Matt and Sarah drove in from Michigan for some work on their 2022 CT4-V Blackwing A10. We installed our Blue Belt Performance Package, and did regular maintenance at the same time. Originally they had some poor quality fuel from an obscure gas station and the car would only make 485 whp. We topped off the tank with some 93-octane from our local gas station and were then able to build a really nice, broad powerband peaking at 535 whp.
Matt and Sarah
from Michigan
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