Re: ZLX question
From page 150 of vintage "How to HotRod Big Block Chevys" in the Heavy duty parts list they show chevy part #3970699 as a partial engine assembly L-88 427: "430 HP L-88/ZL-X short block with 12.5:1 c.r. pistons for use with open-chamber heads, 4-bolt mains." I still dont know what ZL-X refers to.
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1968 Z/28 34,000 mile, born with engine and trans, Shipper, California car, Fathom Blue, deluxe interior, M21, 3.55 Posi
1962 Oldsmobile Jetfire, Factory all Aluminum V8 Turbocharged and Methanol Injected TURBO ROCKET engine, 4 speed Hydramatic, 4 link rear suspension, 3.36 Anti-Spin differential, California car, PS, PB, PW, AC, Jetfire 2 option package.
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