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 Post subject:
PostPosted: Sat Jul 30, 2011 9:39 pm 
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Joined: Sun Sep 20, 2009 7:19 pm
Posts: 1301
Location: 5 mi. from Frank
The more I study that picture of the xmsn with the dented-in casing,
the more perplexed I get. :? -- I can't figure out why it would DENT
IN like that, and not CHIP OR BREAK OFF a chunk. :? Alternatively,
why would it not SPLIT the casing instead? :shock:

Stuff that only professional wrenches and metallurgists would know,
but certainly not me!

All Z Best,..............................Kathy & Rick

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All Z Best,.......Kathy & Rick

1969 Z.CAR (#00013 10/69) 8/30/76
1969 ITSA.Z (#00171 11/69) 8/24/73
1970 OLD.Z (#06289 6/70) original owner
1971 510 2dr since 12/31/75
1969 1600 rdstr (our 160-Z)
1971 (#19851 1/71) sold
1975 75.Z (#01343 1/75)


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 Post subject:
PostPosted: Sat Jul 30, 2011 10:26 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 14779
Location: CT
Dropped just hard enough to smush an unsupported aluminum donut, but not hard enough to snap bolts or break a case full of steel rods and gears?

If he had dropped any part of his YAK50 from the same height, it never would have flown again! :?

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1970 240Z


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 Post subject:
PostPosted: Sun Jul 31, 2011 12:18 pm 
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Joined: Wed May 25, 2011 9:27 am
Posts: 56
Location: Phoenix, AZ
Drop the Yak and we'll be needing some concrete repair... (is the old joke about well built Russian airplanes).

The engine fall was more of a slip and strike than a full out drop from 3 feet. The failing strap slowed it down on the way to the ground. Still a quantum act of buffoonery.

My goal building this engine was to learn and have fun. I made some mistakes along the way but everything can be fixed.

On this leak... I think I am going to try to seal externally. Maybe I can force some goop in the leak or draw it in with a slight vacuum on the breather.

Then start sorting out the carbs which is a whole other project..

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240z DCOE40 / F54 / N42 / L490 Isky
Thank you Total Seal!
Not a DD


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 Post subject:
PostPosted: Sun Jul 31, 2011 12:37 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 14779
Location: CT
I only ever learn from mistakes. I never learn anything from success, except blind luck.

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1970 240Z


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 Post subject:
PostPosted: Mon Aug 01, 2011 9:21 pm 
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Joined: Wed May 25, 2011 9:27 am
Posts: 56
Location: Phoenix, AZ
I am not proud of this.


Attachments:
Repair.jpg
Repair.jpg [ 72.35 KiB | Viewed 3298 times ]

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240z DCOE40 / F54 / N42 / L490 Isky
Thank you Total Seal!
Not a DD
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 Post subject:
PostPosted: Mon Aug 01, 2011 9:34 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 14779
Location: CT
Wellllll, paint over it and nobody will notice........ :roll:

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1970 240Z


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 Post subject:
PostPosted: Mon Aug 01, 2011 9:52 pm 
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Joined: Wed May 25, 2011 9:27 am
Posts: 56
Location: Phoenix, AZ
I plugged the Case and Cam vents and stuffed a shop-vac hose in the oil fill hole making a vacuum.

Then let nature draw the goop into the void just a little.

Lessons learned:
1) Don't use the lifting strap bolted to the head for anything.
Lift by the block. Cast iron vs. aluminum.

2) Lapping head / block / must check and lap fit of the front cover (duh).

3) NEVER put a thermostat in a new engine (missed that day of class).

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240z DCOE40 / F54 / N42 / L490 Isky
Thank you Total Seal!
Not a DD


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 Post subject:
PostPosted: Mon Aug 01, 2011 10:23 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 14779
Location: CT
That actually sounds like a pretty clever idea. Now, how do you intend to clean this up?

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1970 240Z


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 Post subject:
PostPosted: Mon Aug 01, 2011 10:34 pm 
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Joined: Wed May 25, 2011 9:27 am
Posts: 56
Location: Phoenix, AZ
Frank T wrote:
That actually sounds like a pretty clever idea. Now, how do you intend to clean this up?


I'll just delete all these posts next week, why?

TJ

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240z DCOE40 / F54 / N42 / L490 Isky
Thank you Total Seal!
Not a DD


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 Post subject:
PostPosted: Tue Aug 02, 2011 7:53 am 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 14779
Location: CT
:lol:

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1970 240Z


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 Post subject:
PostPosted: Tue Aug 02, 2011 7:57 am 
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Joined: Mon Sep 21, 2009 3:55 pm
Posts: 3594
Location: Naugatuck CT
never leave a dark chocolate candy bar on a hot engine..... :lol:

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Mike Tubiak
1978 Datsun 280Z - HLS30-438694


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 Post subject:
PostPosted: Thu Aug 04, 2011 7:50 am 
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Joined: Wed Jul 23, 2008 2:38 pm
Posts: 3411
Location: rhode island
Just got back in town and reading this, from what it looks like you had the same tail shaft, both have one ear from what I can tell in the pic. well you have it done, and I was going to say, yes easy job, as long as shift rods are lined up. I just did this myself, used silcon for the sealer. My only suggestion would be to put a NEW bearing collar in the tail shaft end. If there is any play you will have vibration issues, and eventually the new seal will leak. I changed mine for a btter bearing, but eventually will put one in the older tail shaft, then reinstall the original tail shaft. Of course would like to find a 81-83 trans....hint. Did you install a new front cover seal? I glue the gasket to the cover with 3M black weather adheasive, then a thin layer of silicon on the other side, and a little on the threads of the bolts, and always silicon in any corner. Then eavenly torqued down in pattern. BTW, looks awesome.


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 Post subject:
PostPosted: Tue Aug 16, 2011 5:02 pm 
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Joined: Wed May 25, 2011 9:27 am
Posts: 56
Location: Phoenix, AZ
I swapped the tailcones and shifter linkage and reverse protection thing.
Works great, no leaks.

My other tranny is an earlier style 5 speed and I think my machine shop can repair the cracks in the housing and then I can rebuild that other tranny and have a spare.

ALthought it won't be a "Close Ratio" 1983 style...

TJ

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240z DCOE40 / F54 / N42 / L490 Isky
Thank you Total Seal!
Not a DD


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 Post subject:
PostPosted: Tue Aug 16, 2011 9:52 pm 
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Joined: Wed Apr 09, 2008 5:53 pm
Posts: 14779
Location: CT
Now all you have to hope for is that the reverse light switch actually works!

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1970 240Z


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