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However, once water boils, it is an insulator, leading to a sudden loss of cooling where steam bubbles form. Steam may return to water as it mixes with other coolant, so an engine temperature gauge can indicate an acceptable temperature even though local temperatures are high enough that damage is being done. An engine needs different temperatures.
The Iron Duke engine (also called 151, 2500, Pontiac 2.5, and Tech IV) is a 151 cu in (2.5 L) straight-4 piston engine built by the Pontiac Motor Division of General Motors from 1977 until 1993. Originally developed as Pontiac's new economy car engine, it was used in a wide variety of vehicles across GM's lineup in the 1980s as well as supplied ...
The 1981 301 Turbo gained the electronic controls with an O 2 sensor, feedback ECM and E4ME Quadrajet providing a slight reduction in output to 205 hp (153 kW) and 340 lb⋅ft (461 N⋅m).The 301 Turbo was limited to Trans Am and Formula Firebird production only. 301:Naturally Aspirated 1977-1981 Pontiac Bonneville; 1977-1981 Pontiac Catalina
The Pontiac Sunfire went through two facelifts in its 11-year run: a small redesign in 2000 featuring the heavy plastic cladding look that was prevalent with Pontiac at the time, and a more streamlined update in 2003. In the US, the coupe was the only model available from 2003 to 2005.
An exhaust gas temperature gauge (EGT gauge or EGT sensor) is a meter used to monitor the exhaust gas temperature of an internal combustion engine in conjunction with a thermocouple-type pyrometer. EGT gauges are found in certain cars and aeroplanes. By monitoring EGT, the driver or pilot can get an idea of the vehicle's air-fuel ratio (AFR).
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The Pontiac 301 Turbo is an engine that Pontiac produced for the 1980 and 1981 Trans Am.It was a V8 engine with a displacement of 301 cubic inch which produced an officially factory rated 210 hp (157 kW) and 345 lb⋅ft (468 N⋅m) of torque in 1980.