Originally Posted by Bosch-Man
Mad Yum another reader not tester...a Rainbird run a std gearbox

not sure about diff...but they are strong anhd without launches i reckon both will hold up well..we aint talking 4x4 mate.
600bhp may be optimistic..depends how good the engine is

..and how good a Karl map is

..may surprise everyone..may not...it will only go on rollers to see..so who knows....but gutting for you if it was more than yours Yum

There is no way that your will ever see 660bhp
But really good luck with the standard transmission and getting to 600bhp, l think you get to about 550bhp my self but wht do l know im just a reader and not a tester