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Author Topic: 660 2 piece head  (Read 2919 times)

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660 2 piece head
« on: May 31, 2015, 08:02:26 pm »
Been playing while I was home alone today. Still need to get the spark plug hole in it.
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Re: 660 2 piece head
« Reply #1 on: May 31, 2015, 08:11:22 pm »
Looks good. What's your plans? Gas or alky?
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Re: 660 2 piece head
« Reply #2 on: May 31, 2015, 09:00:40 pm »
Gas for this one. I've got a good start on a 181/281 that will be play only. I have 3 head blanks to practice on. 
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Re: 660 2 piece head
« Reply #3 on: November 07, 2016, 07:06:28 pm »
How will you bolt down the head,I've experimented with different ideas,I prefer to use long grade 8 studs and a copper gasket,no failures or leakage so far. I first tried .012" gasket thickness but they would leak slightly,I went to .020" thick copper which I annealed first and these seal perfect.
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Re: 660 2 piece head
« Reply #4 on: November 08, 2016, 04:36:23 am »
I used M5 all thread and nylon lock nuts.
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Re: 660 2 piece head
« Reply #5 on: November 08, 2016, 02:46:15 pm »
Looking good!! An 066 is next on my list to build.
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Re: 660 2 piece head
« Reply #6 on: November 08, 2016, 02:55:27 pm »
Husky got put ahead of this one. It's in the same spot it was when I started this thread 1.5 years ago
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Re: 660 2 piece head
« Reply #7 on: November 14, 2016, 03:25:28 pm »
Looks good!
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Re: 660 2 piece head
« Reply #8 on: November 23, 2016, 11:06:11 pm »
How is that goin? It looks hot,any problems yet,or how high is the output?
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Re: 660 2 piece head
« Reply #9 on: November 24, 2016, 08:58:47 pm »
Still on the shelf. I might get back to it this winter. Have to finish the saws now. Sold all the running 365/2165. Have one of each left to put together and one will get a 65cc with a head if it works out.
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