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wot is the best gearing for brands hatch indy?

14/45 would be a good place to start.

I agree with GQ.

Depends a bit on BHP, I would also take 14/46 with me, (unless you have an SP gearbox and / or over 75 bhp.)

14/47 unless you are sub 55 seconds a lap

With 14/45 you will not get to use 6th - Not a big problem.

14/48 on a tuned engine with 15.5k or 16k rev limit. 14/46 would be goodfor a standard rev limit.

Example:

Great video Greville, thanks. And well done with the results at the weekend. Looking forward to my first outing for the year there in April for the centenary event. See you there - I'll come and introduce myself (#9).

GQ

PS: Ratbag, I would listen to ballsout's advice on gearing; he knows more than most about 400's and racing.

Greville is that SP gearbox in vid

Not with a 14/48! it would only do 50 mph
by the way anyone looking for a sp box?

fatboy wrote:Greville is that SP gearbox in vid

As Jake says, no it's not. I've had other people ask that, I think it's because changing gear at such high revs makes the ratio's appear closer. Jake, did you remove a previous post or was I imagining it

GQ, yeah, see you there, and thanks. I was well chuffed with the results considering I hadn't even sat on a bike for over a year until a couple of weeks ago