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> Rebuiding Inside-out
bkrantz
post Sep 24 2021, 07:53 PM
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New knobs!


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bkrantz
post Sep 24 2021, 07:58 PM
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A final trinket: after many months of searching, I found a Porsche crest button for the Nardi wheel that came on the car. I know after-market steering wheels upset some people, but one of the things I changed on my first 914 was the wheel.


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bkrantz
post Sep 24 2021, 07:59 PM
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And I like this as the only Porsche crest on the car.


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bkrantz
post Sep 24 2021, 08:01 PM
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After that, I fastened down the arm rest, with the hidden control for the hidden audio system, complete with USB plug for phones.


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bkrantz
post Sep 24 2021, 08:02 PM
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Here's a shot of the interior, complete except for doors and windshield.


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djway
post Sep 24 2021, 10:19 PM
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SWEET
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seanpaulmc
post Sep 25 2021, 05:13 AM
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QUOTE(bkrantz @ Sep 24 2021, 10:02 PM) *

Here's a shot of the interior, complete except for doors and windshield.


Outstanding!

(IMG:style_emoticons/default/beerchug.gif)
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bkrantz
post Sep 25 2021, 07:53 PM
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Thanks, guys. I hope all the bits stay together when I try driving.
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bkrantz
post Sep 25 2021, 07:55 PM
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More tools! Thats why we play amateur mechanic, right?

I rationalized getting a 12 inch caliper to deal with measuring push rods. And a new dial gauge since my near-antique Sears model was acting odd.


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bkrantz
post Sep 25 2021, 07:56 PM
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And while I was shopping, why not a better dial gauge support thing?


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bkrantz
post Sep 25 2021, 07:57 PM
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But before playing with new toys, I played with new hardware. I got some M5 Allen head bolts.


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bkrantz
post Sep 25 2021, 07:59 PM
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Two of these replace the temporary bolts I used in the centers of the lower sheet metal pieces. This makes my OCD happy, since they match the M6 Allen heads I used for the other spots.


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bkrantz
post Sep 25 2021, 08:01 PM
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OK, time to play with the pushrod lengths again. Here is my new dial gauge set up.


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bkrantz
post Sep 25 2021, 08:03 PM
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I also made a cardboard template to help with judging alignment. This wedge is 14 degrees, which matches the inclination of the valves relative to the perpendicular of the cylinder head faces.


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bkrantz
post Sep 25 2021, 08:05 PM
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Here's a measurement of valve lift on the #1 intake, with a 268 mm push rod length. The lift is .432". I was able to repeat that multiple times.


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bkrantz
post Sep 25 2021, 08:07 PM
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And at half-lift, the rocker arm and adjuster nut line up nicely, so the adjuster and valve stem should be in a straight line.


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bkrantz
post Sep 25 2021, 08:09 PM
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On the exhaust valve, I got a max lift of .410. As expected, this is less than the intake valve lift, since the rocker arm ratios are a little different. I also got excellent alignment. Again, this was with my adjustable pushrod set to 268 mm.


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bkrantz
post Sep 25 2021, 08:17 PM
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For "fun", I installed stock 271 mm pushrods, and .074" shims under the rocker shaft supports. Still on cylinder #1, I got these results:

intake, .432" lift, excellent alignment
exhaust, .412" lift, excellent alignment

I confirmed these by putting the same shims under the rocker shaft supports for #4, with

intake, .432" lift
exhaust, .409" lift

both with excellent alignment

Now I need to decide on my solution: adjustable pushrods or shims.
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barefoot
post Sep 26 2021, 04:21 PM
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QUOTE(bkrantz @ Sep 25 2021, 09:59 PM) *

Two of these replace the temporary bolts I used in the centers of the lower sheet metal pieces. This makes my OCD happy, since they match the M6 Allen heads I used for the other spots.


Yes !!! death the cheese heads, so much easier to deal with using long allen head wrenches (IMG:style_emoticons/default/biggrin.gif) (IMG:style_emoticons/default/biggrin.gif)
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bkrantz
post Sep 26 2021, 07:45 PM
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QUOTE(barefoot @ Sep 26 2021, 04:21 PM) *

QUOTE(bkrantz @ Sep 25 2021, 09:59 PM) *

Two of these replace the temporary bolts I used in the centers of the lower sheet metal pieces. This makes my OCD happy, since they match the M6 Allen heads I used for the other spots.


Yes !!! death the cheese heads, so much easier to deal with using long allen head wrenches (IMG:style_emoticons/default/biggrin.gif) (IMG:style_emoticons/default/biggrin.gif)


Agreed. Just don't say that in Wisconsin.
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