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General => Shows, events, track days, motorsport => Topic started by: Toby on 12 March 2012, 13:28

Title: 1/4 mile!
Post by: Toby on 12 March 2012, 13:28

if found some Avon ZZ-R track day tyres  255/40/17's  for a spare set of alloy's iv got but i have 2 245/40/17's to go on the rar ( same alloy's)

would this matter? also would having them tyres get me any better times than using 18" road tyre's?

thank's

Title: Re: 1/4 mile!
Post by: Diamond Hell on 12 March 2012, 15:25

Sticky tyres will certainly help you get away faster.

Different size tyres won't matter as you're 2WD.  On a 1/4 mile as long as the non-driven wheels have sound tyres on them they're just following the rest of your car around.  Should be fine with the sticky boots on the front.

Title: Re: 1/4 mile!
Post by: Toby on 12 March 2012, 15:31

cool, hopefully ill win them on ebay... 4 day's left  :laugh:

Title: Re: 1/4 mile!
Post by: Diamond Hell on 12 March 2012, 17:57

You'd be better off finding some part-worn slicks and there's some stuff you can apply that freshens them up. Can't remember the name of it right now.

Title: Re: 1/4 mile!
Post by: Toby on 12 March 2012, 19:37

These are new

Title: Re: 1/4 mile!
Post by: Diamond Hell on 12 March 2012, 19:52

Part-worn slicks will almost definitely be a LOT cheaper!

Title: Re: 1/4 mile!
Post by: Toby on 12 March 2012, 20:09

http://www.ebay.co.uk/itm/190650635323?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

thats them.

Title: Re: 1/4 mile!
Post by: westallc on 13 March 2012, 14:07

they not to wide ?? i run 225/445 17 and have dropped down to 215/45/17

Title: Re: 1/4 mile!
Post by: major lucky on 14 March 2012, 21:15

although they are circuit slicks, same problem as the R888's you cannot get enough heat into them, even with a long ass burnout, the profile of the tyre is not gonna help you either, what you want is a fat tyre thats gonna crinkle when you let the pressure down,  have you fitted some over size brakes or can you go to a smaller wheel,

Title: Re: 1/4 mile!
Post by: Toby on 14 March 2012, 21:43

Iv got 312mm so 17" will go over.

I think ill wait untill the right size turn up, on the 22nd ill be rolling on 18"

Title: Re: 1/4 mile!
Post by: danny_p on 14 March 2012, 23:47

you want    to order yourself  some super soft tarmack rallye tyers     idealy part worns then dose them with rubber softener repeatedly

* you may well snap a driveshaft tho as they don't really do spinning

Title: Re: 1/4 mile!
Post by: major lucky on 15 March 2012, 21:34

pre-load the shafts and you should be fine,

check out mickey-thompson street tyres if your after a street strip tyre, 

Title: Re: 1/4 mile!
Post by: danny_p on 18 March 2012, 00:21

nobing about with some of the blokes i work with we've managed to  brake shafts in some very intresting ways.

allways take up the slack before lanuching.  but still managed to bust viryualy every part of the drivetrain at some point with supersofts.

even managed to twist a shaft

Title: Re: 1/4 mile!
Post by: major lucky on 18 March 2012, 21:42

i managed to snap 2 outers and 1 inner on the same launch, Spools are silly things lol