Oh my! I popped in here to log my pitiful efforts and saw you'd updated your log so decided to check it out. Glad I did!
I almost spat my tea all over my computer screen! Those are some darned good lifts. Big congrats from me: for your sheer dedication to the task in hand as much as for the lifts themselves. After all, it's all the hard work leading up to the PRs that makes the PRs possible.
Scanned a few of your other recent posts. Re muscular size vs strength levels: it is not that unusual for a person to have better leverages than average, around some of their joints; and conversely, someone else may have poorer lever arms than average. This is bound to affect the size/strength relationship between individuals. You have to assume that your leverages are pretty good if you are a good deal stronger but not much larger than other lifters at your gym. Genetics and training your CNS to deal with heavy loads definitely play a part. Then there's the natural amount of tissue and shape of the muscle bellies themselves. Genetics again.
If you're using Casey Butt's Maximum Drug-Free Bodybuilding Potential Calculator and are at the max sizes that the calculator spits out then you probably look a whole lot better than you think you do.
This is how things play out for me using Mr Butt's calcs:
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Height: 70 in, Wrist: 7.25 in, Ankle: 8.5 in
The estimated maximum muscular measurements (@ ~8%-10% bodyfat) are:
Chest: 48.3 in, Biceps: 17.9 in, Forearms: 14.2 in,
Neck: 17.7 in, Thighs: 26 in, Calves: 17.1 in
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It doesn't tell me what bw I would be at these numbers. My bf levels are around 12% at the moment and I'm weighing in at ~185lb. My bis are around 16", thighs are about 23.5", forearms almost 13". (These are all when cold and unpumped.) I'm down a fair amount in all areas. I think if I had good enough genes to ever make it to Casey's predicted possible measurements I'd look 'large-ish' with shirt off, but still pretty small with shirt on.
Interested to know what the calc says for someone your size, and where you have the most/least potential for gains?