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Av8ferg

L28 from 82 ZX teardown

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Okay, here she is. This paint is called Cast Coat Iron DE1651 by Duplicolor.
I think it looks pretty awesome.

41355c91887cc30c7e5a84e4706237db.jpg


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I couldn't remember who went with that color and it was Whee! 
My brain is relieved LOL for a minute...

Cliff, you need to keep your library more organized. The Dui Decimal System is outdated.


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6 hours ago, siteunseen said:

I couldn't remember who went with that color and it was Whee! 

My brain is relieved LOL for a minute...

Your brain took a wheee?  

Was that wrong?  It feels wrong.

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3 hours ago, Av8ferg said:


Cliff, you need to keep your library more organized. The Dui Decimal System is outdated.


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They made a newer classification for me and my friends, 1,000 to 1,999.  B)

Image result for the wayouts

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1 hour ago, Zed Head said:

Your brain took a wheee?  

Was that wrong?  It feels wrong.

I have a wheee brain....

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3 hours ago, siteunseen said:

They made a newer classification for me and my friends

Man.... You're way out.*

And I'm in line one number behind you!!   :victorious:   Hahahaha!!!!

* Way out!

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We actually have the correct engine block color. Years ago we took an unmolested part to one of our paint suppliers and had them match color and save the formula. I have the paint in single stage for brush-on (or HVLP) and they also make spray cans. We've painted blocks both ways and I find it easiest to brush-on the block and spray parts like pulleys, brackets, and idler parts. IDK if I'm ready to sell and ship block paint, but not painting a block in stock Datsun Blue is one of my OCD triggers...

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3 hours ago, siteunseen said:

There it is!

EDIT: There HE is! 

So I'm #1 and you're #2. That makes @wal280z #3? There's four Wayouts, @240260280 maybe?

I'm too tall to be a member of the band, but maybe I could be the manager?

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16 hours ago, siteunseen said:

There's four Wayouts,

It was a loooooong time ago that I saw that episode. Despite all the abuse, some brain cells just won't die.  LOL!

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Went to see how my head looked at the Machine Shop while dropping off the valve stem seals.
Looks pretty good, all valve seats were redone and the one bad one replaced. Looks like he took another .009 off the head to get the surface to a place he thought was good. There is still some minor corrosion pits left but he thinks it will not be a problem and recommended this copper gasket spray to put on the gasket if I wanted better assurance of a perfect seal.
Right now the head measures 4.241”. Stock I believe is 4.255”

Here are the pics

2f3efbcc5af32f516af357ed7f2a3406.jpgbb0afa2f4cea9eab7945b71bef65c234.jpg


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I would fill those pits with something as they are outside of the piston sealing region but would make a nice "chain of lakes" for coolant to leak.

Some JB Weld to fill and a flat to knock down would do the trick.  I'd rather have some micro bumps rather than the big pits.

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I’ve been researching the idea of Filling these holes. JB Weld, Devon Aluminum Epoxy and another product called Alvin Hi-Temp. They’re all similar product. I think I’ll try the JB Weld. I don’t think it would be a problem even if I left it alone because they are so minor.

 

 

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Ready for assembly...
Got bearings, main seals and new head bolts.
Waiting on my rings and head gasket.
Reading trough the “ How to modify your Datsun OHC engine” last night he states that you only need to worry about shimming cam towers and chain slack when the head has be shave .0030 or more from stock. So I’m thinking I should be good with my .0014.

76b0388f7e6459b1c3121d315e823d31.jpge6df1c4c2ba22c71cf124bdf94784cbc.jpg


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On ‎10‎/‎30‎/‎2019 at 4:43 PM, 240260280 said:

Some JB Weld to fill and a flat to knock down would do the trick.

I concur. A little JB Weld "spackle" in those divots should be fine. I like the chain of lakes analogy.

So I've never used that copper spray stuff... Is it "authorized" for use on head gaskets?

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I've used the copper spray on every head gasket I installed with no problems.. even on lawn mowers and snow blowers.  Belts and braces when ever possible.

 

image.png

Edited by 240260280
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I had an “Oh Crap!” moment today installing the crankshaft. Was almost finished and torquing the main caps down. Followed the book exactly. While torquing cap #5 it happened. When the bolt goes from tight to loose all of a sudden. Yep, she broke. Torque wrench was set to 38 ft lbs. book says 33-40 ft lbs. I opted for something in the middle. Only good thing was there was enough threads sticking out after removing the cap that I was able to grab it with a vise grip and she came out easily. No tapping required. So, I’m at a work stoppage. I’ve lost confidence in the rest of the bolts so I’m ordering a new set.

http://datnissparts.com/ld28-main-cap-bolts-set-of-14-for-datsun-l6-l24-l26-l28-240z-260z-280z-280zx-810-910-maxima-12293-v0700/

Planning on buying these.

Yes, I confirmed the torque setting, wrench is new and high quality and I didn’t miss the break point inadvertently.

c402e08135fd0f5b8c717791dc1b8cb5.jpg92141c46f0cbef6a89a092c89c63c71a.jpg



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