Might be of interest...

http://www.skylinesaustralia.com/for...howtopic=33407

IIRC RB25DET crank and rods are almost identical in weight and strength to RB26DETT ones (ie bulletproof), but RB25DE's are different, even the block is i think, no oil squirters drilled.

Dont quote me on that, im not 100%, just remembering stuff ive been told over the years. (might say in that link above, ive never actually read it )