Got halve a dozen of rare L14 conrods & started with the heaviest at 712 grams got it down to 660gram = 52 grams savings. I will go next with a better finish just trying to get them all the same weight for now then then machine .55 mm off each side CA18 conrods (24.3mm vs 25.4mm L14). Lastly will do final polishiing/weight matching then xray them shot peen then anything else required. Dress them finally with ARP rod bolts & 84mm zx14 forgies. Hopefully get them down to 630gsm finished. Machining has to be along the length of the rod to avoid small lines forming cracks. I tried to source H beams but none at 136.6mm c-c to suit CA stroker.


EDIT- Decided to not risk the short rod stroke ratio of 1.551 on a sleeved CA16/18de after calculating the taller 223.35mm CA20e block will allow 152.5mm Z20e conrods for 1.733 RSR (factory ZX 1.73) a perfect match. I can go taller rod but need 154.5mm rod which will need to be custom whereas I can deck the block 2mm instead which still leaves plenty of meat for studs which will be still longer than the bike stud thread area.

Bare engine complete sump 2 rocker 80.7kg - 84kg depending on final timing mechanism & crank knife edging.

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