Originally Posted by witeshark
The M20 2.7 'eta' was designed with increased displacement and lower revving, torque enhanced I6 to offer a higher fuel economy model at the expense of some performance.
that explains why it has a lower redline than my E30 with the 2.5 litre. That means, since it has more torque, it has not a bigger bore like I origionally thought, but a longer stroke. HA! NOW I know how to build a 2.9 litre stroker! YAY!