Dave,

   Are you using a gasket between front cover and housing ??.............

Kelly troyer

On Mon, May 13, 2013 at 1:34 AM, David Leonard <wdleonard@gmail.com> wrote:

Chris,

FWIW I have always had good with nothing but RTV on the front cover including the oil passage.  One rebuild a couple years ago I decided that RTV was not good enough and I installed an o-ring with plastic recessed washer ala Bruce Turrintine's video.  Well, that lasted about a month before I had low oil pressure issues and had to remove the front cover.  I put RTV back in and have had no problems since.  That stuff is amazing.  

-- 
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net

On Sat, May 11, 2013 at 6:29 PM, Todd Bartrim <bartrim@gmail.com> wrote:

Yes. I did this long ago, before first flight. Never had any problem with it.

Todd Bartrim

On Sat, May 11, 2013 at 6:01 PM, Kelly Troyer <keltro@gmail.com> wrote:

Todd,

  So you now take oil from the drilled out brass plug in the front (rear in A/C) side plate.............Correct ??

Kelly Troyer

On Sat, May 11, 2013 at 7:41 PM, Todd Bartrim <bartrim@gmail.com> wrote:

Hi Chris;

  Still here. Sorry to hear it didn't hold. I was hoping it would prove successful, however I do feel fairly confident that mine will hold up (I hope). 

    Unfortunately I've not tested it yet. After that mod and a little other work, I completely removed every last item from my firewall in order to install an unbroken sheet of fireproof blanket. I also want to redo all my firewall penetrations as it had become a little piecemeal as I'd added more stuff as finances allowed and new stuff became available. 

   But before I could get that back together, after hockey season finished I took off to Mexico for a month of diving and since I've returned the last of the snow has now melted so I'm going hard working outside. Can't see much time on the horizon right now either has in addition to my regular workload I've got a kid that in addition to baseball has decided to become a goaltender for next hockey season, so I've got to spend a week of my summer vacation taking him to a very expensive goalie school not to mention working to pay for all the new expensive goalie gear that he'll need. And no doubt grow out of shortly after.

   When I started this project I had no responsibilities. None. It was so easy back then.

Hope you are able to repair it without trouble. Something else to consider if you haven't already. I also previously drilled my front iron (rear in the plane.. well at least in a tractor plane) for the oil outlet. Now the only reason I don't plug the hole completely is to allow oil to the relief valve. So long as that valve doesn't open there is no flow through the little bushing into the front cover. Not sure that would make any difference at all, but I did consider it when making my bushing very robust knowing it wouldn't have to allow full flow.

Todd

The trouble with trouble is it always starts out fun!!!

Todd Bartrim

On Sat, May 11, 2013 at 4:27 PM, Chris Barber <cbarber@texasattorney.net> wrote:

Todd Bartrim....you still here?

 

To add insult to injury, after loosing my engine over Pearland Regional Airport (LVJ) a few weeks ago, which we seem to be able to attribute to some gunk found in the Mistral fuel rail clogging the small return orifice, I am also having low oil pressure AGAIN.  I have yet to pull the front cover, however, I am leaping to the conclusion that the front cover o-ring is causing the problem.  I have tried to address this issue several times now.  I have installed the extra support ring provided by Maztatrix.  I use no gasket and still have a problem.

 

Similar to you, I installed a small tube in the passage last time I messed with this to hopefully prevent the oil ring blowing out....if I understand correctly due to cold start pressure.  However, unlike you, mine was just pressed in aluminum tube modified to fit with holes drilled in the tube to still allow flow if the tube dislodged.

 

How is your modification working?  What thoughts do you, or others, have?

 

I think I know the other things that could cause low pressure and do not think they are the issue (such as the pump retaining key slipping out, pressure regulator falling out as it safety tied etc).  It is a new oil pump replaced the last time this problem happened.

 

I hopefully will get out to the hangar I rented at LVJ tomorrow and remove the cover to know more but am curious about your success or lack of.

 

Thanks

 

Chris Barber

Houston

Ellington Field (EFD)