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Tyres For A 270+rwkw R34

gwilkinson34
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gwilkinson34 Collaborator

gwilkinson34

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Hi all,

I've just got my car back after some major modifications with a healthy 272.9rwkw before 6000 rpm - obviously my crappy 235s have no chance of holding it in 1st or 2nd (barely in 3rd) so I can't get most of my power down.

The search is on for some new rears - to match the fronts i need to go 265/30/19

I was thinking of the Nitto NT05s but they don't come to Aus in this size apparently...

The two others i'm tossing up between are the Pirrelli P Zero Rosso and the Yokohama Advan AD08 - prices for these are around the $600 - $650 mark each (ouch :) )

Anyone have any thoughts?

Cheers.

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TiTAN Grand Master

TiTAN

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take a look at the federal 595 RS-R tyres, they are fairly cheap for a decent road legal semi slick.

otherwise check out http://www.tirerack.com/ they deliver internationally, though expect ~$200 for freight and a $30 international money transfer charge when you pay for them, friend just got some 265 17's Michelin Pilot Sport PS2 tyres for just over $800 delivered, the cheapest price he could find one tyre for in australia was just under the price for 2 from the USA even with delivery etc.

gwilkinson34 Collaborator

gwilkinson34

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kumho ku36

federal 595 ss

federal 595 rsr

mickey thompson et streets

falken azenis

heaps 2 pick from

the old 3076r made 272kw.. what boost?

old 3076? I assume you aren't meaning the 5 blade one? Mine's a spankin new 6 blade.

272.9rwkw @ 18psi - fairly conservative tune, max power is in before 6000rpm all the way to redline so i could lean on it a bit more.

post-71984-1275531345_thumb.jpg

wolverine Grand Master

wolverine

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It looks a bit lazy coming onto boost but it makes the numbers.

I reckon there is more to be had in the mid range with tweaking/checking boost control and wastegate pre-load.

Have you modified your suspension? How much rear camber?

My R33 makes very similar power (allowing variations for dynos) and I have almost no issues getting power to the road with regular road tyres. I have the old SK GB suspension (bilsteins etc) and I have tweaked the settings around to suit me.

WYTSKY Veteran

WYTSKY

Posted
Posted

good result... was this internal gate?

Also.... I went and got new tyres the day before i started on my 3076r build because I knew how the after effect was going to be...

I have I think nexens (i'll have to check.. cant remember the brand) was 600 all up for 4 new tyres... 235/40/18s...

They hold on pretty well for what they are and cheap to replace! even when i had my car in 2wd they were good.. in awd theres barely any let go...

gwilkinson34 Collaborator

gwilkinson34

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It looks a bit lazy coming onto boost but it makes the numbers.

I reckon there is more to be had in the mid range with tweaking/checking boost control and wastegate pre-load.

Have you modified your suspension? How much rear camber?

My R33 makes very similar power (allowing variations for dynos) and I have almost no issues getting power to the road with regular road tyres. I have the old SK GB suspension (bilsteins etc) and I have tweaked the settings around to suit me.

Yup .82 rear.

The boost does look a little slower than some other graphs - although we mapped it up against an R33 with almost the exact mods on the dyno charts and mine made 30kw more throughout the whole range and almost 70nm more torque throughout until both making the same power at redline - and the 33 was on 21psi. Thinking that's the NEO making the difference.

I might just play around with the gain on the boost controller in small increments and see what I can glean re the boost delivery...

As for traction it is standard suspension with King Springs - thinking of going the pineapples. If i put my foot past 2/3 in 2nd it breaks out everytime around 4.5-5k. But they are pretty average Hancook 235s...

gwilkinson34 Collaborator

gwilkinson34

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And yes it's internally gated - spent enough $$ without going for external!

I was really only after 240-250ish when i began this whole thing but thought i may as well get the best parts and see where i ended up... I think the 273 could definitely go up but it is a daily driver and i want it to last a number of years so don't want to lean on it too much...

l0WRB Mentor

l0WRB

Posted
Posted

yeh looks the goods, dif comes on slower being internal gated

im running brand new federal 235 40 18s 595 SS on the rear and in 2nd with 290rwkw i dont loose traction and thats tucking rim with G4 coilovers hard as lol.. HRMM

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