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> Rebuiding Inside-out
bkrantz
post May 8 2021, 08:22 PM
Post #2761


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I remembered the new cam plug.


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bkrantz
post May 8 2021, 08:23 PM
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And I got out the case hardware.


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bkrantz
post May 8 2021, 08:24 PM
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Here's the right case half with the through bolts installed.


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bkrantz
post May 8 2021, 08:27 PM
Post #2764


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As recommended by Dan at Competition Engineering, I got this Permatex sealant.


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bkrantz
post May 8 2021, 08:28 PM
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Which completes the red assembly theme.


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bkrantz
post May 8 2021, 08:29 PM
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Cam plug installed. And I remembered to add more sealant on the other case half in the plug seat.


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bkrantz
post May 8 2021, 08:32 PM
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With all the hardware installed and torqued, the case is done! And the crank spins!


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djway
post May 8 2021, 09:51 PM
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(IMG:style_emoticons/default/beerchug.gif)
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Puebloswatcop
post May 9 2021, 09:23 AM
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(IMG:style_emoticons/default/beerchug.gif) Awesome progress...Also glad you remembered the new cam plug, forgetting that tends to cause rather large oil leaks... (IMG:style_emoticons/default/lol-2.gif)
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bkrantz
post May 9 2021, 02:36 PM
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I almost forgot it, since I was maneuvering the left case half to lower it down, and had a helpful burst of memory--and then stopped to put the plug in.

And I overdid the sealant. I had some fun today cleaning off the excess.
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bkrantz
post May 9 2021, 02:38 PM
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Today was oil pump day. I have played with it so much it seemed like an old friend.


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bkrantz
post May 9 2021, 02:39 PM
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As expected, the case interferes with one corner of the stamped steel cover.


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bkrantz
post May 9 2021, 02:39 PM
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A quick trim with a cut-off wheel and then some grinding to smooth, and ready to go on.


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bkrantz
post May 9 2021, 02:40 PM
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But first I installed the pump body and gears. The body was a tight fit to press into the case.


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bkrantz
post May 9 2021, 02:41 PM
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I used the sealing pump nuts--not sure if really necessary.


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bkrantz
post May 9 2021, 02:42 PM
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And then buttoned-up with the cover.


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pilothyer
post May 10 2021, 03:31 PM
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wrong post
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iankarr
post May 10 2021, 10:11 PM
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Awesome work, as usual. I also spent tons of time with my 26mm oil pump...but I wouldn't call it a friend. Definitely the most challenging part aside from the bearing tolerances.

Question...did you check your oil pump cover for flatness? I had heard that they can be somewhat warpy from the stamping, and indeed mine was a good 1/16 convex out before I lapped it flat on a piece of glass.
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bkrantz
post May 11 2021, 09:00 PM
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QUOTE(iankarr @ May 10 2021, 10:11 PM) *

Awesome work, as usual. I also spent tons of time with my 26mm oil pump...but I wouldn't call it a friend. Definitely the most challenging part aside from the bearing tolerances.

Question...did you check your oil pump cover for flatness? I had heard that they can be somewhat warpy from the stamping, and indeed mine was a good 1/16 convex out before I lapped it flat on a piece of glass.


Thanks, Ian. I did check it visually against a flat reference, but not with extreme accuracy. I guess I will find out if it does not seal. (IMG:style_emoticons/default/idea.gif)
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bkrantz
post May 15 2021, 07:44 PM
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Time to check the crankshaft end play.

I started with a new flywheel. The original was badly scored and grooved.


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