 Wiseco 904 vs BCS 904 kits
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Joined: Jul 2005
Posts: 51
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OP
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Joined: Jul 2005
Posts: 51 |
WHat are the advantages/disavd of these two options?
The BCS version seems better, although pricier, and includes the stonger studs.
has anyone dyno'd this upgrade?
cheers!
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Don
04 BA,TBike pipes,AI,FREAK-150 mains,TBS,42 pilot, 3 turns,\progressive fr and rr shocks, 18T,and lotsa chrome
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Jan 2005
Posts: 3,753
Loquacious
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Loquacious
Joined: Jan 2005
Posts: 3,753 |
weisco is forged and more people run it. it has proved to be pretty potent and very reliable and it is a piston designed for an air cooled motorcycle while form what i understand bcs is a car piston that is cast.
Frank
(Former)05 BA tbike pipes, ai removed, Freak, mikuni hsr 42's, 904, ported/polished head, 1mm oversized valves
NOW-2010 silver and black tbird
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
I have posted several dynos of my Wiseco bike. I have done five of them so far and they are the way to go.
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Aug 2006
Posts: 321
Adjunct
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Adjunct
Joined: Aug 2006
Posts: 321 |
the BC does not include the studs, although they say it does. call 'em and find out for yourself.
WISECO, say it, WISECO!
There is no greater thrill than being shot at with no consequence. -Churchill
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Jul 2005
Posts: 51
Member
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OP
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Joined: Jul 2005
Posts: 51 |
Wiseco it is then. I have the 790 cc, is it a good idea to get the stronger studs? Do they require retapping of case holes?
thx
Don
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Don
04 BA,TBike pipes,AI,FREAK-150 mains,TBS,42 pilot, 3 turns,\progressive fr and rr shocks, 18T,and lotsa chrome
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Aug 2006
Posts: 321
Adjunct
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Adjunct
Joined: Aug 2006
Posts: 321 |
don't worry about the studs.
There is no greater thrill than being shot at with no consequence. -Churchill
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Jul 2005
Posts: 51
Member
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OP
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Joined: Jul 2005
Posts: 51 |
Where are those posts? I must be blind....
cheers
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Don
04 BA,TBike pipes,AI,FREAK-150 mains,TBS,42 pilot, 3 turns,\progressive fr and rr shocks, 18T,and lotsa chrome
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Aug 2006
Posts: 153
Adjunct
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Adjunct
Joined: Aug 2006
Posts: 153 |
The BC kit get's my vote due to the nicasil coated liners. Pricey...you bet, but to me it's worth it. You'll get less wear compared to iron liners. ...beside's, I have one...what else am I going to say 
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Jul 2005
Posts: 51
Member
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OP
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Joined: Jul 2005
Posts: 51 |
Did you notice much increase in vibration at upper rpms after conversion? The lighter pistons of the BC kit means less mass moving up and down, I would think.
I LOVE the way mine (790cc) purrs right now at highway speeds (60-70mph), so not too interested in losing that.
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Don
04 BA,TBike pipes,AI,FREAK-150 mains,TBS,42 pilot, 3 turns,\progressive fr and rr shocks, 18T,and lotsa chrome
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
Quote:
Where are those posts? I must be blind....
cheers
Here's some I found using the search function:
Dyno post
Another dyno thread
elgato's dyno thread
Roundslide's dyno thread
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: Wiseco 904 vs BCS 904 kits
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Joined: Aug 2006
Posts: 153
Adjunct
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Adjunct
Joined: Aug 2006
Posts: 153 |
I didnt notice any increase in vibration from the motor....just more torque and hp 
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