Some advice from the ZZP team.* All factory boosted engines require premium fuel, even stock cars.* This is a higher compression tiny engine in a car that is a little heavy for it.* It spends a lot of time in boost because its being worked so hard.* Below is a pic of a bone stock Trax piston...
ZZP has released the Big Wheel Turbo V2!! If you have not seen it yet, check it out.
Our revised (V2) big wheel turbo is now in stock! This new revision has a ~5mm larger exhaust wheel and an improved bearing. After testing it, our sonic picked up over 50 ft/lbs on an identical V1 big wheel setup.
I have been e-mailing for some time now with no reply. I am looking to talk to the forum moderator/owner. If you could please message me, I would greatly appreciate it. :)