TRW piston id
Finally got to my 89 trw engine catalog.
I doesn't show info on the 3017f other than it is a cast piston for a 360 available in an engine kit. The engine kit has a forged alternative that can be gotten in the kit. THAT piston I've got info for, of course. I have no idea how close the specs are from cast to forged, but this is what I have on the L2405F.
1.591 compression distance. 597 gr. weight for .030, plus or minus 10 gr.
(Shows -10.9 cc dome volume, so it has a dish or valve reliefs, unlike your cast flattops) 5/64, 3/16 rings, .984x 3" pin, 154 gr pin.
For what it's worth.....