Exhaust Gas Recirculation (EGR) came about in 1975 when catalytic converters were introduced. The inert exhaust gas was used to quell the increased heat in the engine’s cylinders from the lean fuel mixtures required to keep the catalytic converters from melting down. EGR systems also helped eliminate spark knock from the increased combustion chamber temperatures. […]
Tag: LT1
The LT1 Opti-Spark Distributor
Time: 2 hours Tools: A Visa card with a large credit line. Talent: (4) Applicable Years: 1992 to 1996 Tab: $500 to $1,000 Tip: Don’t ever let any water get in the area of the Opti-Spark if you detail your engine compartment. Complementary Work: This would be a good time to install new spark plug […]