bossman12r
Zone Head
Posts: 513
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posted February 21, 2004 05:05 PM
Thottal bodies?
When you get your thottal bodies bored out to 48mm will the Bear or Muzzy NOS stacks still fit?
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gen 4 zx10 is fast
  
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oldkawboy
Needs a job
Posts: 2125
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posted February 21, 2004 05:45 PM
Bear sells the 48mm stacks for bored throttle bodies.
Dan
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bossman12r
Zone Head
Posts: 513
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posted February 21, 2004 05:46 PM
I have the 46 NOS bear stack right now tho 
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gen 4 zx10 is fast
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entropy
Moderator
Posts: 8671
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posted February 21, 2004 06:35 PM
anyone have some experience with the bigger TB's, say on a worked motor?
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bossman12r
Zone Head
Posts: 513
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posted February 21, 2004 07:58 PM
TheJackShow on labaus has them on his 1427 motored 12. He is spraying it and runs some 8.30's at 68"
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gen 4 zx10 is fast
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oldkawboy
Needs a job
Posts: 2125
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posted February 22, 2004 12:49 PM
entropy,
The 1361 that my sons ran 208+ at Maxton has 48mm TB's, the bike "carburetes" great on the street. Only thing is that several things were done at the same time so it's hard to tell how much they helped by themselves.
If I had a big engine, I'd run them.
Dan
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entropy
Moderator
Posts: 8671
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posted February 22, 2004 03:30 PM
thx Dan,
where did you gettum done? did you get the 48mm stacks from Bear?
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oldkawboy
Needs a job
Posts: 2125
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posted February 22, 2004 04:55 PM
entropy,
It's a friends 12......but I wish it was mine!
A local guy here in TN did the work and he bought the stacks from Bear. Bear also does the bore jobs.
Dan
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VincentHill
Needs a life
Posts: 6520
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posted February 22, 2004 05:12 PM
Remember, there are 2 ways to bore the throttle Bodies. Most here bore the center to 48 MM which has no effect on the opening and the standard Bear or Muzzy stacks fit. If you Bore them the way Bear does, he takes 1 mm all the way around stating at the entry and follows the profile. Then you need the larger Stacks!
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Made History @ Daytona and still one fast old man!!
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bossman12r
Zone Head
Posts: 513
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posted February 22, 2004 05:14 PM
I wounder are the results of the 2 ways close to the same in HP?
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gen 4 zx10 is fast
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oldkawboy
Needs a job
Posts: 2125
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posted February 22, 2004 06:42 PM
Hey Vincent,
Speaking of stacks.......Hope you don't think I've forgot about borrowing those two from you!
Things have been so busy and crazy around here with work and all I haven't got any time on the dyno but I'm planning on it, promise!
Just let me know if you need them back and I'll mail them right away. I've got to adjust my valves, thinking about installing a manual cam chain tensioner too. If you don't need them back right now, I'll get to my valves and schedule some dyno time. Chad's first race is in G'ville in two weeks then hopefully I'll get some free time after that. Let me know.
Thanks again,
Dan
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entropy
Moderator
Posts: 8671
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posted February 22, 2004 07:12 PM
vincent,
do you know Bear's contact info. I can't find a website for him.
thanks
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osti33
Needs a job
Posts: 2973
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posted February 23, 2004 05:58 AM
 Edited By: osti33 on 23 Feb 2004 06:02
Entropy,
Here is his website.
http://www.bearracing.com/
Osti
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VincentHill
Needs a life
Posts: 6520
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posted February 23, 2004 08:40 AM
Dan, I did not expect to hear from you until September or October! Anything sooner would push testing which turns fun into work! I will not be needing them this year, now does that take care of it!!
I would think following the exact profile of the original with the Venturi effect would be better than a straight Hole!
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Made History @ Daytona and still one fast old man!!
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oldkawboy
Needs a job
Posts: 2125
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posted February 23, 2004 02:04 PM
Thanks again Vincent!
dan
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entropy
Moderator
Posts: 8671
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posted February 23, 2004 05:45 PM
quote:
Entropy,
Here is his website.
http://www.bearracing.com/
Osti
thanks osti!
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osti33
Needs a job
Posts: 2973
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posted February 23, 2004 06:32 PM
No prob.
Ryan
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