Which RS3 should I choose

DR_ · 09-16-2014, 01:58 PM

My Dunlop ZII finally need replacing so I'm going with Tire Rack old stock RS3 for my next set of track tires. My track wheels are stock sport Rays.
So which combo do you think would be fastest on the RS3 tires on the sport Rays. I have a fully adjustable suspension front and rear.

245/40/19 front 275/35/19 rear
275/35/19 front and rear
275/35/19 front and 305/30/19 rear

Obviously 275 on the front or 305 on the rear is not optimal rims size but do fit.
I already have the two pairs of old stock 275 but Tire Rack still has old stock 245 and 305.

LostSol · 09-16-2014, 02:02 PM

if you can fit it, go big. I run a 275-305 setup and it grips for days.

stuy486 · 09-16-2014, 04:37 PM

Yeah, 275F 305R for sure if you have a fully adjustable suspension. On stock suspension that will probably be way too pushy, but fine otherwise.

martin82 · 11-16-2014, 05:01 PM

I would run 275 square Z likes rotation w squares

DR_ · 11-16-2014, 05:54 PM

I went with the 275/305 setup. While I improved my best lap time by about 1.5 seconds over the 245/275 Direzza ZII the car felt sloppy and the extra weight could really be felt. The car oversteered for about a lap as the rears take a while to get up to temp. Once up to temp the rears overpower the fronts and I would get understeer. Once these tires are done I'm going to a square setup on 18" wheels.

FireDan50 · 11-16-2014, 09:02 PM

Good luck finding 275 RS-3s....I've been trying to get some but everywhere I contact....3-6 month wait.

09-16-2014, 01:58 PM	#1 (permalink)
DR_ Track Member Join Date: Jul 2009 Location: Dallas Posts: 981 Drives: Touring/Sport M6 PG Rep Power: 17	Which RS3 should I choose My Dunlop ZII finally need replacing so I'm going with Tire Rack old stock RS3 for my next set of track tires. My track wheels are stock sport Rays. So which combo do you think would be fastest on the RS3 tires on the sport Rays. I have a fully adjustable suspension front and rear. 245/40/19 front 275/35/19 rear 275/35/19 front and rear 275/35/19 front and 305/30/19 rear Obviously 275 on the front or 305 on the rear is not optimal rims size but do fit. I already have the two pairs of old stock 275 but Tire Rack still has old stock 245 and 305.

09-16-2014, 02:02 PM	#2 (permalink)
LostSol Premium Member Join Date: Jan 2013 Location: Orlando Posts: 1,021 Drives: 2010 370z 40th A.E. Rep Power: 15	if you can fit it, go big. I run a 275-305 setup and it grips for days. __________________ 2010 Nissan 370Z 40th Anniversary Edition #762/1000 \| Forgestar \| Michelin \| Swift \| TRS \| Z Speed \| ARK \| Z1 \| Hawk \| CFE \| Evo-R \| GTMat \| Stillen \| Seibon \| Whiteline \| Pioneer \|

11-16-2014, 09:02 PM	#6 (permalink)
FireDan50 Track Member Join Date: Mar 2012 Location: San Antonio Posts: 714 Drives: '09 370Z PW M6 Rep Power: 19	Good luck finding 275 RS-3s....I've been trying to get some but everywhere I contact....3-6 month wait. __________________ VSR Single-turbo kit: 611hp/517tq @ 10psi (Q16 race gas) Dan's VSR top-mount turbo 370z

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09-16-2014, 04:37 PM	#3 (permalink)
stuy486 Base Member Join Date: Oct 2013 Location: Santa Barbara, CA Posts: 81 Drives: '12 370Z MB M6 Rep Power: 12	Yeah, 275F 305R for sure if you have a fully adjustable suspension. On stock suspension that will probably be way too pushy, but fine otherwise.

11-16-2014, 05:01 PM	#4 (permalink)
martin82 A True Z Fanatic Join Date: Nov 2011 Location: los angeles Posts: 2,636 Drives: 12 Nissan 370Z MB M6 Rep Power: 20	I would run 275 square Z likes rotation w squares

11-16-2014, 05:54 PM	#5 (permalink)
DR_ Track Member Join Date: Jul 2009 Location: Dallas Posts: 981 Drives: Touring/Sport M6 PG Rep Power: 17	I went with the 275/305 setup. While I improved my best lap time by about 1.5 seconds over the 245/275 Direzza ZII the car felt sloppy and the extra weight could really be felt. The car oversteered for about a lap as the rears take a while to get up to temp. Once up to temp the rears overpower the fronts and I would get understeer. Once these tires are done I'm going to a square setup on 18" wheels.