xs-sxs

Does that significantly affect comp ratios? intake velosities? Power? Fuel efficiency? Any other benifits besides the hydraulic adjusters?

I am doing valve replacement on a 1997 dohc ej25 , and I'll have to do valve ajustments too. Really currious to know if the later hydraulic lifters and shorter valves can fit in these heads, It would be nice to just replace the valves, lap them in and put it back together. Ordering shims and waiting to put it together is a pain (every 105k or so).