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718 GTS 4.0/GT4/GT4RS/Spyder/25th Anniversary Discussions about the 718 version of the GT4RS, GTS 4.0, GT4, Spyder and 25th Anniversary Boxster
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GT4 and Spyder head to rolling road

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Old 06-20-2021, 09:54 AM
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MannyLon
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Default GT4 and Spyder head to rolling road

video from RR session:

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0-Day (06-20-2021)
Old 06-20-2021, 11:16 AM
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0-Day
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It looks like the factory headers are making slightly more torque across the entire powerband, including about +10 ft.lbs at redline more for the factory header Spyder.

Something odd about this dyno to me was that the Spyder made peak power at redline, whereas the GT4 fell on it's face after 7000rpm

Which transmission did each car have? Do they have similar mileage?

Last edited by 0-Day; 06-20-2021 at 11:17 AM.
Old 06-20-2021, 12:48 PM
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Originally Posted by 0-Day
It looks like the factory headers are making slightly more torque across the entire powerband, including about +10 ft.lbs at redline more for the factory header Spyder.

Something odd about this dyno to me was that the Spyder made peak power at redline, whereas the GT4 fell on it's face after 7000rpm

Which transmission did each car have? Do they have similar mileage?
Both manual. My cars has 2k miles.Will found out the Spyder's miles.



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