Gm Iron Duke Engine Diagram

During the engines 14 year production run it was used by every gm division except cadillac.

Gm iron duke engine diagram. Although its original purpose was to serve as pontiacs new economy car engine it was later adapted. It is entirely different from the iron duke and was the last north american iteration of the gm 122 engine. Output is 120 hp 89 kw at 5000 rpm and 140 lbft 190 nm at 3600 rpm. The iron duke would see itself in a slew of gms vehicles during its production run from 1977 to 1993 including pontiac sunbirds chevy blazers gmc safaris buick centurys and most notably the camaro.

Compared to the vega engine this was a step back to an iron block and push rods. The engine is manufactured by gm and uses a cast iron block and cylinder head with hydraulic lifters and 5 main bearings. Hardcore garage 1894 views. Static is life duration.

Even the united stated postal service installed the engine in its grumman llv delivery vehicles. The iron duke was a 4 cylinder cast iron pushrod engine born from oil shortages and government standards that demanded cleaner vehicles. Thereafter gms 22 l ohv 4 cylinder replaced it across the entire lineup of vehicles that offered it. Unfortunately the iron duke pontiac engine is not the same as the early chevy ii engine.

The iron duke engine also called 151 2500 pontiac 25 and tech iv is a 151 cu in 25 l straight 4 piston engine built by the pontiac motor division of general motors from 1977 to 1993. 151 pontiac iron duke inline four parts in stock with same day shipping. The 151 is often called the iron duke but is actually a pontiac engine designed to replace the chevy iron duke i4 engine. Head bolt patterns are not the same but the crank can be used in the late model engine if you make a seal adaptor.

How to repair a marine engine with a cracked block. American motors company while developing their own four cylinder engine used the iron duke in the concordspirit eagle and jeep brands. The engine does have the chevy bell housing bolt pattern though. This engine is equipped with secondary air injection and is flex fuel capable.

25 iron duke 5 speed. The aftermarket parts from pontiac were great but the production engine was a little light in many places. Shop 151 pontiac iron duke inline four parts and get free shipping on orders over 99 at speedway motors the racing and rodding specialists. But the iron duke was designed to last a long time and give american drivers the low end torque they expected.

Gm 25l iron duke valve adjustment briansmobile1. Giving my dad a 1990 chevy s10 mini truck.