clubsport - rear wheel HP realsitic ??

[gixermark]

Hi Guys,

all the powertec figures are at eth crank - and there doesn't appear to be anything on their site for the old clubsports (1100) anymore

anyone know realitic rear wheel figures for them ?? idelaly compared to a busa (std) ?

i imagine the std club shoudl be maybe 140-150 at teh wheels and the busa 150-160 ?

[NASA racer]

I never dynoed my 1100 but a really well tuned stock Hayabusa is about 165 RWHP. A Powertec one should be oh...about the same or less. I once had a Powertec 1300 that came with a dyno sheet (engine dyno) which showed 180hp. That would be about right (stock HP). From the performance of the car, I'd say the Kawasaki maybe made 130-140 CRANK horsepower (that was with the Keihins and Dyna ignition).

My built 1400 Hayabusa with injection and tuning etc is about 190RWHP. Now the dyno and conditions under which the thing is dynoed makes a huge difference but the "190 or 205" they claimed for the Kawi or 1300 Busa is wildly exagerrated.

I have dyno sheets for my current motor:

Stock but tuned 1300 (factory injection, factory ignition, PowerCommander tuning, custom exhaust. The red line was bone-stock pre-tuning, blue was post tuning:


Here's the built 1400, same type of dyno, same operator but different location and conditions:

Edited by NASA racer on Wednesday 1st October 15:41

[gixermark]

thanks...

I am trying to figure out if the clubsport ever came with flat slides as std - i thought they all did, but after some research have found powertec did a 1100 with 160hp, and the 1100 flat slides at 185

i realise the figures are a bit OTT but one of the clubsports i am looking at does not have flat slides - so need to find out if latter ones did as std...

Mark.

[ScottHughes]

I think the later ones did have flat slides as standard

I have an 1100 engine with a big bore JE piston kit which makes it 1100cc rather than 1050cc, plus gas flowed head etc etc. With the flat sides on the powertec dyno it made 160HP which I think is at the crank as it was done on their engine dyno.. Although when I phoned them one of their younger guys tried to convince me that the sheet was probably at the rear wheels but I very much doubt it.. as an engine dyno I assume has no wheels..

Im just guessing here but I note that powertec state all their engine power figures with RAM air effect so that may account for the change from the early 160HP figure to the later 185BHP figure..?

[SportsLibre]

both pre and post flatslide figures from radical are wildly exaggerated, even for at the crank! never dynoed the zzr, but my current engine is 160 at the wheels which would equate to about the claimed 185, and it is signigantly more powerful and quicker that the old zzr!

[BertBert]

yes I thought the zzr from powertec was a claimed 160 bhp.
Bert

[SportsLibre]

ScottHughes said:

Im just guessing here but I note that powertec state all their engine power figures with RAM air effect so that may account for the change from the early 160HP figure to the later 185BHP figure..?

There is no ram air effect in a clubsport. The theory is dubious anyway, but would only have a serious difference at speeds approaching 200mph!

[RobC]

Power at the wheels is sooooo easy to fudge. Only advice I can give is don't get caught up in pub figures. For example my 190bhp @ the crank busa would have no problem at all keeping up with a claimed 252bhp 1500 busa powered ProSports. Look for a car that is producing the lap times, thats the car to go for imho