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The main goal of this part is to provide a general overview of 5.7 HEMI upgrades. Minor modifications have been made to some models, such as Dodge Ram 1500 and Charger, which offer different horsepower output

For more information on the specific updates, check out the abovementioned common issues article. The addition of variable cam timing and a stronger flowing cylinder head are just two changes that help boost power and performance. The 5.7L V8 engine has gotten a number of improvements throughout the years, with the most significant change happening in the 2014 model year. We published a guide on 5.7L HEMI V8 common engine problems, as well as discussing these upgrades in further detail. Many of the modifications are designed to keep up with tightening emission rules and ensure competitive performance and power. The 5.7 HEMI engine, being an 18-year-old diesel engine, has seen its share of updates. Pedal Commander – PC31 for Dodge RAM pickupĭodge 5.7 HEMI RAM 1500 ​Updates and Change.DiabloSport 7302 Predator P2 Performance Tuner.Gibson Performance Exhaust GP311S-C – Gibson Headers.aFe 54-72102 Momentum GT Cold Air Intake.Magnaflow 17069 Cat Back Exhaust Systems.Flowmaster 717860 Cat-back Exhaust System.Fitting varies somewhat, but the ideas and modifications we discuss are relevant to all.Ĭheck out the list of Best Performance Upgrades for 5.7 HEMI RAM 1500: The 5.7L HEMI engine in all models – including the 345 HEMI – is referred to as the 445 HEMI in this piece. We might also be more precise with Ram 1500 as an example. Ram, Dodge, Chrysler, and so on are just a few examples of headings or titles we may use. In this article, we’ll go through the best 5.7 HEMI upgrades, improvements in horsepower and torque, price, performance, and more A few minor modifications can take the 5.7 V8 to new heights. The 345 HEMI, on the other hand, leaves a lot to be desired. Its enormous displacement offers decent power from the factory. I do have pics of the old intake if anyone is interested I can post them.The Dodge 5.7 HEMI is a popular engine in Dodge and Chrysler performance vehicles, as well as Ram trucks. Any ideas of what may have caused this to happen? Would a excessive usage of starting fluid cause something like this? If I wouldn't know better then I would think that this was caused by a nitrous backfire, but that highly unlikely considering this is a farm truck. I am putting this truck back together tomorrow and I don't really want the same thing to happen to the new intake manifold. It would run with the intake blown apart. Is there any issues with the intakes on these engines? Is there something that I am over looking? Could it be that the engine jumped time? ON a side note I did drive the truck into the shop. I do have the same good compression on the #1 cylinder that I do on the other cylinders. The only other thing that I found was the spark plugs on the #1 cylinder were bent flat, as if something had pinched between them and the piston. I turned the engine over by hand everything moves the way it should. My concern is what caused this to happen? I pulled the valve covers off, all the valve springs are intact.

Then the bottom half was also split in two pieces. The seam that goes around the side was blown apart. And when I pulled it off the engine I found that not only was it broken, but that it had actually blown the the intake into three separate pieces. Upon inpection of the truck I found that the Intake manifold was broken. The truck came in with a customer complaint of not running right, hard brake pedal, and inoperative 4x4. We currently have a 5.7 Hemi in our shop. I am a auto tech for a independent garage in Ohio.