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> tunacan.net?, Engine Displacement Chart
VaccaRabite
post Dec 23 2014, 04:41 PM
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What happened to Tunacan.net?

Zach
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Mark Henry
post Dec 23 2014, 04:53 PM
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A quick google search found it, looks like Tuna changed the address, likely he forgot to renew the domain and it got scooped. Instead of paying the extortion to get it back he just registered a new name. That or he piggybacked it on the old ladies domain to save coin.

http://www.moonrosedesigns.com/tunacannet/t4/index.shtml
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rick 918-S
post Dec 23 2014, 05:04 PM
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Who is tuna? Is this Jakes old site?
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Mark Henry
post Dec 23 2014, 05:46 PM
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QUOTE(rick 918-S @ Dec 23 2014, 06:04 PM) *

Who is tuna? Is this Jakes old site?

(IMG:style_emoticons/default/rolleyes.gif) The world doesn't revolve around Jake...
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VaccaRabite
post Dec 23 2014, 06:33 PM
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Huh. Half his links look like they are down. He had a handy chart of crank size and piston diameter and what displacement they made. Anyone have a copy of it?

Zach
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r_towle
post Dec 23 2014, 07:06 PM
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Zach, search google, there are three or four places that tried to coy his site, only one of them works right...can't recall which one.

Might have been inside shop talk forums....
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Dave_Darling
post Dec 23 2014, 11:30 PM
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The Internet Wayback Machine has archived copies:

https://web.archive.org/web/*/http://tunacan.net/t4

The most recent one seems to be from April 2014.

--DD
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VaccaRabite
post Dec 25 2014, 08:47 PM
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Attached Image
For the next time I am looking for it.
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Jake Raby
post Dec 25 2014, 10:35 PM
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That one isn't MassIVe enough. Here's mine
Blue are stock displacements, orange are my favorite classic combos and bold red are my current displacements.

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r_towle
post Dec 26 2014, 09:53 AM
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Are there any cooling fins on the 112 mm cylinders?
Oh, please post a pic of those next to some stock stuff......it would be cool to see.
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rick 918-S
post Dec 26 2014, 10:27 AM
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Hey nice rack! -Celette
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QUOTE(Jake Raby @ Dec 25 2014, 10:35 PM) *

That one isn't MassIVe enough. Here's mine
Blue are stock displacements, orange are my favorite classic combos and bold red are my current displacements.

Attached Image


That's Cool! Thanks Jake! I agree with Rich. It would be interesting to see a side by side. (IMG:style_emoticons/default/yikes.gif) (IMG:style_emoticons/default/popcorn[1].gif)
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Woody
post Dec 27 2014, 01:41 PM
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QUOTE(Jake Raby @ Dec 25 2014, 10:35 PM) *

That one isn't MassIVe enough. Here's mine
Blue are stock displacements, orange are my favorite classic combos and bold red are my current displacements.

Attached Image

Holy crap! 112x80? What kind of dyno numbers are you seeing? Is this an engine that is supposed to last longer than 20,000 miles?
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saigon71
post Dec 28 2014, 07:46 AM
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Cool tables!

What is the largest crank that can be used that doesn't require additional work in the case for clearance? Is it anything over 71MM?

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Jake Raby
post Dec 28 2014, 11:47 AM
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QUOTE(Woody @ Dec 27 2014, 11:41 AM) *

QUOTE(Jake Raby @ Dec 25 2014, 10:35 PM) *

That one isn't MassIVe enough. Here's mine
Blue are stock displacements, orange are my favorite classic combos and bold red are my current displacements.

Attached Image

Holy crap! 112x80? What kind of dyno numbers are you seeing? Is this an engine that is supposed to last longer than 20,000 miles?


With the proper machining and practices bigger doesn't mean shorter life. To fit a bore larger than 107mm you must alter the bore centerlines of the case. This is not easy to do.

The 112mm cylinders are thicker than a 103mm and have the deepest cooling fins radially, with just as many fins per inch as any other LN cylinder.

Anything is possible, it just gets much, much harder to create an efficient engine when it gets bigger and bigger. The only way to feed an engine like this is with Porkies heads, some twisted wedge action and splayed valves.


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Woody
post Dec 29 2014, 07:25 AM
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QUOTE(Jake Raby @ Dec 28 2014, 11:47 AM) *

QUOTE(Woody @ Dec 27 2014, 11:41 AM) *

QUOTE(Jake Raby @ Dec 25 2014, 10:35 PM) *

That one isn't MassIVe enough. Here's mine
Blue are stock displacements, orange are my favorite classic combos and bold red are my current displacements.

Attached Image

Holy crap! 112x80? What kind of dyno numbers are you seeing? Is this an engine that is supposed to last longer than 20,000 miles?


With the proper machining and practices bigger doesn't mean shorter life. To fit a bore larger than 107mm you must alter the bore centerlines of the case. This is not easy to do.

The 112mm cylinders are thicker than a 103mm and have the deepest cooling fins radially, with just as many fins per inch as any other LN cylinder.

Anything is possible, it just gets much, much harder to create an efficient engine when it gets bigger and bigger. The only way to feed an engine like this is with Porkies heads, some twisted wedge action and splayed valves.



I was going to ask what the heads look like. Very cool.
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Slider
post Feb 23 2015, 12:41 AM
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QUOTE(Vacca Rabite @ Dec 23 2014, 03:41 PM) *

What happened to Tunacan.net?

Zach


Thats my Brothers site, hes in the middle of moving info around and getting updates rolled out.

Stay Tuned..
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