saw this today on the new ? crossfire tech facebook group . i might have to go facebook again ,
what do we know about these tunes ? ive never heard of them .
428BHP at 6100 on a standard pulley ??

 

Those are crank figures I am sure, so?

 

So , 428bhp at the crank is incredible/unheard of output for a standard pulley , No?
but what are the other mods they speak of ? interesting, they must be very good !

 

It's more than a "tune" when it shows injectors, fuel pump, plenum and some other things. Kinda sounds like an entire different supercharger anyway so with all of that you may not need a pulley. What was the price? $300 or $5000

 

From what I see this does not have to be a 3.2 L engine.