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What specs do i need to run 19" Tires w/ 275s and 305s??

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Old Jun 3, 2006 | 11:04 PM
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Exclamation What specs do i need to run 19" Tires w/ 275s and 305s??

Hey guys im going to order a custom set of Work VS-XX and need to know what to order. I want to go 19x9.5 in the front with a 275/30/19 and 19x11 in the rear with a 305/30/19.

Basically I have already ground my fenders down and have tein basic coil overs. I had 20x11s in the rear with a 285/30/20 BFG KDW 2.

If anyone has pics of a 305/30(25??)/19 on the rear of a Z and what body modifications are needed to make it fit please let me know!

Thanks everyone your help is appreciated!

BTW car is going to have 500whp thats why i need the big contact patch!!


PS> What will my camber need to be at to make this work? I like to keep it a 1.5 in the rear
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Old Jun 3, 2006 | 11:06 PM
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offset is the key. I have 29+ in the rear and with 305, it rubbed (even after i cut the fender). I would assume offet for the rear should be around 32.
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Old Jun 3, 2006 | 11:19 PM
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do you have pics of how much you took off bubble? Im going with 19s now I sold my 20s I still need to clear the BBK like you !

I guess this is the size i need to run:
275/30R19 305/30R19

I can get either Pirelli, Advan, or Michellin... Which one to get?

Also. Am i going to have to run crazy neg. Camber so these fit. Thats defeats the purpose kind of for better traction if only 3/4 of the tire is on the ground.

Thanks!
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Old Jun 4, 2006 | 12:23 AM
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WTF, I thought u were selling your car?
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Old Jun 4, 2006 | 01:49 AM
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damn, you run 275 front? i don't have the pic but they cut to the max they can. I like Pirelli.
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Old Jun 4, 2006 | 08:20 AM
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265/30 295/30 in Mich ps2 will be a nice set up with decent offsets.
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Old Jun 4, 2006 | 12:13 PM
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Originally Posted by ___DJK___
WTF, I thought u were selling your car?
i was going to ask the same thing!!!
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Old Jun 4, 2006 | 12:21 PM
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Were'nt you buying that 5 series?
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Old Jun 4, 2006 | 01:16 PM
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i fitted 275 in the front and 295's in the rear. fenders definately needs to be rolled/cut
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Old Jun 4, 2006 | 08:21 PM
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Yea but i changed my mind, I feel like if i dont finish this project it would have all been a waste. Im just tired of waiting. So im going to finish it, It was harder to sell the car that i thought. Guess im too attached to it. lol

My fenders are already modified. Does anyone have 305s in the rear?
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Old Jun 4, 2006 | 08:43 PM
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Originally Posted by Bubble
offset is the key. I have 29+ in the rear and with 305, it rubbed (even after i cut the fender). I would assume offet for the rear should be around 32.
That's weird; I have no rubbing on my 305s (with fenders cut) and we have the same wheels.

Last edited by roncfpz; Jun 4, 2006 at 08:46 PM.
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Old Jun 4, 2006 | 08:48 PM
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Originally Posted by roncfpz
That's weird; I have no rubbing on my 305s (with fenders cut) and we have the same wheels.
Somehow, the left side is lower than the right site. It rubs on the left tire only. hehe
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Old Jun 4, 2006 | 08:48 PM
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Originally Posted by XBS
Yea but i changed my mind, I feel like if i dont finish this project it would have all been a waste. Im just tired of waiting. So im going to finish it, It was harder to sell the car that i thought. Guess im too attached to it. lol

My fenders are already modified. Does anyone have 305s in the rear?
George, I have 305s in the rear but on 20" wheels. My offset is +29mm. I believe Sharif is running 305/19 on his new Volks with +22.

Last edited by roncfpz; Jun 4, 2006 at 08:52 PM.
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Old Jun 4, 2006 | 08:48 PM
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Originally Posted by Bubble
Somehow, the left side is lower than the right site. It rubs on the left tire only. hehe
Did you get the Falkens?
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Old Jun 4, 2006 | 08:56 PM
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Originally Posted by roncfpz
Did you get the Falkens?
not yet. Found a place that sell Falken 305x25x20 (x2) for around $900. Is that a good deal?
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Old Jun 4, 2006 | 09:01 PM
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Originally Posted by Bubble
not yet. Found a place that sell Falken 305x25x20 (x2) for around $900. Is that a good deal?
Whoa! That's much more than the Conti SP2; got them for about $350 each.
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Old Jun 4, 2006 | 09:04 PM
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yah..$100 more for each but the tread looks more aggressive compare to SP2. That is one of the reason i still not buy yet.
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Old Jun 4, 2006 | 10:35 PM
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Originally Posted by roncfpz
I believe Sharif is running 305/19 on his new Volks with +22.
i think his offsets are +12 all-around
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Old Jun 4, 2006 | 11:43 PM
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Ron, how wide is your rim 10.5 or 11? and what brand tire did you go with. That looks awesome, no rubbing at all? What kind of suspension do you have?

Thanks- George
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Old Jun 5, 2006 | 04:10 AM
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I'm running that combo +30 in front +28 in rear with slight rubbage in rear inside on severe angles, an eight pound hammer would fix that , none on fenders which are rolled. It's lowered on Teins, no alignment specs. Pics in old thread below, best start at post #40
Bob
https://my350z.com/forum/brakes-and-suspension/76510-hre-547r-black-centers-305-pirelli-s-tein-flex.html
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