maximum sidewall

OptionZero · 02-13-2020, 06:12 PM

you're looking for a solution in the wrong place

but the path for better cornering is well-known.

good coilovers
stickier tires
SPL everything
bigger front bar

none of the solutions involve turning your Z into a monster truck

TobinH · 02-13-2020, 06:57 PM

Quote:

Originally Posted by OptionZero

you're looking for a solution in the wrong place

but the path for better cornering is well-known.

good coilovers
stickier tires
SPL everything
bigger front bar

none of the solutions involve turning your Z into a monster truck

coilovers would certainly help...

but the problem is the car is essentially airborne for very short periods. so more rigidity and sticker tires aren't really going to help that.

OptionZero · 02-13-2020, 10:25 PM

Quote:

Originally Posted by TobinH

coilovers would certainly help...

but the problem is the car is essentially airborne for very short periods. so more rigidity and sticker tires aren't really going to help that.

What the **** driving are you doing in which your car is airborne?

Rusty · 02-13-2020, 10:32 PM

Quote:

Originally Posted by OptionZero

What the **** driving are you doing in which your car is airborne?

He's in BC Canuckistan. So it's ralley-cross. Dirt roads are the main highway.

cooltoy · 02-13-2020, 10:50 PM

Quote:

Originally Posted by Rusty

He's in BC Canuckistan. So it's ralley-cross. Dirt roads are the main highway.

They are crazy in BC, in Alberta we avoid these issues by driving dogsleds and living in igloos.

Rusty · 02-13-2020, 10:59 PM

Quote:

Originally Posted by cooltoy

They are crazy in BC, in Alberta we avoid these issues by driving dogsleds and living in igloos.

You need a Sherp 4x4.

TobinH · 02-13-2020, 10:42 PM

Quote:

Originally Posted by OptionZero

What the **** driving are you doing in which your car is airborne?

the whole car is never airborne.

go find the worst pavement in your area... drive at high speed, and hit said pavement while cornering. you will find the car chatters, bangs, and moves sideways.

that's cuz the wheel hits the bump, and is deflected upwards very quickly. the suspension's job is to get it back to the ground in a controlled fashion. but that downwards travel takes time. during that time (which will only be a fraction of a second) you have zero traction - obviously, because your tire is in air.

pneumatic tires are pretty good at absorbing these high frequency hits, and they're better the more air volume available. more sidewall equals more air. of course if you're driving mostly on good pavement, there are downsides, but you know about that.

DaveZ03 · 02-14-2020, 08:24 AM

Quote:

Originally Posted by SouthArk370Z

Tires alone aren't going to do you a lot of good. The reason the tires are losing contact is because, among other things, your shocks are too weak and allowing the tires to fly up in the air. The "chatter" is because the tires are bouncing; weak shocks. It is more involved than just shocks - lots of suspension threads on this site.

Quote:

Originally Posted by TobinH

the whole car is never airborne.

go find the worst pavement in your area... drive at high speed, and hit said pavement while cornering. you will find the car chatters, bangs, and moves sideways.

Maybe avoid potholes and uneven pavement by looking ahead??

In all seriousness, you are likely to spend just as much on a new set of tires/wheels for your 18" setup, than you would for a very decent set of coilovers. Decently valved coilovers, combined with a properly aligned car, will do wonders and provide you with options down the road to run pretty aggressive wheel/tire combos.

TobinH · 02-14-2020, 09:51 AM

Quote:

Originally Posted by DaveZ03

Maybe avoid potholes and uneven pavement by looking ahead??

In all seriousness, you are likely to spend just as much on a new set of tires/wheels for your 18" setup, than you would for a very decent set of coilovers. Decently valved coilovers, combined with a properly aligned car, will do wonders and provide you with options down the road to run pretty aggressive wheel/tire combos.

I was planning on putting off suspension upgrades until after I do the exhaust and intake, but based on the suggestions on this thread maybe I will do it right after the diff and brakes.

it's not a question of wheels vs suspension - both have to be done. I just have to do wheels first, because I need new tires for this spring/summer.

jchammond · 02-15-2020, 02:39 AM

Quote:

Originally Posted by TobinH

I was planning on putting off suspension upgrades until after I do the exhaust and intake, but based on the suggestions on this thread maybe I will do it right after the diff and brakes.

it's not a question of wheels vs suspension - both have to be done. I just have to do wheels first, because I need new tires for this spring/summer.

If you’re keeping your base brakes; you can easily fit 17” diameter wheels on your Z, allowing more sidewall-while keeping the 27” Target diameter for accurate speedometer

02-13-2020, 06:12 PM	#1 (permalink)
OptionZero A True Z Fanatic Join Date: Apr 2011 Location: Sacramento Posts: 3,255 Drives: 15 370Z Nismo 6MT Rep Power: 214100	you're looking for a solution in the wrong place but the path for better cornering is well-known. good coilovers stickier tires SPL everything bigger front bar none of the solutions involve turning your Z into a monster truck MZ DAIZY likes this. __________________ OptionZero Build Thread Last edited by OptionZero; 02-13-2020 at 06:14 PM.

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