bundy
Novice Class
Posts: 39
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posted January 20, 2008 07:36 AM
14 18 or 14 50 Piston Kit?
I am new to the forum and want to know which kit is the best for street & track?
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bundy
  
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davisag
Expert Class
Posts: 103
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posted January 20, 2008 10:10 AM
hi
well i have built mine with just 13.5-1 pistonns std bore flowed head and carpenter cams , and close to 210 hp on a stingy dyno
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jarhead
Expert Class
Posts: 418
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posted January 20, 2008 11:39 AM
I would do some checking around, I would be hesitant to go too big, wall thckness between cylinders could become an issue. That would then cause the bike to run hot.
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Cajunboyz
Zone Head
Posts: 702
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posted January 20, 2008 11:59 AM
 Edited By: Cajunboyz on 20 Jan 2008 12:04
quote:
hi
well i have built mine with just 13.5-1 pistonns std bore flowed head and carpenter cams , and close to 210 hp on a stingy dyno
davisag ; Was that on pump fuel?
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"Cajun Boyz with Bad Ass Toys"
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bundy
Novice Class
Posts: 39
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posted January 20, 2008 12:44 PM
1418 or145piston kit
so 3mm would be to big for street
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bundy
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serius blk
Zone Head
Posts: 543
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posted January 20, 2008 12:49 PM
that 210 wouldnt be bad for pump gas.
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bundy
Novice Class
Posts: 39
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posted January 20, 2008 12:56 PM
what about 220 on pump gas.
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bundy
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BlackMagic14
Needs a job
Posts: 2058
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posted January 20, 2008 01:12 PM
1417 with a second fan is not bad I wouldnt go 3 mil for sure though
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bundy
Novice Class
Posts: 39
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posted January 20, 2008 01:17 PM
will do second fan ,but go 2mil
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bundy
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davisag
Expert Class
Posts: 103
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posted January 20, 2008 01:50 PM
hi
yes that was on pump fuel , intend to try it in a couple of months again with some high octane, and better pressure figures
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serius blk
Zone Head
Posts: 543
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posted January 20, 2008 04:22 PM
220 would be good for sure. Im sure that would be with some large cams. And in that case would it be very streetable. I would still want some reliablity. I dont think you would see much of a difference in hp with a 2 or 3mill. Most of the piston kits including the stock bore are 13.5. I would think there would be a difference in tq. Im still waiting to see who makes good power on pump and race gas. Seems to me everyone is making the same hp. No one has yet to stand out. It would be cheaper to go with the stock cams if there were only a few hp difference between them and the mod cams.
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bundy
Novice Class
Posts: 39
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posted January 20, 2008 06:17 PM
thanks serius ,heads and cams is that the way 2 go.
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bundy
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