A block from an early 1970s car has 0.012" of bore taper. Technician A says to rebore oversize and use a new piston and rings. Technician B says to use 0.010" oversized rings. Who is right?
A)Technician A only
B)Technician B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician A's suggestion is the correct one. The bore taper is beyond the acceptable limit, and using oversized rings alone will not correct the issue. The correct solution is to bore the cylinder oversize and use a new piston and rings to ensure proper sealing and compression.

A Block from an Early 1970s Car Has 0