miata lap times with top up and down (different)

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962porsche
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miata lap times with top up and down (different)

Post by 962porsche » Fri May 24, 2013 10:27 am

have any one ever taken there lap times in a miata with the top up and the top down to see if there is any difference between then .
i would not think there is any ?

paultg
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Re: miata lap times with top up and down (different)

Post by paultg » Fri May 24, 2013 12:38 pm

google is your friend.

From what I recall there is a difference, airflow is more turbluent with the top down, so lap times are slower.
So you can leave your top down essenstially and use that as an excuse. :P
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962porsche
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Re: miata lap times with top up and down (different)

Post by 962porsche » Fri May 24, 2013 12:55 pm

i did google it and got some different answers .
i'm looking for some one how really did it them selfs to see .
i would think at a track like nhms that no you would not see a change in lap times but at a track like say the glen you could ?

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breakaway500
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Re: miata lap times with top up and down (different)

Post by breakaway500 » Fri May 24, 2013 3:28 pm

Top up has always been slower in my Miata...mainly because the track would be wet... :lol: :sunny:
Last edited by breakaway500 on Fri May 24, 2013 4:29 pm, edited 1 time in total.
It's not what you drive, it's how you drive. "Lap times matter"

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Re: miata lap times with top up and down (different)

Post by Grippy » Fri May 24, 2013 3:51 pm

IIRC at the Glen the top up was worth 5MPH on the back straight. The hard top is a bit better than the raised soft top. I might be off a bit as it was a few years ago when I ran a soft top.
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