This is a very rare Z Code T/A 6.6L w72 only 2,485 hard tops were produced in 1979 with the w72/400 Pontiac engine, ws6, 3.23 posi, 4speed, the 4 speed has been replaced with an upgraded borgwarner WC-T5 5speed with lower 1st,2nd,3rd gears, So the 3.23 posi acts like a 3.73 posi. But the 5th gear is a 0.68 overdrive to make it act like a 2.20:1 to keep freeway rpm's down, and increased gas mileage, and also increased top speed. Factory 4 wheel Disc Brake, 15x8 snowflakes, AC, vehicle is in restoration statge most all body, mechanical, electrical, and suspension work has been completed, Vehicle is owned by a Mechanic Shop, and we are able to complete the restoration at additional cost. No Shipping LOCAL PICK UP ONLY, to arrange viewing reach me@ six two six five eight seven two seven zero zero
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