Small Block Oldsmobile. Rocket racing new olds block article written up by enginelabs. Rocket racing new olds block is now approved for nhra ss stock.
OLDSMOBILE 307330350403 SMALL BLOCK 6000 H-BEAM RODS 49999 OLDSMOBILE 307330350403 H-beam connecting rods are manufactured from aircraft quality 4340 chromoly steel. The 455 big block Olds V8 was replaced in 1977 with the 403 cu in 66 L small block which used a 4351 in 1105 mm bore the largest ever used in a small-block V8 with the Olds small-block standard deck and 3385 in 860 mm stroke. At least a 4125-inch bore is the same as more mainstream engines like Chevys 400ci small-block so premium ring sets are readily available.
Facing the front of the engine at the top surface of the timing chain area to the left of the oil fill tube there is a code about 15 high followed by the casting number.
The rods are x-rayed and ultrasonically tested with all surfaces shot peened and stress relieved. A letter indicates a big block a number indicates a small block. NOP offers many new and modern internal engine parts like Mahle Motorsports Forged pistons for 350 400E and 425 Olds. OLDSMOBILE 307330350403 SMALL BLOCK 6000 H-BEAM RODS 49999 OLDSMOBILE 307330350403 H-beam connecting rods are manufactured from aircraft quality 4340 chromoly steel.
