1970 ALFA ROMEO SPIDER

Typical onset: 80,000-120,000 mi

Symptoms: Blue smoke on startup and acceleration, Oil consumption exceeding 1 qt per 500 miles, Low compression readings below 120 psi, Knocking or rattling from bottom end at idle

Fix: The 1779cc twin-cam engine often needs rings, bearings, or full rebuild. Expect 25-35 hours for a complete engine rebuild with machine work (bore/hone, crank grind). Many shops pull the engine for access; block work alone runs 15-20 hours labor plus machine shop fees.

Estimated cost: $4,500-8,000

Symptoms: Rough idle and stalling when cold, Hesitation or flat spots during acceleration, Black smoke indicating rich mixture, Hard starting requiring excessive choke

Fix: Dual Weber sidedraft carbs (typically 40 DCOE or similar) require specialized knowledge. Rubber diaphragms harden, jets clog from sitting, and syncing is an art. Rebuild kits plus proper tuning runs 4-6 hours if the technician knows Webers; double that if they're learning.

Estimated cost: $600-1,200

Symptoms: Excessive driveline clunk on throttle engagement, Vague or sloppy shifter feel with long throws, Vibration through shift lever at highway speeds, Difficulty finding gears cleanly

Fix: Original rubber mounts deteriorate completely after 50 years. Transmission mount replacement is 2-3 hours; add another 1-2 hours for shifter bushing refresh. Often done together since access overlaps.

Estimated cost: $400-700

Symptoms: Visible holes or bubbling paint along rocker panels, Wet carpets after rain, Sagging rear suspension geometry, Failed inspection due to structural corrosion

Fix: Italian steel rusts aggressively, especially in unibody stress points. Proper rocker panel replacement requires sectioning and welding, 15-25 hours per side. Rear shock tower repair involves removing interior and suspension, 20-30 hours. Many cars have amateur Bondo repairs hiding holes.

Estimated cost: $3,000-8,000

Typical onset: 60,000-100,000 mi

Symptoms: Erratic idle speed wandering 500+ RPM, Stumbling and poor throttle response, Difficult cold starting even with proper procedure, Fuel leaks from pump housing

Fix: If equipped with Spica instead of carbs, the mechanical injection pump wears internally and requires specialist rebuild. Few shops tackle this; expect to ship the pump out. Removal/installation is 3-4 hours, rebuild is $800-1,500 from a specialist, total downtime 3-6 weeks.

Estimated cost: $1,200-2,200

Typical onset: 90,000-130,000 mi

Symptoms: Whining that changes with speed, Clunking on deceleration, Leaking differential cover, Vibration at 50-65 mph

Fix: The solid rear axle develops worn ring and pinion gears or bad bearings. Differential rebuild with new bearings and seals runs 6-8 hours; if gears need replacement add $500-800 for parts and setup time increases to 8-10 hours.

Estimated cost: $1,200-2,000

Symptoms: Intermittent gauge operation, Headlights dimming at idle, No-start with corroded fuse box, Turn signals working only occasionally

Fix: 50-year-old wiring has brittle insulation, corroded grounds, and oxidized connectors. Diagnosis is time-consuming (3-6 hours typical) because problems are intermittent. Full harness replacement is 20+ hours but often the only permanent fix.

Estimated cost: $500-3,000