Author Topic: Basic questions from a proud new owner?  (Read 40991 times)

TxBlacksmith

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Re: Basic questions from a proud new owner?
« Reply #15 on: March 30, 2015, 10:08:13 PM »
How do I get the bearing oil lines out of the inside of the crankcase?  Seems to be press fit, but not enough slack to get the straight pipe out.
What am i missing?

dieselgman

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Re: Basic questions from a proud new owner?
« Reply #16 on: March 30, 2015, 10:38:47 PM »
After loosening the fittings that bolt through the block, then the internal lines will telescope into each other just enough to remove the assembly. Try to use only your hands and feel for the movement as you slowly wiggle and turn the pieces. Easy does it.

dieselgman
« Last Edit: March 30, 2015, 10:41:06 PM by dieselgman »
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TxBlacksmith

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Re: Basic questions from a proud new owner?
« Reply #17 on: March 31, 2015, 04:31:46 AM »
Thanks Gary, I had to smack it a little with some small boards, but got em out with no damage.  So far I have been able to get everything apart except the COV insert.  It is still really stuck. 
No telling what you can find buried in the crankcase goo, when cleaning it out.   I found the missing pc to the broken crank bearing casting. 
While I would still rather replace it with an original casting, I want to get this one repaired.
So.....TIG welded or Brazed?  Which would be better?



mike90045

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Re: Basic questions from a proud new owner?
« Reply #18 on: April 01, 2015, 12:31:31 AM »
use the piece to make a new casting mold ?  Or JB-Weld a large washer onto it as a repair ?

dieselgman

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Re: Basic questions from a proud new owner?
« Reply #19 on: April 01, 2015, 01:16:11 AM »
Nice of them to have saved that piece for you! There is pretty good welding technology for making that sort of repair without damaging the overall casting and also making it quite permanent. It is a job for a specialist - or at least someone experienced with welding thin cast iron. One of the tricks is to slowly preheat your parts prior to repairing it and only allowing it cool very very slowly to avoid the development of stress cracks. A welding oven is the cats meow for this type of thing.

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TxBlacksmith

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Re: Basic questions from a proud new owner?
« Reply #20 on: April 01, 2015, 01:26:50 AM »
I have no intention of trying to weld this myself!  I am a decent MIG welder, and can Oxy-Ac weld like crazy,
But I am going ot look for an experienced welder to do this repair.  I am still looking for an original english made
replacement, so I could make this one a spare if possible. 

Would JB Weld hold up on this type of mounting?

broncodriver99

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Re: Basic questions from a proud new owner?
« Reply #21 on: April 01, 2015, 07:32:29 AM »
I think a braze would hold up pretty good. I would put a good thick washer over the repair just to spread the load a little. A Dursley made replacement is still the best scenario but if you have to make it work I think Brass would hold just fine.

TxBlacksmith

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Re: Basic questions from a proud new owner?
« Reply #22 on: April 02, 2015, 12:07:58 AM »
Now that I am getting the crankcase spotless inside, what do I/ should I treat the inside of the crankcase with to inhibit rust, between now and the finish of the rebuild?  Hoping to at least get the outside, primed next week.  Still trying to figure out the best type of paint for this engine.
Suggestions?

dieselgman

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Re: Basic questions from a proud new owner?
« Reply #23 on: April 02, 2015, 12:49:12 AM »
A good epoxy enamel, typically the type used for insulating electrical windings is great for sealing your crankcase internals. Glyptol is one brand name, but there are many different ones that work the same.

dieselgman
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TxBlacksmith

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Re: Basic questions from a proud new owner?
« Reply #24 on: April 02, 2015, 01:48:23 AM »
Interesting, I thought I read somewhere on here, that paint inside the crankcase was a no-no.
Makes sense to me the paint would be the better option. I have read so much on the net lately, I can remember where what was....

dieselgman

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Re: Basic questions from a proud new owner?
« Reply #25 on: April 02, 2015, 02:10:25 AM »
Many types of paint inside the engine could be a bad thing... However, epoxy hardens very well, adheres extremely well, and is completely non-reactive with oils and fuels. This is the exact correct product for properly sealing inside your crankcase. Among the benefits are easier and much more thorough crankcase cleanouts, better ability to inspect and recognize contamination problems as they develop, prevention of any oil seepage due to porous areas or casting flaws.

dieselgman
« Last Edit: April 02, 2015, 02:50:39 AM by dieselgman »
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BruceM

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Re: Basic questions from a proud new owner?
« Reply #26 on: April 02, 2015, 02:53:46 AM »
Glyptol is actually sold by other names as red electrical varnish, as I learned from 38ac's thread.  My propane project engine is done that way, with a spray on product.  Worked out very nicely. 


TxBlacksmith

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Re: Basic questions from a proud new owner?
« Reply #27 on: April 03, 2015, 02:03:55 AM »
I went to an old established auto specialty paint co. to see what they recommended.  They suggested the following,
http://www.por15.com/ENGINE-ENAMEL_p_47.html
 I was thinking of this for inside and out perhaps?
What do you think of the  Austin Healy Green?

Down the street, the Sutherland's carries this:
http://www.majicpaints.com/wp-content/uploads/2014/08/Majic-TTI-Color-Card-2014.pdf
While not suitable for inside, does the Oliver Green look close to the original? Perhaps too dark?

mike90045

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Re: Basic questions from a proud new owner?
« Reply #28 on: April 03, 2015, 02:47:25 PM »
I'd found some med dark green BBQ rated paint at ACE hardware, that was a very close match to the India OEM green, and painted the head and sections of the exhaust pipe.  it's held up well, doesn't get tacky when the engine is hot.

dieselgman

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Re: Basic questions from a proud new owner?
« Reply #29 on: April 03, 2015, 03:23:21 PM »
Epoxy on the internals, enamels - preferably cross-linked on the externals. Cross-linked means that it has a catalyst hardener added that is common in aircraft and some automotive paints. Urethanes are included in this type of enamels. This will get you the most resilient and long-lived results.

Oliver green is pretty close to original (can be lightened slightly), also Fruehauf green is a close match. I have not found a 100% color match in any standard color off the shelf here. You can still get it in England I believe.

dieselgman
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