R/B 511 ci

30 over 440 4.30 stroke 6.8 long rod j/e pistons

13.1 comp

650/290 solid cam

indy sr,s m/w ports

440-2 adapter 1050


3470 duster went 10.20s


two years later

same short block

440-1 cnc 345s

rollar cam 277 /700 with 1.7 rockers 800 lift

440-2 adapter 1050

3400 pounds 9.91 136 mph

then

tunnelram two 750s carbs 9.85 137.5 mph


1.39 9.85 - 137 mph