from what I've read the bottom end of the 1.8 16v up to the pistons is forged. Has the thoought of a longer rod. I'm curious to see also if the crank & connecting rods can be shot peaned. I'm thinking maybe bore out a 1.8 and keep the stroke and maybe go with the bigger pistons forged of coarse. Doing this may give you the results you want. But, there is always abetter way. Put some work into the head, that'll help with the flow and revs, look for a bigger valved 8v head or get your valves changed. It could be pricy but worth the gains.Are you gont to have a motorway blaster or a pull out of the turn? Or torque miester. Keep us posted I'm curious i've been thinking of either building a healthy 1.8 G60 type enging ( I've always wanted a supercharged engine. or go with a 2.o 16valver with a couple of mild camshafts. Or combine the 2. A blown 2.0 16 valver, hhmmm sounds just lovely.