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P4RTYH4RTY P4RTYH4RTY is offline
BMS Fanboy
Posts: 46
Join Date: Feb 2019
Car: 2019 Kia Stinger GT RWD
Default 07-11-2019, 01:46 PM

I recently uninstalled then reinstalled my JB4, and now it feels like there is a lag until 4K rpm. It feels a lot like VTEC; not much going on until after 4K, even at WOT. I’ll usually start my pulls in 2nd gear @ 3k rpm. I don’t remember it feeling like this the first time around with the JB4. Did I just forget, or is this normal?
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