BLOCK CASTING #s
Blocks-Casting#
9782, 9783, 9784. 66’
9785, 9786, 9787, 9788, 9789. 67’
9790, 9791, 9792, 9793. 68’
9794, 9795, 9796, 9797, 9798. 69’
A-Body Engine Codes;
ZK, ZF, ZS w/MT. ZN, ZG, ZM w/AT 66’ 1BC
ZD w/MT. ZE w/AT 66’ 4BC
ZK, ZS w/MT. ZN, ZM w/AT 67’ 1BC
ZD, ZR w/MT. ZE, ZL w/AT 67’ 4BC
ZK w/MT. ZN w/AT 68’ 1BC
ZD w/MT. ZE w/AT 68’ 4BC
ZC, ZK w/MT. ZF, ZN w/AT 69’ 1BC
ZD, ZH w/MT. ZE, ZL w/AT 69’ 4BC
F-Body Engine Codes;
ZK,ZF,ZS w/MT. ZN,ZG,ZM w/AT 67’ 1BC. ZD,ZR w/MT. ZE,ZL w/AT 67’ 4BC
ZK w/MT. ZN w/AT 68’ 1BC. ZD w/MT. ZE w/AT 68’ 4BC
ZC, ZK w/MT. ZF, ZN w/AT 69’ 1BC. ZD, ZH w/MT. ZE, ZL w/AT 69’ 4BC
FREEZE PLUG SIZES;
Cylinder head
Two Large: 1-61/64"
Four small: 15/16"
Block
One Large: 1-61/64"
Three small: 1-5/8"
__________________
When I die, I want to go peacefully like my grandfather did, in his sleep.
Not screaming like the passengers in his car. 
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