What causes Spark plug blowout, stripped cylinder head threads on the Ford Mustang Gt (4.6l Sohc V8)?

Listen for exhaust tick, inspect plugs for aftermarket inserts Estimated fix cost: $300-$1500

What causes Timing chain tensioners and guides wear on the Ford Mustang Gt (4.6l Sohc V8)?

Cold-start rattle from front of engine, few seconds Estimated fix cost: $1200-$2500

Coolant loss, wet manifold near thermostat housing Estimated fix cost: $400-$900

Whine or clunk on decel, diff fluid condition Estimated fix cost: $300-$800

Known issues to inspect before buying a used Ford Mustang Gt (4.6l Sohc V8). What to check and how much repairs cost.

SERIOUS

Listen for exhaust tick, inspect plugs for aftermarket inserts

Fix cost: $300-$1500

MODERATE

Cold-start rattle from front of engine, few seconds

Fix cost: $1200-$2500

MODERATE

Coolant loss, wet manifold near thermostat housing

Fix cost: $400-$900

MINOR

Whine or clunk on decel, diff fluid condition

Fix cost: $300-$800

☐Cold start, listen for chain rattle

☐Inspect all 8 plugs and threads

☐Compression or leak-down test engine

☐Check frame rails, torque box cracks

Durable engine, minor known weaknesses, cheap parts