Overview EcoTec3 Family Specifications Vehicle Applications Pictures The 4.3L ... the engines operate in four-cylinder mode for longer periods of time, further increasing efficiency. “GM ...

the Vortec 4.3 developed a reputation for reliability and modest power. Although it has since been replaced in the GM lineup, the Vortec 4300 lives on as a stock engine in thousands of small GM ...

An endangered species due to increasingly stringent fuel economy and emission regulations, the Chevy small-block V8 rolled out in 1964 with a displacement of 265 cubic inches in the C1 Corvette.

The hue and cry continue over the preponderance of LS engines in this magazine, and it has not gone unnoticed. So let's travel to a distant land; affect your best English accent and repeat after ...

Iron Duke In The Pontiac Fiero The underpowered and much maligned Iron Duke 4 ... Vortec engines due in part to Positive Crankcase Ventilation (PCV) system issues. Things got better with the ...

The popular small-block Chevy 350 has long been one of the most popular engine choices ... the 265 cubic-inch (4.3-liter) Turbo-Fire, the small block Chevy V8 and later GM iterations have ...

Then for test No. 4-3, Taylor had Todd McKenzie ... TFS that we were aching to try on this engine. The TFS heads share a 64cc chamber volume with the Vortec heads, so compression didn’t change ...

The LV1 is a 4.3-liter six-cylinder engine produced ... six quarts for the 4.3L V6 and eight quarts for the V8 engines. All engines use GM’s Dexos oil for increased fuel efficiency and longer ...