what is the fastest you have had your Z too?

JoeD

What makes you say that?

rednek01

more weight, longer wheelbase

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Blown32

At 115 and you could feel it had plenty more to go and it felt GOOD!

bradz

I have reached 100mph. I will never go more than that. I already have a fobia. Got accident way back from the PI.

chirojin

75~80mph

VCuomo

(although I've only hit 100).

SGTBdizzle

I was doing 159 at least that's what the GPS said dash said 155 give or take but i know we can do better....

otftrble

128 mph

Rusty

I've been PLAID a time or 3 on the autobahn.

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JoeD

Weight has absolutely no effect on high-speed stability, and the effect of longer wheelbase is marginal at best.

rednek01

so about 400lbs of weight doesn't effect it also what is the distribution of this weight, and the foot longer wheel base doesn't effect it? The track widths are about the same, the suspension is probably a little softer " more luxurious ", also the tire widths are probably slightly different. None of this is taking into account the aerodynamics.

Granted these might all be small differences but they all start to add up exponentially at the speeds we are talking about.

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shabarivas

Exactly - more weight and MUCH longer wheel base. The way I look at it - the G is more suited for high speed sweeping turns and the Z does better with short technical turns... but in a straight line .. the extra wheelbase + the added 4-500 lbs makes a huge difference. remember im not talking about getting up to speed - but Im taking about how planted the car would feel at that speed

280z/300zx

What 400-500lbs are your talking about? Are you talking about the G coupe or sedan?. G35 or G37?

I mean the G35 coupe was roughly 3500lbs and even the G37 coupe isn't much heavier at 3600lbs and change. Considering the 370z touring sport comes in at just under 3550lbs there really isn't much different in weight. I mean even taking the lightest 370z ( base manual) vs the heaviest G37 coupe we are only talking about 150-200lbs.

370Zsteve

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chief_Roka

A lightweight car like the Z at those speeds would be a lot more twitchy. The added weight of the G would make it more stable, BUT, things like high speed cornering and other extreme handling situations are better suited for sports cars like the Z.

Grand touring cars are designed specifically for high speed highway style driving.
Sports cars like the Z are designed for complex track strings with hard twists and turns that a car like the G would not be able to achieve as quickly and accurately.