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kawdoug
 Post subject: Engine rebuild.
PostPosted: Wed Feb 13, 2013 5:42 pm 

Joined: Fri Jul 15, 2011 6:39 pm
Posts: 124
Location: Pittsburgh,Pa
Ganna get the holes bored. Ive hear rumors years ago that the center cyliner heats up more so than the ends and expands a little more than the ends. Is it true and if so wouldnt ya wanna get the hole bored with just a lil more clearance than the ends when fitting the pistons. Does anyone do this? Or was it justa rumor. Had a freind that locked up the center back in 1982. Also where can ya get the best price on a wiseco piston kit?

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Ja-Moo
 Post subject: Re: Engine rebuild.
PostPosted: Wed Feb 13, 2013 5:56 pm 
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Joined: Tue Jun 07, 2011 6:37 am
Posts: 10460
Location: Rio Rancho, New Mexico
Wive's tale. And the Wossners are a better piston...... :thumbup:

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Walms
 Post subject: Re: Engine rebuild.
PostPosted: Wed Feb 13, 2013 8:07 pm 
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Joined: Wed Jun 08, 2011 10:04 pm
Posts: 2223
Location: Just north of Toronto, Ontario
My center cylinder appears to run cooler on my triple.

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husson73
 Post subject: Re: Engine rebuild.
PostPosted: Thu Feb 14, 2013 4:04 am 
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Joined: Thu Jun 09, 2011 3:06 am
Posts: 4364
Location: PARIS FRANCE
an other urban legend :lol: :lol: :lol:
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BarryB
 Post subject: Re: Engine rebuild.
PostPosted: Thu Feb 14, 2013 9:21 am 
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Joined: Wed Jun 08, 2011 10:23 pm
Posts: 3851
Location: Colorado Springs, CO. USA
We should post that on Snoopes.

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Walms
 Post subject: Re: Engine rebuild.
PostPosted: Thu Feb 14, 2013 9:24 am 
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Joined: Wed Jun 08, 2011 10:04 pm
Posts: 2223
Location: Just north of Toronto, Ontario
husson73 wrote:
an other urban legend :lol: :lol: :lol:


Is this in reference to my post?

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Zambia
 Post subject: Re: Engine rebuild.
PostPosted: Thu Feb 14, 2013 10:38 am 
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Joined: Wed Jun 08, 2011 10:08 pm
Posts: 1901
Location: Campbellville Ontario
Walms wrote:
husson73 wrote:
an other urban legend :lol: :lol: :lol:


Is this in reference to my post?


I assume the urban legend is "the center cylinder seizing" due to excess heat. It does seem odd that the center cylinder could be cooler given the fact that there is far less area exposed to the air. Is it possible the outer jugs are "drawing" the heat away? Does heat "flow" in metal? I know you know this kinda stuff Walms.
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ThreePipesSmokin
 Post subject: Re: Engine rebuild.
PostPosted: Thu Feb 14, 2013 1:10 pm 
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Joined: Wed Jun 08, 2011 10:28 pm
Posts: 1574
Location: Tampa Bay Florida
The center cyl will not overheat if you keep the front fender on! :shock: Yes, Tony told me that, it's an air scoop. Most people who melt the center cyl did so by extended running with no front fender! :banghead

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Walms
 Post subject: Re: Engine rebuild.
PostPosted: Thu Feb 14, 2013 2:00 pm 
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Joined: Wed Jun 08, 2011 10:04 pm
Posts: 2223
Location: Just north of Toronto, Ontario
This reminds me... LC wanted me to run that test, taking off the front fender and seeing if there is a significant difference.
I'm using a temperature sensor under the spark plug btw...

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rotortech
 Post subject: Re: Engine rebuild.
PostPosted: Thu Feb 14, 2013 2:08 pm 
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Joined: Sat Jun 11, 2011 7:41 pm
Posts: 677
Location: Indianapolis, In
Walms wrote:
This reminds me... LC wanted me to run that test, taking off the front fender and seeing if there is a significant difference.
I'm using a temperature sensor under the spark plug btw...


Please do the test. I think it is important to find out. I run the fender myself but never actually thought about the cooling air on the center cylinder.

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