Technical Posts and Articles
by: The Members And Guests Of The IZCC
Last Updated 13 Feb. 2008-cjb

General Discussion Areas:

• L6 Engine Harmonics - a discussion
• 1973 Z "Dealer Modifications" or "Making the 73 Z Run In Hot Weather"
• Torque and Horsepower - A Primer by Bruce Augenstein
• Oil (& synthetics) for your Z.
• Storing your Z.
• Early Z Car air conditioning.

Body

• The Z car body.
• How To Recover Early Z Seats.
• How To Install Acura Seats In A 240-Z
• Dash care.
• Painting your Z.
• Correct Engine Paint Mix for L6 engines.
• Early Z car paint codes.
• How to adjust the door locks on your 240 Z.

Body - Electrical

• Lights / Lighting
• 240-Z Headlight Relays by Stephen Judkins
• 240-Z Headlight Relays by Dave Irwin
• 240Z Turn Signal Switch Fix / Modification
• Wiring Euro Spec. Tail LIghts Into A US Spec. 240Z

Drive Train

• 69/83 Z Car Tranny and Shifter ID -Type "A", "B" and Borg-Warner
• Swapping An R200 Differential into a 240Z
• Swapping The Transmissions in a 240Z
• The Borg-Warner T5 From The 280ZX Turbo.
• Borg-Warner T5 Rear Oil Seal
• Gear Ratios Trans./Rear-end.
• The Gleason/TORSEN Limited Slip Differential
• How to determine what ratio a specific differential contains.
• Trans/rear end over-all ratios chart.
• Fixing the Z car's gear shifter..
• The discussions about the rear end of the Z.
• Converting your 280Z's automatic transmission to a manual transmission.
• Converting your 240Z's automatic transmission to a manual.

Engine

• Block
  • Putting a V8into your Z.
  • Heads, Head Gaskets, Bore & Stroke Combinations - cc's and compression ratios.
  • Very Early Crankshaft Design, Used in the first 1000 HLS30 - 240Z's.
• Heads
  • About L Series Heads
  • E31 and E88 Heads - How To Tell Them Apart.(with pictures)
• Cooling System
  • Fixing the fan clutch in your Z-By Carl H. Stahlnecker
  • Fixing the fan clutch in your Z -By John de Armond.
  • Installing an electric fan in your Z.
  • 240Z- - Cooling System Problems & Solutions
  • 280ZX-Cooling System Problems & Solutions
• Exhaust System
  • Early Z car exhaust.
• Ignition System
  • 70-72 Wiring to Convert to ZX Ignition or Pertronix
    
  • Installing Autometer 2-5/8" gauges into 70-78 Zs.
    
  • Mallory UniLite Distributor and ProMaster Coil For A 240Z
  • A 280Z Alternator For Your 240Z.
  • Ignition for your Z.
  • 280Z / GM-HEI electronic ignition For Your 240Z.
  • 240Z Tach. Hook-up With Electronic Ignition a hint that may help.
  • 240Z Tach. Hook-up With Series 6/7 MSD System
  • 1972 Geraghty Dyno Tune Kit
• Intake System
  • Turbocharging your Z.
  • S.U carburetors for your early Z.
  • Triple SU setup for L Series engine - Yes/No?
  • Improving The Throttle Linkage or Getting Rid Of The Jerk! in your early Z.

Suspension/Brakes/Wheels /Tires & Steering

• All About EuroSpec Springs
• Installation Instructions BRE/Interpart 240-Z, Rear Sway Bar
• Suspension 101 - Components of Suspension & What They Do.
• 240Z / 240SX Rear Disk Brake Conversion
• 240Z / 280ZX Rear Disk Brake Conversion Bracket
• 84 300ZX Turbo - Adjustable Shock Conversion To Non-adjustable Replacements
• Steering Rack Rebuild - For First Generation Z's
• Power Steering Rack Rebuild - For 280ZX
• Bleeding Your Brakes
• Toyota Brake Calipers For Your 240Z or 280ZX
• Members Feedback About Toyota Caliper Up-grade.
• Z car brakes.
• Brake upgrades for 90+ 300ZX's.
• Longer wheel studs.
• The suspension of the Z.

Special Tools For First Generation Z's

• The STE SU Tool Kit
• How To Build A Spindle Pin Removal Tool

Radio/Stereo For Your Z

• Installing a stereo in your early Z or ZX.
• How to make your early Z sound better.

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