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shift light
andyfiggy2002 - 12/8/05 at 11:51 AM

can anyone tell me where I can buy a shift light that actually works on 93 fireblade BEC, tried datatool revlight, useless

rick q - 12/8/05 at 12:32 PM

you might have a look here... www.ecliptech.com.au

A few of the Australian Clubbies have installed them apparently with some success, though they were priginally built for bikes. See also http://www.ozclubbies.com/phpBB2/viewtopic.php?t=2501&start=0

No connection at all .... it just seems to be what you're after

Chris_R - 12/8/05 at 03:22 PM

How do you find the best point in the range to shift?

Jon Ison - 12/8/05 at 03:35 PM

Find out when your engine makes its peak power, if its 10500rpm thats when you change up, little point in taking it beyond

Chris_R - 12/8/05 at 03:44 PM

rolling road then.

Jon Ison - 12/8/05 at 04:34 PM

just look up the spec for your engine that will be close enough, anytime on the limiter is time lost.

Chris_R - 12/8/05 at 04:35 PM

...or carfolio

http://www.carfolio.com/specifications/

<EDIT>Cheers Jon, you beat me too it</EDIT>

[Edited on 12/8/05 by Chris_R]

ChrisGamlin - 12/8/05 at 05:41 PM

quote:
Originally posted by Jon Ison
Find out when your engine makes its peak power, if its 10500rpm thats when you change up, little point in taking it beyond


If I can be slightly perdantic Jon, it is better to slightly rev over peak power .

If you think of the engine's power curve, say you have an engine with the following output:

9,500rpm - 140bhp
10,000rpm - 145bhp
10,500rpm - 150bhp (peak power)
11,000rpm - 145bhp
11,500rpm - 140bhp

If you change at peak power and you drop 1,000rpm when selecting the higher gear, you now have 140bhp at 9,500rpm, so accelerating from 9,500rpm to 10,500rpm you're using an average of 145bhp with a low of 140bhp.
However, if you rev to 11,000rpm, when you change gear you drop to 10k therefore you never use less than 145bhp and your average is something like 147.5bhp hence theoretically quicker.
Having said that, it probably wouldnt be noticable to most of us and if you're not competing its probably kinder to your engine to keep the peak revs as low as you can

Chris

Jon Ison - 12/8/05 at 08:37 PM

that's a very fair point, what i was trying too do was say stay away from the rev limiter, hit that when your accelerating hard and its like hitting a brick wall, looking at "telemetry" from Cadwell I never went below 10000rpm for 6 minutes, strong little buggers these bike engines......

ChrisGamlin - 12/8/05 at 08:51 PM

Yep totally agree, you lose far more time / speed by hitting the limiter than by shifting a couple of hundred rpm early

andyfiggy2002 - 15/8/05 at 11:49 AM

thanks guys, its just when your hillclimbing on a narrow track you dare'nt take your eyes off the road