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March 29th, 2015, 08:17 AM   #71
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Santa stopped by and dropped off new front brake caliper brackets.

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March 29th, 2015, 08:23 AM   #72
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Santa has some clever little Elves
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March 29th, 2015, 11:11 AM   #73
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Cylinder head water jacket

Well.. it may not get as many views as "Gangnam style", but there are some nerds out there, I'm sure!

https://www.youtube.com/watch?v=DrRxwPV4g
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April 2nd, 2015, 06:19 AM   #74
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And now the Easter Bunny:



Needs some grinding between the dish and the pockets. The dish has to be this large to lower the compression ratio down to reasonable 13,5:1. This set of pistons will make the squish appr. 1,0mm, which hopefully will prevent knocking.

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Last edited by Dr_C; April 2nd, 2015 at 06:40 AM.
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April 2nd, 2015, 07:25 AM   #75
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Originally Posted by Dr_C View Post
And now the Easter Bunny:

Needs some grinding between the dish and the pockets. The dish has to be this large to lower the compression ratio down to reasonable 13,5:1. This set of pistons will make the squish appr. 1,0mm, which hopefully will prevent knocking.
I haven't been following your work. Why is comp ratio 13.5:1? Different head set-up, taller piston, longer rod?

Thanks.
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April 2nd, 2015, 07:25 AM   #76
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Sweet piston, how many grms?

Thank you for the Video, very interesting to some of us
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April 2nd, 2015, 01:42 PM   #77
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Originally Posted by spanner View Post
Sweet piston, how many grms?

Thank you for the Video, very interesting to some of us
Specially made for you, Spanner!
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April 2nd, 2015, 01:53 PM   #78
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Originally Posted by jmscrttndn View Post
I haven't been following your work. Why is comp ratio 13.5:1? Different head set-up, taller piston, longer rod?

Thanks.
Because I wanted it to be 13:5. The short answer to the other questions is: Yes.

If you are interested, have a looksie at:

https://www.youtube.com/watch?v=wQoPtR7LPco

There a some more videos describing my projects in my channel, if you're interested!

Thanks!
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April 2nd, 2015, 05:17 PM   #79
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Specially made for you, Spanner!
Appreciated

That is an older head, I can see where the seat is so close to the
water.
I wounder if the larger valve heads 37mm vs 35mm would have
more material in those areas?

Cheers spanner
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April 2nd, 2015, 06:51 PM   #80
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Originally Posted by Dr_C View Post
If you are interested, have a looksie at:

https://www.youtube.com/watch?v=wQoPtR7LPco

There a some more videos describing my projects in my channel, if you're interested!
I wanted to thank you again for the videos! gold!! I thought I had seen them all but discovered a couple I had missed - very interesting (and thank you for your patience and answers to some questioms the other day related to EFI which are already in the earliest videos)

one question - as I understood it, the Cannondale engine lives or lived on as a 450 - which make? I couldn't quite make out or recognize it from the video (first or second video I think)
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