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> Rebuiding Inside-out
bkrantz
post May 3 2021, 07:25 PM
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Then time for the cam bearings. I have a full set, plus an extra half with thrust edges.


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bkrantz
post May 3 2021, 07:26 PM
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Cam bearings installed in the right case half.


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bkrantz
post May 3 2021, 07:27 PM
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Cam installed.


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bkrantz
post May 3 2021, 07:28 PM
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Gears indexed--probably the easiest step in the engine build.


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bkrantz
post May 3 2021, 07:29 PM
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And cam bearings in the left case half. This is where the extra half cam thrust bearing goes, including the tab.

That should be everything before putting the case together for real. I will not install the distributor drive gear since I plan to run an electronic ignition with no dizzy.


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kroelofsen
post May 4 2021, 04:55 AM
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QUOTE(bkrantz @ May 4 2021, 03:23 AM) *

Bolted and torqued.

Hi, I did exactly the same but later had to remove the washers as the bolt heads were touching the oil pump... check it before joining the 2 engine halves...
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bkrantz
post May 4 2021, 06:56 PM
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QUOTE(kroelofsen @ May 4 2021, 04:55 AM) *

QUOTE(bkrantz @ May 4 2021, 03:23 AM) *

Bolted and torqued.

Hi, I did exactly the same but later had to remove the washers as the bolt heads were touching the oil pump... check it before joining the 2 engine halves...


@kroelofsen , Thank you!!! You saved me hours of aggravation and expense. I owe you at least a six-pack. See below for what I found.
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bkrantz
post May 4 2021, 06:57 PM
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I got out my new oil pump, a Shradek 26mm.


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bkrantz
post May 4 2021, 06:59 PM
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And slid the pump into place, with the cam as I left it yesterday, with the washers on the gear bolts.


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bkrantz
post May 4 2021, 07:00 PM
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And found contact between the bolt heads and the pump body.


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bkrantz
post May 4 2021, 07:02 PM
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So I pulled the cam R&R'd the bolts to omit the washers. Just high-temp red Loctite to hold the bolts in place.


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bkrantz
post May 4 2021, 07:03 PM
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Cam and pump back in place.


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bkrantz
post May 4 2021, 07:05 PM
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Now there is daylight between the bolt heads and the pump.


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bkrantz
post May 4 2021, 07:05 PM
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I measured .042 inch clearance.


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bkrantz
post May 4 2021, 07:07 PM
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But then found another problem. The rotor stud is bottoming out against the cam end, and so does not sit completely inside the pump body.


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bkrantz
post May 5 2021, 07:55 PM
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Checking the drive rotor, the shaft is not pushed all the way into to gear.


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bkrantz
post May 5 2021, 07:56 PM
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A quick visit to the hydraulic press...


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bkrantz
post May 5 2021, 07:57 PM
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Now the shaft is flush.


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bkrantz
post May 5 2021, 07:58 PM
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I also checked the clearance of the oil pump case against the end of the cam. The depth to the cam end is 38.85 mm.


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bkrantz
post May 5 2021, 08:00 PM
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The depth of insertion of the pump case is 38.84 mm--no clearance!


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