North american chassis codes were different but in Japan and aus, all first generation rx7s were SA22C, generally referred to in aus as s1 (integrated selector), s2 & s3 delineated by bumpers/brakes/g-box/diff/oil cooler changes between 79 & 84/5 build.
Last edited by Slides; 08-30-2015 at 09:28 PM.
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