Currently In the run game you almost want to be smaller. Quicker to get in to position while sometimes that split second block is enough to break a big run.
As far as a comparison goes at 243 compared to 316 while pass blocking your at a pretty severe disadvantage of the “bull rush” while the “speed rush “ aspect seems to equal the same merit as good pass blocking technique.
All that said, I played a 230-240 pound ex qb...at RG for preseason snaps. Like many his stats were muddled in the midst of heavy sacks throughout all long passes. But 86 speed , 84 acceleration and 88 strength was enough to at least hold his own. (At times)
Look at the game viewer and he’s minimally getting pushed around, while flying into position, but it the pass game where he’s engaged for a split second on most snaps.
Drive his pass block into the 90s and you might see an increase in pass blocking effectiveness but a lot of the engagements were still lost by my quick and more technical 257 pound LT . Making think that weight truly matters there.
The run game is surely a question but I would say that it doesn’t matter enough there. As this QB playing RG pulling on that 113 counter looked amazing. He moved like an elite nfl G getting in front of an 88 speed FS playing the depth of a MLB to bust a huge run.
Being a bit Counterintuitive , but you probably could get a rush offense to exploit the time blocks are held . No road graders here..... well at a competitive level with the quick get into position blockers. But could you beat the blitzes consistently by solely running? You have to pass some to throw off opponents. But it feels off. Passing you see it clearly.
I have been seeing slower backs get better blocks as everyone is getting in to position quicker and fast backs out run blockers more. Good or bad that part is a bit different too.