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> Rebuiding Inside-out
bkrantz
post Oct 16 2019, 08:47 PM
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I realize most rebuilds go from the inside to the outside, but I am struck by how straight and clean the outer panels, including paint, look on my 73 2.0. And all the nasty stuff is hidden underneath--which I know is also not unusual.

Any way, I bought the car knowing most of what it was: a 2.0 with all the sport and appearance group equipment, including 5 good Fuchs, and the original fuel injection. The original engine is confirmed by a COA. In contrast to the exterior the interior was mixed at best, with some funky carpet. And the front and rear trunks (and engine compartment, and interior) had been sprayed with black undercoating.

So after a month, I have the car stripped to a bare shell, except for suspension and steering. I measured everything I could, and the body is very square and on spec. I need to patch some local rust spots, and replace the rear floor. And then do some minor straightening: right headlight bucket, front edge of right front fender, rear panel, etc.


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bkrantz
post Jan 9 2023, 08:01 PM
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And I used a puller to take off the blower hub.


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bkrantz
post Jan 9 2023, 08:03 PM
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I finally drained the oil. This was the second fill after startup.


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bkrantz
post Jan 9 2023, 08:04 PM
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And with the cross bar and engine mounts, I could access the pump.


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bkrantz
post Jan 9 2023, 08:05 PM
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Pump cover off.


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bkrantz
post Jan 14 2023, 09:38 PM
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After some more investigation, as reported on my other thread about oil leaks, I can say (with embarrassment) that the oil filter was loose and probably responsible for much of the leaked oil.

One other culprit might be the pump cover. I want to make sure the mating surface is flat. So I got out my new reference flat: a piece of machined aluminum plate. I got this at one of my favorite stores, Industrial Metal Supply, in Tucson. They sell just about any type and grade of metal, including aerospace stuff. They also have a room of cut-off pieces, sold by the pound. I paid something like $30 for this machined plate. It has a few scratches, but will serve this purpose.


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bkrantz
post Jan 14 2023, 09:39 PM
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Here's the cover, cleaned up and old sealant removed. You can see some uneven scoring from the pump gear.


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bkrantz
post Jan 14 2023, 09:40 PM
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To check the cover flatness, I sprayed the mount surface with flat black.


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bkrantz
post Jan 14 2023, 09:41 PM
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800 grit paper on the aluminum.


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bkrantz
post Jan 14 2023, 09:42 PM
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Some light sanding shows that two corners are high.


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bkrantz
post Jan 14 2023, 09:43 PM
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I got out some 400 grit paper, to start making the cover flat.


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bkrantz
post Jan 14 2023, 09:44 PM
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First round of sanding, and the cover sure looks uneven, and especially high from lower left to upper right.


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bkrantz
post Jan 14 2023, 09:46 PM
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After about 30 minutes, but still not quite even. But time for dinner.


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930cabman
post Jan 15 2023, 08:19 AM
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I would bet there is a probability for leakage at the pump cover. How much out of whack would you estimate the cover was? It looks as though it is stamped steel with rolled edges.
A loose filter could also create some mess.

Thanks for the investigative work
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bkrantz
post Jan 15 2023, 08:41 PM
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QUOTE(930cabman @ Jan 15 2023, 07:19 AM) *

I would bet there is a probability for leakage at the pump cover. How much out of whack would you estimate the cover was? It looks as though it is stamped steel with rolled edges.
A loose filter could also create some mess.

Thanks for the investigative work


Yes, stamped steel with folded edge, and then machined. But certainly not flat when installed.
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bkrantz
post Jan 15 2023, 08:43 PM
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More 400 grit. Not perfect but getting tired, so good enough? (IMG:style_emoticons/default/confused24.gif)


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bkrantz
post Jan 15 2023, 08:43 PM
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Then 800 grit.


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bkrantz
post Jan 15 2023, 08:44 PM
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And 1000 grit. Shiny and ready.


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930cabman
post Jan 16 2023, 06:01 AM
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With a very thin paper gasket?
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Puebloswatcop
post Jan 16 2023, 06:30 PM
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Hoping that after all of the detective work and manual labor this is the solution......
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bkrantz
post Jan 16 2023, 08:24 PM
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QUOTE(930cabman @ Jan 16 2023, 05:01 AM) *

With a very thin paper gasket?


Good question. I would like to hear from others. I did not use a gasket originally.
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