Apr 25th, 2023

In this new, 13-episode video series from LN Engineering, Tony Callas of Callas Rennsport shares valuable thoughts, tips and tricks on Porsche diagnostics and maintenance.

Watch now:

Tony grew up in his father’s shop, Rennsport Porsche Works in Texas and was servicing Porsches at 10 years old, rebuilt his first engine at 16, and at 18 went to the Porsche Factory School and started working in racing. He’s worked for Roock Racing, Seikel Motorsport, Champion Racing, Rohr Motorsport, Reiser-Callas Rennsport, Peterson White-Lightning, and earned wins at the 24 Hours of Daytona and Le Mans, where Tony was Mechanic of the Year for Porsche.

CR Tools Crankcase AOS Vacuum Measurement Tool

Measures crankcase vacuum to diagnose possible false air leaks (low vacuum), AOS air oil separator failure (high vacuum), and evaluate overall engine health (ring sealing). 

Durametric Professional Porsche Diagnostic & Software Kit

The Durametric professional diagnostic cable supporting 1996+ Porsche models (unlimited VIN limit); includes the optional adapter for 928, 944, 968, 964 or 993 models with a round diagnostic connector. 

Driven Injector Defender

(for Gasoline Engines)

Engineered with antioxidants to protect fuel injection systems from harmful deposits, provide longer fuel life, and bring back the roar when you floor it.

Top Quality Fuel Injectors

For Your Porsche Engine

Rebuilding your 996 or Boxster engine? New injectors are a must. Bad fuel injectors are a leading cause of bore scoring and can cause damage to your new engine.

Mass Airflow Sensors

For Porsche Engines

OEM Bosch Mass Airflow Sensors for Boxster, Cayman and 911 models are now available from LN Store

Genuine Bosch Oxygen Sensors For Porsche Engines

Oxygen sensors should be replaced every 60,000 to 90,000 miles to ensure proper engine function on all Porsche models.