I just put a b&m 2500 stall converter in a 727 behind a 512 stroker. I used a beefy solid flexplate which bolted to the crank with six beefy ARP bolts.

Then the flexplate boltes to the torque converter lugs with four tiny little bolts!

What gives? I suspect leverage comes into play here but how does all that beef trickle down to four tiny bolts? I felt like I had to be extra careful to not shear them while torquing with blue loctite! I’m always blown away when I see ‘weakest link’ items- 1/2” front leaf spring bolts, the single pin that holds the swinging basket to the frame on a ferris wheel...

Obviously it works or they wouldn’t make them like that but does anybody smartener than me have an explanation?