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MH475

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Michael QLD OZ
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PostPosted: Thu Aug 10, 2017 8:00 pm    Post subject: Re: MH475 Reply to specific post Reply with quote

Well the dry ice routine did not appear to achieve anything, but it should have disrupted the rust connection somewhat. This morning I wet
vacced out the cylinder again and heated up some atf to about 170 deg C then filled the cylinder up. i will let it sit till next days off.
Picture from the sump upwards shows that not much has changed and I still have not got atf between piston and liner.

 
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Michael QLD OZ
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PostPosted: Thu Dec 07, 2017 3:29 pm    Post subject: Re: MH475 Reply to specific post Reply with quote

So I finally made abit of space in the shed to have a propper look at this engine.
It took a bit of a push from another import but got it headed towards some shade to work in.

Before I start pulling it down, I will show a little optimism, can anyone tell me how to set this engine to top dead centre number one on the compression stroke, with the valve train off, so that all valves are shut, is it as simple as finger over the injector port on number 1

 
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Michael QLD OZ
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PostPosted: Fri Dec 08, 2017 9:56 pm    Post subject: Re: MH475 Reply to specific post Reply with quote

Being a 4 cyl with only 2 valves per cylinder, I believe that if I leave the crank in place with the cam shaft. When the rear most cam lobe is at its heightest point then bothe valves on the front cylinder should be closed and the piston should be at the top of the compression stroke. I think, cause that is how I would set the valve gap for the first valve. Just not sure, but no matter I have plenty of work to do before I get to that.
 
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Michael QLD OZ
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PostPosted: Sat Dec 09, 2017 9:41 pm    Post subject: Re: MH475 Reply to specific post Reply with quote

Rocker cover off again and the atf has cleaned things up a bit.
Valve train off.

Push rods out, the tips seem good but each one is showing lots of surface rust about halfway down.

Exhaust manifold seems to be half filled with mud.

 
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Michael QLD OZ
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PostPosted: Mon Dec 11, 2017 1:06 am    Post subject: Re: MH475 Reply to specific post Reply with quote

Got the head loosened and then off, I have certainly seen worse, never owned it.



 
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