Hi, I've been thinking for quite a long time about fitting an M42 instead of the trusty old M40 in my E30. This thread proves really useful, thanks to anyone who contributed, cheers! I have but one question: I know that the M42 block features oil jets, while the M40 does not. Are there any more diff...

Hello, I've got a kind of a weird request. I'm currently an automotive engineer student, and I've got a homework that is to create a virtual model of any given car. Of course, I chose my own E30, though I lack a few informations. So if anyone has a dyno graph of a stock M40B16 engine, I'd be really ...

Hello, I'm hoping I'm writing in the correct thread. So my question is that I'm planning to build a M42 stroker using M47 crank, M42 pistonheads with M40 piston rods. That way no bore increasing needed, only machine works are with the crankshaft. Is that a possible way, and how big increase in power...