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5th gear Vtech seems weird and tops out at 143mph

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Old 10-18-2017, 10:33 AM
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Default 5th gear Vtech seems weird and tops out at 143mph

I'm not sure, but my 5th gear vtech does not seem to kick in strong and kind of moves slow I feel to get up to speed. Then it tops out at 143mph and it still has at least 1000 rpms to go. Is there something I need to do to my S300 computer or something to make it go faster and why would my 5th gear vtech not kick in strong or as strong as I aspect. It sometimes starts out strong and then seems weak. I have my S300 say top speed 156mph. Please help if you can going around straight a ways are really hurting my lap times. Any help would be greatly appreciated. Thanks.
Old 10-18-2017, 05:14 PM
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Ridin Dirty in Cali
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Default Re: 5th gear Vtech seems weird and tops out at 143mph

Who tuned your car?
You might want to talk to them first.
Old 10-18-2017, 07:07 PM
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Default Re: 5th gear Vtech seems weird and tops out at 143mph

It's very likely you are drag limited? How much power do you make that you think you can go 150+ mph?
Old 10-20-2017, 10:43 AM
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Default Re: 5th gear Vtech seems weird and tops out at 143mph

Yeah I guess it's not bad for all motor
Old 10-20-2017, 12:38 PM
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Default Re: 5th gear Vtech seems weird and tops out at 143mph

What Greyout said.
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