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Back working at the Cat 12 #6M17.

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8 years 8 months ago #128007 by mrsmackpaul
Top job Dave you should be proud as punch with what you have achieved as Old Magnet says sounds great looks as neat as a pin as well

Paul

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8 years 8 months ago #128008 by Sasquatch
Congratulations Dave, and thanks for the video. Your G-4600 engine is the only one that my ears have ever heard run, and good job on fixing up that manifold. The exhaust looks good though, still original?

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8 years 8 months ago #128014 by Bruce P
Spectacular Dave, you should be very proud! If I could figure out how I would make that start up my ring tone. Well done.

Bruce P

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8 years 8 months ago #128018 by Old Magnet

A little info for those of you that have never seen this.


Here's the other side of the R6 spec sheet....

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8 years 8 months ago #128034 by Dandy Dave
Yes. Both exhaust manifolds are original and the center box as well. I had to do a little welding on the center box as it had a piece cracked out of one side around where the heat director turns. Contemplated making a new center box at first, but decided to just repair it as best I could and use it. It looks like the heat riser use to get water in it when it rained and that lead to freezing in the winter and rotting all year. Basically I cut all the rotten stuff out of the center and replaced it with 1 and 1/4th inch heavy walled pipe on the inside. It fit perfect. The outer heat riser part was the same size as 3 and 1/2 inch pipe. Used some flat plate to cover the open ends. Had to use Cast Iron welding rod on the original part of the intake. I made up a Stainless Steel plate and placed it between the heat box and lower heat riser to keep direct exhaust heat off of it. To say the least. This machine has had enough challenges to conquer. At least the hardest parts of its resurrection are behind it now. Dandy Dave!

Congratulations Dave, and thanks for the video. Your G-4600 engine is the only one that my ears have ever heard run, and good job on fixing up that manifold. The exhaust looks good though, still original?


1940 Cat 12 Grader 6M17
1956 Cat D2-5U
1956 Cat D6- 9U 23721
Copake, NY.

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8 years 8 months ago #128038 by JoeG
Looking good Dave, Lots of sweat in that but the accomplishment is hard to beat, and a rare old girl too. Be proud.

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8 years 8 months ago #128039 by mog5858
keep up the good work you will be ready to plow snow before you know it.

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8 years 8 months ago #128073 by Garlic Pete
Replied by Garlic Pete on topic Really great!
That just sounds and looks too neat!

You've done a lot of work, but it is worth it, even from this side of the screen. I noticed the intake manifold in the video, then proceeded to read your discussion and look at your pictures of what you started with. That is a nice job of fabricating and the result looks and works great.

I look forward to seeing this gem in person some day at some show.

Keep up the good work!

Pete.

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8 years 8 months ago #128094 by mrsmackpaul
Gudday Dave is there a thread were all this started as the grader is all in bits on page one just wondering what it all started out like ???


Paul

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8 years 8 months ago #128197 by Dandy Dave
Yeah. There is actually, I'll have to do some Digging. Although in my be long gone as it seems nothing is forever in the cyber world. Dandy Dave.

Gudday Dave is there a thread were all this started as the grader is all in bits on page one just wondering what it all started out like ???

Paul


1940 Cat 12 Grader 6M17
1956 Cat D2-5U
1956 Cat D6- 9U 23721
Copake, NY.

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