170k at n/a power levels is nothing. These are not n/a converted to turbo operation, it's the other way 'round. Put some fresh bearings in, bore to 1st oversize, drop the JE's in, add some head studs for good measure. Done.
The fact that many revolutionary new ideas were at first ridiculed is no proof that the 'new' ideas you're being ridiculed for now are indeed visionary.