV-8 engine installation with

 an IO-360 parallel valve with a 'C' sump machined to fit the

 fuel servo to the front.  It appears there is clearance

 between the rear of the sump and the engine mount.

 

 http://picasaweb.google.com/intelligentdesigngroup/FirewallForward#5311619666248489490

 

 Still head scratching...

 

 chris stone  RV8  Oregon

 

 

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