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Yes, many have swapped them into Grand Prix's and Lemans' of the same year. You will need the motor mounts for the Pontiac V8, and the transmission must match the Pontiac bellhousing (it is not the same as the Chevy pattern). Other minor issues may creep up such as throttle linkage, wiring (starter is on the opposite side), exhaust (I believe the Pontiac manifolds will clear the frame), but the are not insurmountable.

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Q: Can you install a Pontiac 400 into your 1981 Chevy Elcamino?
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