Quote:
Originally Posted by Eric Merryfield
Correct, two engine block castings early blocks 3790721 and later blocks were 3791362
Engine Code id's
ZI manual spec high performance 350HP
ZJ same as ZI except with AC
ZG same, except air injection(smog motor)
ZH smog motor with AC
Here is mine.
Eric
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Old car photos from owner #2,the motor and slicks at my work, picture of her at home(yes that the gremlin in the back), and its born on date and dealer sold at info......Chevy stuff can be quite fun for the #'s and history. A sharp eye on the old photos, will see the same altered original valve covers on the motor now.
I'm not sure how many cars that have been race cars for over 1/2 a century still have their born with motors at hand, i'd wager not too many.