Was fitted to my derby before I purchased it, made about 150 bhp with a 4 branch, exhaust, charge cooler, air filter, water injection and a chip.
The builder (Kam) had problems tensioning the charger and blew it up!!! Replacements are very expensive so he didn't bother.
I am pulling the engine out the derby as no kind of g40 lump will fit without chopping up the shell