My old 400 block bracket motor is stroke to 4.300 with 6.700 BB Chevy type h beam rods(518 C.I.
The current motor is stroked to 4.250 with 4.360 bore size I race it on E85 and have rana best 8.862 ET at 150.++ MPH in the 1/4 mile.
Best 1/8 mile has been 5.50 ET at 125.++ MPH weighing 2850 Lbs. boogie
No fill in either block ever twocents

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)