1974 ALFA ROMEO GTV

Typical onset: any mileage on neglected units

Symptoms: hard starting when hot, rough idle that worsens with engine temperature, fuel leaks from pump body, complete no-start if internal seals fail

Fix: The Spica mechanical injection system is temperamental and parts-scarce. Rebuild requires specialized knowledge—most shops send pumps out, adding weeks. Alternatively, many owners convert to Weber carburetors (2x DCOE) which takes 12-16 hours including fabricating linkage and rejetting. Spica rebuild runs 8-10 hours plus pump refurbishment.

Estimated cost: $1,800-3,200

Typical onset: 60,000-90,000 mi

Symptoms: rattling from front of engine on cold start that quiets after 10-15 seconds, rattling under acceleration, metal shavings in oil, catastrophic failure results in bent valves

Fix: The plastic-backed tensioner guide disintegrates with age and oil neglect. Timing cover removal, new chain, tensioner, guides, and front seal. If it grenades, you're looking at head removal and valve work adding another 12 hours. Preventive replacement is 6-8 hours labor.

Estimated cost: $1,200-1,800 preventive, $3,500-5,500 post-failure

Typical onset: 50,000-80,000 mi

Symptoms: oil pooling under bell housing, clutch slipping from oil contamination, transmission fluid level dropping, visible drips after overnight parking

Fix: Both seals fail due to age-hardened rubber and rear main requires engine or transmission removal—most shops pull the gearbox for access. Plan on clutch replacement while you're in there since labor overlap is 90%. Total job is 10-14 hours including clutch service.

Estimated cost: $1,800-2,800

Typical onset: not mileage-dependent

Symptoms: overheating in traffic or summer heat, coolant weeping from brass radiator seams, corroded core tubes visible, temperature spikes above 200°F

Fix: The original brass radiators corrode internally and lose capacity. Period-correct rebuilds are expensive; most swap to aluminum 3-row units with electric fan upgrade (ditch the mechanical fan). Includes new hoses, thermostat, water pump inspection. DIY-friendly but finicky bleeding procedure. 6-8 hours with fan conversion.

Estimated cost: $1,200-2,000

Typical onset: any age

Symptoms: excessive driveline clunk on throttle transitions, shifter vibration at highway speed, visible cracks in rubber mount, transmission tail housing sagging

Fix: The rubber transmission mount deteriorates and the steel crossmember fatigues or rusts. Replacement is straightforward but requires supporting the gearbox. OEM-style mounts available. 2-3 hours labor, add another hour if crossmember needs welding or replacement.

Estimated cost: $300-600

Typical onset: not mileage-dependent

Symptoms: intermittent gauge failures, headlights dimming at idle, starter solenoid clicking but no crank, dash lights flickering, horn working sporadically

Fix: Italian electrics meet 1970s Lucas-adjacent quality. Main issues are corroded fuse terminals, poor grounds at engine block and body, and oxidized bullet connectors. Methodical cleaning, dielectric grease, and adding supplemental grounds takes 4-6 hours of diagnostic and fix time. Not a single part failure—death by a thousand bad connections.

Estimated cost: $400-800

Typical onset: 70,000-100,000 mi

Symptoms: vibration around 50-60 mph that smooths out at higher speeds, clunking from center tunnel under load, visible rubber flex disc (guibo) cracking, center bearing play when rocking driveshaft by hand

Fix: The two-piece driveshaft uses a center support bearing and rubber guibo at the differential. Both age out. Requires driveshaft removal, bearing press work or complete shaft assembly replacement. 3-4 hours labor.

Estimated cost: $500-900

Typical onset: post-overheat event

Symptoms: coolant weeping from head gasket area after severe overheat, loss of compression in one or two cylinders, milky oil, visible stud pulling from block deck

Fix: Aluminum head on iron block with long studs—overheat events can strip threads in block. Repair involves Timesert or Helicoil thread repair, head resurfacing, new gasket, and often valve work. If severe, block may need welding and re-tapping. 16-24 hours total, potentially engine-out.

Estimated cost: $3,000-6,000