389 cranks & ram air IV cranks are ARMA STEEL (much better) than NODULAR.
all pontiac cranks are nodular except noted above.
all or MOST pontiac blocks will have the last 2 digits cast in the valley of the motor
00 = 400 55= 455 28= 428 and so on... some are also cast into the sides of the blocks aswell.....
Heres a good tip MOST all of large journel blocks have a pyramid near the dist. THIS IS A STREET RACING TRICK... if you cant tell what the block is look for the pyramid. NOW the street racers know this & is very common for people to hack that off to appear to be a smaller motor
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1969 Early 01D JUDGE #s MATCH RA III 4 Spd (Concours Restored)
1969 PRO STREET GTO 2500 lbs. ALL ALUMINUM 505
1969 RARE All Glass GTO (FOR SALE) YOU NEED THIS
AC Cobra Kit Car 521 670 HP/715 Trq
LOOKING FOR V PARTS !!!!!!!!!!!!
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