17inch rims on 260z 2+2?
Posted 19 November 2013 - 09:50 PM
The only rims I liked and they said would fit perfectly were 17inch but I haven't really seen many 17's on Zeds.
Will they really fit with no mods?
Will the size look alright?
Or does the tyre joint not know what there talking about ?
Sorry if all my answers are already here but I couldn't find em.
Posted 19 November 2013 - 10:16 PM
Posted 20 November 2013 - 09:22 AM
Something really low like a 40 series, to retain close-ish to stock rolling diameter?
That will have no sidewall flex, and no ability to absorb some road undulation/surface roughness.
With a 40 year old suspension geometry design that will just not keep a hard sidewalled 40 or 45 series profile tyre in full contact with the road surface at all times due to weight transfer/body roll/harsh braking.
Fitting very hard minimal movement springs ( race car type) and full adjustable suspension arms, will enable the tread surface to stay in full contact with the road surface, but give you one heck of a bone jarring ride.
Modern cars today do have the suspension geometry to combine the use of 17's/18's/19's with low tyres, and keeps them in contact.
Car will look good, but ask the trye/wheel retailer, ( who has a vested interest in one thing -getting your money out of your pocket) what will very low profile tyres do for my handling, with my suspension geometry in a 40 year old car. ( dont ask the 20 something kid behind counter, ask the shop owner)
Purely from experience, an engineering background, and hearing the stories of Rim, Dish, Rubber & Woe.
Go for at least a 50 series sidewall tyre, on the 17's, car will sit higher, have some flex, and be a larger rolling diameter.
Posted 20 November 2013 - 12:29 PM
Posted 20 November 2013 - 05:50 PM
Posted 20 November 2013 - 05:55 PM
Posted 20 November 2013 - 05:57 PM
See photos in my signature link.
Posted 20 November 2013 - 06:06 PM
Posted 20 November 2013 - 06:43 PM
Posted 20 November 2013 - 07:19 PM
We can throw some of the Wata copies on my Z so you ca see what will be required.
I am more a fan of a slightly higher sidewall, to allow that to flex in order to keep tread section more contact with road. Look at current V8 Taxi's and Formula cars!
When you conduct a dummy assemble of both front and rear, with no springs fitted, and look at the changes in camber and toe, along with the effect of bumpsteer, the changes in camber cause the tread surface on a stiff liw profiled sidewall tyre ie 40 series and less, to loose contact.
In a critical situation, not the ideal, if it came to a forensic situation, it would be declared as vehicle illegal due to modification, and if mod plated and engineered, the forensic divisions of the various authourities would well and truly over-ride and engineering approvals.
As noted above, some find their rides a bit darty, and thats with 45's!
Posted 10 December 2013 - 02:15 PM
I did a lot of digging around and Ozzy guarantee to beat any other price, so once I got the best price I went back to Ozzy and they beat it, plus delivered.
I also rang their tech (1300 699 699) and got him to check offset and overall diameter for a few combinations before making the final decision.
Now just have to wait 2 days for delivery.
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