What is a 2.5 Iron Duke engine?
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 to 1993. Thereafter GM’s 2.2 L OHV 4-cylinder replaced it across the entire lineup of vehicles that offered it.
How much horsepower does a 2.5 Iron Duke have?
The Iron Duke, also known as the Pontiac 2.5, has a displacement of 2.5 liters or 151 cubic inches. The engine produced between 85 and 110 horsepower and 123 to 135 lb-ft of torque. Dry weight was a mere 375 pounds.
What vehicles had the 2.5 Iron Duke?
Dubbed the ‘Iron Duke’ as part of a marketing effort to differentiate the 2.5L motor from the (very) unsuccessful 2.3L Vega unit, Pontiac installed the engine in its largely forgotten trio of the Sunbird, the Ventura, and the Astre in 1977.
Is the GM 2.5 a good engine?
That 2.5L engine in the 2nd generation trucks has been the most reliable of all engines so far on this forum. As long as you are not wanting to use it for a tow vehicle, you are good to go.
How much horsepower does a 2.5 liter engine have?
The 2.5L is expected to deliver an estimated 190 horsepower (140 kW) and 180 lb. -ft. of torque (250 Nm) – about 12 percent more horsepower and 16 percent more torque than the current Ecotec 2.4L, while offering estimated highway fuel economy of more than 30 mpg (final fuel economy numbers are pending).
What does Iron Duke mean?
Definitions of Iron Duke. British general and statesman; he defeated Napoleon at Waterloo; subsequently served as Prime Minister (1769-1852) synonyms: Arthur Wellesley, Duke of Wellington, First Duke of Wellington, Wellington. example of: full general, general. a general officer of the highest rank.
How much power can an Iron Duke handle?
Yea, 130 is about the max you can take it safely.
Is the Iron Duke engine reliable?
Over its lifetime, the Iron Duke produced as little as 87 horsepower (Pontiac Astre, for one) and as much as 92 horsepower (Pontiac Fiero). Though largely unloved, the Iron Duke was mostly regarded as reliable, and did indeed return solid fuel-economy numbers.
How many horsepower is a 2.5 L engine?
Is a 2.5-liter engine good?
A modern Subaru 2.5L engine should have no problem lasting over 200,000 miles as long as you take care of it. There are plenty of 2.5L engines that have lasted over 300,000 miles as well when owners have done the regular maintenance on them such as oil changes, spark plug changes, and coolant changes.
What is a 2.5 motor?
Numbers like 2.5 and 3.6 refer to the vehicle’s engine size, specifically the volume of air it displaces based on the number of cylinders the engine has. Every gasoline engine has pistons that move up and down a cylinder; each time a piston goes down the cylinder, it sucks in air as part of the combustion process.
How many cylinders is a 2.5 engine?
New 2.5-liter Direct-injection, Inline 4-cylinder Gasoline Engine.