Best front tire width to match a 305 rear?

littlejuanito · 04-03-2017, 07:02 AM

Quote:

Originally Posted by Spooler

Run the 265's. The 275's are too tall.

Yes. The 275 does run taller. The 265/305 combo are equal at a 26.3 diameter I believe.

RadioFlyer · 04-11-2017, 03:27 AM

FWIW, I'm running 275/35/19 on a 9.5 up front and 305/30/19 on a 10.5 in the rear. These sizes fit perfectly in my opinion. You can't notice the overall height difference, and for PS4S's, a 275 is just right on a 9.5".

danegrey · 04-11-2017, 06:07 AM

i just put Michelin PSS 4S on the car...
265/35 295/30
I had 305 in back and wanted just to go a bit smaller....
my car has no FI, but it is a compromise, between appearance / autocross
since autocross is just fun, I will take the disadvantage,
but all around, I enjoy the Michelin in all conditions, except when it gets cold

2011 Nismo#91 · 04-18-2017, 09:20 AM

Quote:

Originally Posted by Spooler

Run the 265's. The 275's are too tall.

The difference is still less than 3%, it should be fine.

Blue06Z · 06-10-2017, 06:08 PM

I just put some 305's on my stock rears and didn't replace my fronts. My car feels a little unstable/loose in the rear. Would putting a 265/275 fix this?

OptionZero · 06-10-2017, 07:11 PM

A wider rear tire should not make your rear feel unstable or loose. the whole point of more tire in back is for more traction back there

if they're brand new tires they'll take a couple weeks to break in and burn off any protective gunk on it that might be left from the mfg

that said, we don't know anything about the condition of your fronts. given that you have a 2016 they should be pretty good still

Blue06Z · 06-11-2017, 12:36 PM

I drive a lot. My rears lasted just under 38k. I'm wondering if there isn't enough rubber up front. I see now my last post, a 265/275 up front is what I meant. I'm basically running 245/40 and 305/30.

unreal82484 · 06-20-2017, 10:42 PM

I have stock 2014 Nismo wheels. Could I put my 285 /35/19 to the front and get 305/30/19 for the rear?

loiro370z · 06-21-2017, 03:28 PM

Quote:

Originally Posted by unreal82484

I have stock 2014 Nismo wheels. Could I put my 285 /35/19 to the front and get 305/30/19 for the rear?

Yea , but no all tires are the same
Some tires will rub, some not
here potenza RE 11 on 285/35 on 9.5 wheel

here with nitto invo 275/35 /same wheel, the invo scraped at bit, see the bulge with the 275? and no bulge with the 285?same wheel different tire

View Poll Results: Which tire combo works best?
265/35/19 with 305/30/19	24	47.06%
275/35/19 with 305/30/19	27	52.94%
Voters: 51. You may not vote on this poll

04-11-2017, 03:27 AM	#17 (permalink)
RadioFlyer Base Member Join Date: Aug 2014 Location: Los Angeles, CA. Posts: 193 Drives: 08 G37S S/C Rep Power: 39	FWIW, I'm running 275/35/19 on a 9.5 up front and 305/30/19 on a 10.5 in the rear. These sizes fit perfectly in my opinion. You can't notice the overall height difference, and for PS4S's, a 275 is just right on a 9.5". Last edited by RadioFlyer; 04-11-2017 at 03:32 AM.

04-11-2017, 06:07 AM	#18 (permalink)
danegrey A True Z Fanatic Join Date: Oct 2011 Location: Knoxville Age: 71 Posts: 3,084 Drives: 12 370Z BK Cherry M6 Rep Power: 565650	i just put Michelin PSS 4S on the car... 265/35 295/30 I had 305 in back and wanted just to go a bit smaller.... my car has no FI, but it is a compromise, between appearance / autocross since autocross is just fun, I will take the disadvantage, but all around, I enjoy the Michelin in all conditions, except when it gets cold __________________ Lots of Changes the Z needs to be driven and driven hard for the car lives for it

06-10-2017, 06:08 PM	#20 (permalink)
Blue06Z Base Member Join Date: Mar 2016 Location: Jacksonville, Fl Posts: 18 Drives: 16 PW NISMO TECH 6MT Rep Power: 9	I just put some 305's on my stock rears and didn't replace my fronts. My car feels a little unstable/loose in the rear. Would putting a 265/275 fix this? littlejuanito likes this. __________________ 16 Pearl White NISMO 370Z 05 Lemans Sunset 350Z SOLD 06 Daytona Blue 350Z SOLD

06-10-2017, 07:11 PM	#21 (permalink)
OptionZero A True Z Fanatic Join Date: Apr 2011 Location: Sacramento Posts: 3,160 Drives: 15 370Z Nismo 6MT Rep Power: 203226	A wider rear tire should not make your rear feel unstable or loose. the whole point of more tire in back is for more traction back there if they're brand new tires they'll take a couple weeks to break in and burn off any protective gunk on it that might be left from the mfg that said, we don't know anything about the condition of your fronts. given that you have a 2016 they should be pretty good still __________________ OptionZero Build Thread

06-11-2017, 12:36 PM	#22 (permalink)
Blue06Z Base Member Join Date: Mar 2016 Location: Jacksonville, Fl Posts: 18 Drives: 16 PW NISMO TECH 6MT Rep Power: 9	I drive a lot. My rears lasted just under 38k. I'm wondering if there isn't enough rubber up front. I see now my last post, a 265/275 up front is what I meant. I'm basically running 245/40 and 305/30. __________________ 16 Pearl White NISMO 370Z 05 Lemans Sunset 350Z SOLD 06 Daytona Blue 350Z SOLD

06-20-2017, 10:42 PM	#23 (permalink)
unreal82484 Base Member Join Date: Jun 2017 Location: Victoria, Texas Posts: 5 Drives: 2014 370z Nismo Rep Power: 7	I have stock 2014 Nismo wheels. Could I put my 285 /35/19 to the front and get 305/30/19 for the rear?

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