1966 FSO WARSZAWA

Typical onset: 40,000-80,000 mi

Symptoms: Loud clicking or tapping from cylinder head at idle, Loss of power and rough running, Increasing noise when hot, Metal debris in oil filter

Fix: The mechanical lifters wear rapidly due to marginal oil pressure and poor metallurgy. Complete lifter replacement requires cylinder head removal (8-10 hours labor). Always inspect cam lobes and rocker arms during this job as they frequently show wear patterns. Source NOS or Eastern European aftermarket parts—many vendors sell substandard reproductions.

Estimated cost: $1,200-2,200

Typical onset: 50,000-90,000 mi

Symptoms: Metallic rattling from front of engine during cold start, Chain slap noise that disappears as engine warms, Intermittent hard starting or backfiring, Check timing marks—they'll be off if chain has jumped

Fix: The simplex timing chain and fiber guides disintegrate predictably. Requires front cover removal, new chain, guides, tensioner, and gear inspection (6-8 hours). Critical: this is an interference engine—if chain jumps or breaks you're looking at bent valves and possible piston damage. Replace preemptively at 60k miles.

Estimated cost: $800-1,500

Typical onset: 60,000-120,000 mi

Symptoms: White smoke from exhaust when cold, Coolant loss with no visible leaks, Rough idle and misfiring, Milky oil or oil in coolant overflow, Overheating under load

Fix: The composite head gasket fails between adjacent cylinders or into water jackets. Head must come off for proper repair (10-12 hours). Always have the head pressure-tested and decked—warpage is common. Replace head bolts as originals stretch. Many shops encounter broken head studs in the block requiring helicoil inserts.

Estimated cost: $1,800-3,200

Symptoms: Vibration at idle that worsens with RPM, Visible separation between inner hub and outer ring, Belt misalignment or repeated belt failures, Serpentine wobble visible with engine running

Fix: The bonded rubber layer between hub and outer ring hardens and separates after decades. Replacement is straightforward (2-3 hours) but finding correct replacement is the challenge. Many owners use custom machined units or adapt balancers from Volga or Moskvitch engines. Do NOT run with failed balancer—crankshaft damage will occur.

Estimated cost: $400-800

Symptoms: Clunking when shifting into gear, Excessive vibration through floor and shifter, Visible engine/trans movement when revving, Gear engagement difficulty

Fix: The rubber transmission mount degrades from age regardless of mileage. Simple replacement (1-2 hours) but NOS parts are near-impossible to find. Most owners fabricate mounts using Lada or universal components with custom drilling. The three-speed column-shift transmission itself is nearly bulletproof if fluid is maintained.

Estimated cost: $200-450

Typical onset: 80,000-150,000 mi

Symptoms: Progressive loss of power, Increasing valvetrain noise despite lifter adjustment, Low oil pressure at idle when hot, Metal particles in oil—larger than normal wear

Fix: The soft camshaft material wears on lobes and journals, especially with neglected oil changes or wrong oil viscosity. Requires complete head removal and often block disassembly to extract cam (12-15 hours). Inspect all bearing surfaces in block. Aftermarket cams are rare—most rebuilds use reground or NOS cores. This job often turns into a de-facto engine rebuild.

Estimated cost: $2,500-4,800