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. 151 Pontiac Iron Duke Inline Four Parts Free Shipping ... Shop 151 Pontiac Iron Duke Inline Four parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. 151 Pontiac Iron Duke Inline Four parts in stock with same day shipping. GM Parts Center | The Iron Duke GM's Worst Engine Ever ... The Iron Duke was GM's way of playing it safe, and in 1993 they said goodbye to their clunky cast iron engine. For all its follies, we do have the Iron Duke to thank for paving the way for better engines. The Chevrolet developed 122 engine was its successor and was in production until 2003. And the 122's successor was the EcoTec engine, which ... GM 2.5 Iron Duke Specifications | It Still Runs GM 2.5 Iron Duke Specifications by Alan Edwards . ... the engine of choice was the Iron Duke, a four cylinder inline engine with an iron block and head. ... (SOHC). Pushrods move the valves. The 2.5 L has a short stroke crankshaft that runs in five main bearings. The bore is 4 inches and the stroke is 3 inches. Engine Performance. Iron Duke ??? The DIRT Forum I"ve been running one for two years with no problems, i"m in the top 5 unless a crash happens.I ran a 2.5 iron duke for 2 seasons before this motor when a bad cam ended that. the ironduke's crank is not fully counterweighted, I have heard from several racers that it is considered a pretzel when a load is put on it. the 181 isn't as hard to find ... Iron Duke Harmonic Balancers... | S 10 Forum I have a 1989 iron duke and I had it running alright on an 92 ecm and I swapped back in the computer that came with the motor but it would start and not run for more than a second or so, I do not have a cat on and was wondering if you had any ideas on it, if it was timing or just needing a cat... 2.5l myths and differences. | S 10 Forum Sorry I didn't take take any pics of my duke crank when I had it out, but here is a pic of my 3.625 (181) SD crank. uh no it's not for sale This is the business end. If you can find a 1 pc seal marine crank on ebay or somewhere note how much of the end of the crank would have to be cut back. Riding with the Iron Duke Engine Builder Magazine • One of the first all metric fastener engines from GM. • Throttle Body Injection By 1988, the Iron Duke had a roller camshaft, balance shaft and even a distributorless ignition system. Other improvements over the years included new pistons, rods, crankshaft and an in pan oiling system. GM Iron Duke engine Chevy Wiki The Iron Duke (also called the 2500, 151, Pontiac 2.5, Cross Flow, and Tech IV, though the decal on the air filter assemblies actually reads "4 Tech") was a 2.5 L (151 cu in) I4 piston engine. All Iron Dukes were built by Pontiac beginning in 1977 and ending in 1993. Pontiac 2.5 Engine Build Information crank as it is slightly beefier and it will fit the earlier blocks. The Super Duty crank is forged 4340 and weighs 50 lbs. SCAT offers a crank for $1,800. Fisher and Fluidamper sell high performance balancers for the Iron Duke Tech IV. Pontiac 2.5L Iron Duke Intake Options Stock intakes are restrictive. The GM Super Duty aluminum intake is built by Talk:Iron Duke engine The Iron Duke, was a revamped version of the Chevrolet 152, which was in the early Chevy II (Nova). The 308 was not in production for very long, and I do not believe that parts are available for the 308 due to the time elapsed and it's rarity. Replacing the 80 HP 2.5L Iron Duke with a 140 HP 3.0L ... Chevy continued to make the Iron Duke until 1993 with the new bellhousing pattern. They sold the rights and tooling to AMC for the 1979 casting. AMC continued to make the 1979 GM Iron Duke through mid year 1983 when it got replaced by the AMC 150 four cylinder engine.

gm iron duke crankshaft Gallery


4 5 liter cadillac engine

4 5 liter cadillac engine

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