Mahle pistons, sten parner h section rods with arp studs, solid lifters, that's it really, just custom intake flowed head and a few more tweaks :)
Mahle pistons, sten parner h section rods with arp studs, solid lifters, that's it really, just custom intake flowed head and a few more tweaks :)
Exactly the same as mine, mine will happily rev to 8500rpm.
Some info here...
http://www.vpcuk.org/forums/showthread.php?62483-How-to-use-a-BMW-Getrag-gearbox-with-a-T5-motor
Boost limit is a bit ambiguous, as it's down to the mapping, I'm running 1.3 bar (around 18psi) on my stock M4.4 engine, but this could easily bend a rod if it boosts too low down the rev range. No...