1/4 mile time with top up vs top down ?

[PJS]

hmmm... With my '98 & '11 GT convertibles I had them at 100+ a number of times at length and didn't notice any odd vibrations. The most noticeable was a whistle that started off the windshied corner on one of those at those (don't recall which one). I haven't had the oppertunity (conditions) yet to expose my '24 to time at autobahn speeds yet.

...if only I could take mine to the autobahn!! : /

;)

PJS

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[gary101]

I just hit 115 yesterday coming home with the top down, no shutter, almost lost my hat though lol

 

[DevilDog]

How about the top half down? Just kidding

That might create a little more drag than with the top up or down.

 

[Old School1]

I used to run my 2015 up to 120+ on a road near my home where I have clear line-of-sight for 2.5 miles. Was solid as a rock and very fun.
My 2024's windshield starts to shutter pretty badly at anything over 80 and putting up the windows doesn't help. When the top is up, she's ready for 125, but not topless.
Anyone else experience this?

I had the same exact issue and at the same 80mph. My tire pressure was never corrected by the dealer and I did not check them as well. The tires were 39psi and maybe one was over 40psi but don't remember exactly. Once the tire pressure was 31PSI on all tires the problem went away....with the exception on a very windy day crossing a long bridge then I noticed it. It did scare the crap out of me when I first experienced this.

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