Wheelie
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Old Man
Posts: 6902
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posted June 09, 2010 03:24 AM
BMW over 20 hp difference
why are the dyno numbers on the BMW over 20 horsepower difference? from 170's-190's,
wee
  
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1badzx12r
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posted June 09, 2010 03:30 AM
same as zx14's 150's to 180's OPPS THATS 30
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Bently
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2012 14r In Blue and no Mods!
Posts: 5428
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posted June 09, 2010 04:33 AM
Ya any bike I have I can dyno 4 miles from my house then drive 49 miles to another dyno and it will read 186 on one dyno and 202 on the other one same day just an 1hr apart. I've actually done it.
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SteddyTeddy
Pro
Posts: 1664
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posted June 09, 2010 05:08 AM
 Edited By: SteddyTeddy on 9 Jun 2010 14:42
It's all about the air conditions at each dyno. Propper air flow can change your dyno #'s drasticly. The dyno we own read 10hp higher at the shop we bought it from. There it was set in a spot that it had a constant natural breeze blowing on the front of it which took all exhaust gases out and away.
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gilberjj
Needs a job
Friend of Fast
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posted June 09, 2010 06:24 AM
My bike has had readings that differed 20 hp from one another.
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Flame On
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Fuel Air & Spark
Posts: 17104
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posted June 09, 2010 11:47 AM
Some dyno's are set on happy mode to make custmers feel good.
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77 RD 400
80 GS1000 GT
06 ZX14
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Wheelie
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Old Man
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posted June 09, 2010 11:48 AM
well its a "35" hp difference in dynos,
wee
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Shane661
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posted June 09, 2010 11:50 AM
I don't know, Wee. A local dyno showed 170 SAE for the BMW, bone stock. About 5-8 more hp than the other's.
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gilberjj
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Friend of Fast
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posted June 09, 2010 11:54 AM
There is always going to be a variance from motor to motor as well. Sticks has a happy motor and has always dynoed about 5 more hp then me. You could say that was due to different exhausts or whatever, but he also dynoed 5 more hp then zx14ofdoom who had the exhaust same mods. I've heard zx14 motors can very 5 hp or more from various tuners.
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Wheelie
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Old Man
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posted June 09, 2010 11:59 AM
I can see a few hp apart, but 35?
wee
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Shane661
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posted June 09, 2010 12:00 PM
quote:
I can see a few hp apart, but 35?
wee
Where did you see 35?
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Wheelie
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Old Man
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posted June 09, 2010 12:47 PM
Brocks made 207, you saw 170, that's 37, wow it keeps going up lol
wee
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1badzx12r
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posted June 09, 2010 02:09 PM
quote:
Brocks made 207, you saw 170, that's 37, wow it keeps going up lol
wee
amazing... its just like gasoline ..sooner or later tho that pump jack hits a down stroke
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Shane661
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posted June 09, 2010 02:32 PM
quote:
Brocks made 207, you saw 170, that's 37, wow it keeps going up lol
wee
Well, in all fairness, the 170 was stock. Maybe a pipe and good gas are worth 37 hp on the BMW.
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INTIMIDA2OR
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RED rider!
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posted June 09, 2010 02:42 PM
Happy dynos 
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'06 Passion Red ZX-14
*Lee*
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Wheelie
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Old Man
Posts: 6902
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posted June 09, 2010 02:52 PM
quote:
quote:
Brocks made 207, you saw 170, that's 37, wow it keeps going up lol
wee
Well, in all fairness, the 170 was stock. Maybe a pipe and good gas are worth 37 hp on the BMW.
I want that pipe and that fuel!
wee
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Ricksgsxr
Zone Head
Posts: 511
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posted June 09, 2010 03:08 PM
While I do not go the track , seemed my 1000 (1070) always ran faster when racing the same person while making lower numbers at the same dyno
I was a dyno junkie, change oil types do a dyno run, some whiz bang chain lube do dyno run, change chains -do a dyno run, change spark plugs -do a dyno run and repeat
167-183, 183 being in cool, dry air but consistently between 167-178 always ran strongest on teh lowest number-two different shops used.
The dyno runs were spaced a week or two apart in similar conditions
Which for Florida this means usually about 3 months of .... man this is a fricking paradise , I love Florida, get to ride while others are digging out of snow
.......than comes May onwords to what is it now, fricking hot and humid why in fuck did I ever move here? than these little skeeters, snakes and alligators and big fucking spiders and the traffic oh i'm getting off track a bit
Rick
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1badzx12r
Needs a life
Posts: 8321
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posted June 09, 2010 04:33 PM
quote:
quote:
quote:
Brocks made 207, you saw 170, that's 37, wow it keeps going up lol
wee
Well, in all fairness, the 170 was stock. Maybe a pipe and good gas are worth 37 hp on the BMW.
I want that pipe and that fuel!
wee
injector cleaner ?????
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