What to expect from the Dyno?

sdonnan09 · 11-12-2004, 2:46 AM

I have a 98rr with full erion exhaust, erion cams, Vance&Hines power comander, and ported head. Does anyone know what kind of numbers I could expect from a rear wheel dyno? I know every dyno is diferent, just looking for a ballpark figure. Thanks

Chindian · 11-12-2004, 3:57 AM

its a stab in the dark but probably 130-135 at the wheel.... if everything is setup right.

Max · 11-12-2004, 7:51 AM

Sometimes people put too much faith in the dyno, don't forget the dyno is only a tool. Most have an accuracy that can be off by as much as 10% not to mention that air temp and other conditions and make big differences. This last summer my forum had a rally in KC were we put 20 bikes on a dyno one behind the other. That is the only time a dyno comparison really means anything at all or if you put yours on the dyno, get a base line number and then put it right back on the same dyno with the same conditions. Other wise they are just numbers that can't be used to compare anything really.

Oh we found that on our v-rods that after people posting numbers as high as 120hp on dynos and as low and 90 that when we put 20 different bikes on the same dyno with the same operator that the high was 110hp and the low was 101hp and a bone stock one pulled 107 at the rear wheel telling us that many of the aftermarket changes actually hurt the HP numbers.

Chindian · 11-12-2004, 8:23 AM

Quote:

Originally Posted by Max

Sometimes people put too much faith in the dyno, don't forget the dyno is only a tool. Most have an accuracy that can be off by as much as 10% not to mention that air temp and other conditions and make big differences. This last summer my forum had a rally in KC were we put 20 bikes on a dyno one behind the other. That is the only time a dyno comparison really means anything at all or if you put yours on the dyno, get a base line number and then put it right back on the same dyno with the same conditions. Other wise they are just numbers that can't be used to compare anything really.

Oh we found that on our v-rods that after people posting numbers as high as 120hp on dynos and as low and 90 that when we put 20 different bikes on the same dyno with the same operator that the high was 110hp and the low was 101hp and a bone stock one pulled 107 at the rear wheel telling us that many of the aftermarket changes actually hurt the HP numbers.

you've got too many V-rods.. wanna send one my way?? i'll pimp it proud.

abtech · 11-12-2004, 11:15 AM

Quote:

Originally Posted by sdonnan09

I have a 98rr with full erion exhaust, erion cams, Vance&Hines power comander, and ported head. Does anyone know what kind of numbers I could expect from a rear wheel dyno? I know every dyno is diferent, just looking for a ballpark figure. Thanks

Isn't the 98RR carburated? How would a Power Commander work on carbs?

Smitty929RR · 11-12-2004, 11:26 AM

My buddy has a 97 with a slip-on and his pulled 107rwhp.

Yes, His does have a carb.

jluu6r · 11-12-2004, 1:15 PM

my buddies 98 900rr made 130 hp on one dyno and 115 hp on another dyno. his bike hade a full m4 exhaust system, and a stage 1 jet kit.

cbr99xx · 11-12-2004, 1:28 PM

Quote:

Originally Posted by abtech

Isn't the 98RR carburated? How would a Power Commander work on carbs?

I was just wondering the same thing!

I got 128hp out of my '95 with normal mods (pipe, jet kit, timing adv) the only thing extra was a little port & polish.

sdonnan09 · 11-13-2004, 7:12 PM

My power comander is a silver box that has "Powercamander, Vance&Hines, Programable ignition system" Written on the side of it. I realy don't know much about it. All I know is it is there. I would realy like to know how to program it. Does anyone have any Idea? I have a feeling that this module might be pretty out dated and it will be hard to find a shop to program it.

Chindian · 11-13-2004, 7:31 PM

Quote:

Originally Posted by sdonnan09

My power comander is a silver box that has "Powercamander, Vance&Hines, Programable ignition system" Written on the side of it. I realy don't know much about it. All I know is it is there. I would realy like to know how to program it. Does anyone have any Idea? I have a feeling that this module might be pretty out dated and it will be hard to find a shop to program it.

take it to a tuner and have him f with it on the dyno??

cbr99xx · 11-13-2004, 8:07 PM

Quote:

Originally Posted by sdonnan09

My power comander is a silver box that has "Powercamander, Vance&Hines, Programable ignition system" Written on the side of it. I realy don't know much about it. All I know is it is there. I would realy like to know how to program it. Does anyone have any Idea? I have a feeling that this module might be pretty out dated and it will be hard to find a shop to program it.

I'm not sure what this might be... but the 98RR had/has carburetors (unless someone did some hella mods).

"Fireblades" went to FI in '00.

cbr99xx · 11-13-2004, 8:29 PM

Quote:

Originally Posted by cbr99xx

I was just wondering the same thing!

I got 128hp out of my '95 with normal mods (pipe, jet kit, timing adv) the only thing extra was a little port & polish.

Ooops... That's what happens to your memory when you get older.

119 Hp is the truth.

(dug around and found the chart)

jzv8 · 11-14-2004, 9:05 AM

Quote:

Originally Posted by sdonnan09

My power comander is a silver box that has "Powercamander, Vance&Hines, Programable ignition system" Written on the side of it. I realy don't know much about it. All I know is it is there. I would realy like to know how to program it. Does anyone have any Idea? I have a feeling that this module might be pretty out dated and it will be hard to find a shop to program it.

If it is what i think, there are 4 screws on top, remove them and inside should be dip switches, combinations will raise your rev limiter at 500 rpm intervals and also change the slope of the advance curve.

sdonnan09 · 11-15-2004, 4:37 PM

Quote:

Originally Posted by jzv8

If it is what i think, there are 4 screws on top, remove them and inside should be dip switches, combinations will raise your rev limiter at 500 rpm intervals and also change the slope of the advance curve.

I pulled the top off and there are 4 tiny little switches in one corner. On the back side of the front cover there are setting instructions. Thanks Jzv8, for the info. I don't think I would have figured that out on my own!