I recently purchased a strong running b-block for a project car and I need some help in determining what it is. Can someone please shed some light on the following codes?
Block rear casting #361959
Cast date: D 11 79
Pad stamp: 21989C
HI PERF PASS K22
Head casting: 3993820
Head cast date A 13 71
GM 9T PASS
Exhaust manifold L/H: 3994045
R/H 14045176
It appears to be a real "Heinz 57" Thanks in advance for your help.
Bob

Don't know about the block, but The heads were used in 70 -72 on 402 and 454 engines, they are oval port heads with 2.06 intake valve and 1.72 exhaust. Cumbustion chamber size is 105.0 CC.

361959.....454.......73-90...2 or 4 bolt www.mortec.com (http://www.mortec.com)

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Jeff 67/68(2) & 69 RS's

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