Printable Version of Topic

Click here to view this topic in its original format

914World.com _ 914World Garage _ How much needs to be cut off the lover valve covers

Posted by: PanelBilly Feb 4 2014, 09:58 PM

Distributor went to Jerry Woods today. Yesterday I ordered the flywheel. Cams left for Webcams on Friday. I need to keep the ball rolling so everything is ready when the machine work is done in March. Checking the brain-trust for the modification that needs to be made to the covers

Posted by: tomeric914 Feb 4 2014, 10:06 PM

QUOTE(PanelBilly @ Feb 4 2014, 10:58 PM) *

Distributor went to Jerry Woods today. Yesterday I ordered the flywheel. Cams left for Webcams on Friday. I need to keep the ball rolling so everything is ready when the machine work is done in March. Checking the brain-trust for the modification that needs to be made to the covers

None. Use the aluminum 911SC valve covers. Turbo valve covers are NOT needed.

The key is to sand the valve covers flat. I use a piece of 12" x 12" marble tile with 220 grit sandpaper taped to it. No leaks for the past 2+ years.

Posted by: GeorgeRud Feb 5 2014, 12:18 PM

If you already have the turbo lower valve covers, you just need to machine the ribs down in the area where the rear suspension arms attach. There are pics out there here room the bird boards that show the amount needed.

Posted by: PanelBilly Feb 5 2014, 01:00 PM

I was searching bird last night and didn't see it.

Posted by: mskala Feb 5 2014, 01:04 PM

I probably have my own pictures at home, but it is really not something easily
seen. For me it was necessary to go back and forth; grind a bit, check, grind a bit ...

Also, if you are simply in a hurry to get going, there's nothing stopping you from
using the 930 covers intact, it's just that to remove them you will need to lower the
engine. So you could just put off the whole thing until the next valve adjust/oil change.

Posted by: toolguy Feb 5 2014, 01:20 PM

Here's a solution from a different direction. . . I pulled all my lower covers studs and use allen socket bolts. . makes it clean and simple. .

Posted by: McMark Feb 5 2014, 01:56 PM

Here's a couple of not too great pictures. My technique, leave the lower covers off and then put the motor in the car and keep tweaking them until they go on. Once they go on, they'll come off as well.


Attached image(s)
Attached Image Attached Image

Posted by: Mark Henry Feb 5 2014, 02:20 PM

Just mill all the ribs down to the top of the bolt holes.
Still plenty strong enough and looks the best.

I'll get a pic smile.gif

Posted by: Mark Henry Feb 5 2014, 02:27 PM

I like my covers shaved smile.gif


Attached image(s)
Attached Image

Posted by: worn Feb 5 2014, 02:49 PM

QUOTE(Mark Henry @ Feb 5 2014, 12:27 PM) *

I like my covers shaved smile.gif

Looks nice Mark. I think I will go that way too. Nother excuse to overwork a too small milling machine.

Posted by: Socalandy Feb 5 2014, 03:05 PM

agree.gif shaved


Attached thumbnail(s)
Attached Image

Powered by Invision Power Board (http://www.invisionboard.com)
© Invision Power Services (http://www.invisionpower.com)