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-   -   993 style cam (no keyway) in a 3.0 engine? (http://forums.pelicanparts.com/911-engine-rebuilding-forum/749541-993-style-cam-no-keyway-3-0-engine.html)

johnsjmc 05-20-2013 04:36 PM

Living in toronto it,s an easy drive to Buffalo for cheap shipping. There are a number of ups stores which will receive and hold a parcel for maybe $10. I do it from Port Huron Mich all the time.

Mark Henry 05-20-2013 04:48 PM

Other side of the GTA, Buffalo trip < 6 hour round trip, Just my time is worth more to me... let alone the gas, etc.
My crank grinder with will weld and resize the cam ends and I can cut the key.
SmileWavy

Mark Henry 03-24-2016 08:16 PM

I just realized I didn't update this thread on how I got around this issue,

First I had the crank grinder outfit I use submersion weld the step in the nose of the cam, the small amount of porosity is no issue. They then ground it back to size.
I also had them cut off the adjuster drive and power steering drive. IIRC they only charged me $80 in total.

Now great, but I still need a woodruff key slot. I got a cutter from china, but figured that's not going to work as the cam material is hard as hell, dang....what to do?

So I experimented with a few dremel grinding stones, found one that would cut the hardened cam material. I then dressed a couple of stones to the size I wanted with a diamond dresser.
Then with my good old lathe and slide from a Taig lathe I made a jig to hold my air die grinder. I chucked the cam in the lath and made a simple block to index the cam on the cams corresponding index blocks.
Then I painted the cam ends with some Dykem blue, marked the keyway and had at it.


http://www.914world.com/bbs2/uploads...1405232075.jpg

http://www.914world.com/bbs2/uploads...1405232109.jpg

http://www.914world.com/bbs2/uploads...2189_thumb.jpg

http://www.914world.com/bbs2/uploads...1405232149.jpg

http://www.914world.com/bbs2/uploads...1405232169.jpg

cut off adjuster drive.

http://www.914world.com/bbs2/uploads...1405342129.jpg

http://www.914world.com/bbs2/uploads...1405342281.jpg

Mark Henry 03-24-2016 08:25 PM

Perfect fit, light hammer taps to seat the key just like stock and the sprocket base is a perfect tight slip fit.

No more funky late sprockets with the expensive adjustment tools., back to the early sprockets.


http://www.914world.com/bbs2/uploads...1405342403.jpg

http://www.914world.com/bbs2/uploads...1405342463.jpg


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