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Print Page oldski-doosleds' Vintage Ski-Doo Message Board
    oldski-doosleds Message Board => One-Lunger Help Desk (Only) => Message started by: GaWajn on October 16, 2017, 02:33:06 AM
	

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Title: 340 build ...
Post by: GaWajn on October 16, 2017, 02:33:06 AM

Ata swap meet yesterday ... I purchased a 340 top end. I have sort of a plan to build a 340 single. This thread is started so that I can get help/info/suggestions on how to best approach the project. I would like to replicate a 1969 320 SS engine which I think was the first 340.

First things first:

Identification of the parts.

Head ...



From what I have seen in earlier posts about these heads ... I am assuming that this head is from a 1970 340. Do you guys agree?


[url=https://flic.kr/p/YtFkPf]


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Title: Re:340 build ...
Post by: GaWajn on October 16, 2017, 02:42:20 AM

The cylinder ...

[url=https://flic.kr/p/Yx9ud6]

I have not measured the cylinder as of yet. The cylinder wall seems to have to scoring ... just a little surface rust. I am hopeful that a honing is all it needs ...


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Title: Re:340 build ...
Post by: GaWajn on October 16, 2017, 02:44:22 AM

The piston ...

[url=https://flic.kr/p/ZvxiwU]

It might not be totally clear in the photos ... but the piston has a normal lower ring and an L ring for the top one.

I will be measuring the piston for wear and suitability to be reused ...


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Title: Re:340 build ...
Post by: Bones on October 18, 2017, 12:25:31 PM

GaWajn. I am going to retract a comment I made in our e-mail. I said |I thought I was seeing a Olympic piston, nope that ain`t right. You doo have a 69/70 - 340 TnT piston there.
Bones



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