What Engine Will Fit In A Jeep XJ?

by | Last updated on January 24, 2024

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What will fit in a Jeep XJ? The XJ was released with two available engines; one being the

AMC 2.5L, carbureted four-cylinder with 105 hp

. This was AMC's newly designed and released engine, whereas they had used the GM 151 Iron Duke four-cylinder in previous Jeeps. The second engine was the Chevrolet 2.8L V6, also carbureted and rated at 115 hp.

What engines can you put in a Jeep Cherokee?

  • 3.6L Pentastar® V6 Engine. …
  • 5.7L HEMI® V8 Engine. …
  • 6.4L SRT® V8 Engine. …
  • Supercharged 6.2L V8 Engine.

What is needed to LS swap a Jeep XJ?

Are all Jeep 4.0 engines interchangeable?


No, not all the blocks are the same

either, some of the trans mounts I think may be different as well as engine mounts.

What does XJ in Jeep stand for?

J stands for Jeep and M is just a model number. # XJ: The

Jeep Cherokee built from 1984-2001

. # SJ or FSJ: A Fullsize Jeep Wagoneer or Cherokee built from 1963-1991. # J: A fullsize Jeep Gladiator pickup built from 1963-1987. # YJ: The Jeep Wrangler model built from 1987-1996.

Which engine is best for Jeep Cherokee?

The Jeep Cherokee's base V6 engine is sufficient for everyday driving, but the

turbocharged four-cylinder

delivers the best acceleration.

What engine can I put in a Jeep?

Engine Horsepower Torque 3.6L V6 Pentastar 285 hp 260 lb-ft 2.0L Turbo I4 “Hurricane” 270 hp 295 lb-ft 3.9L Cummins 4BT 105 hp 265 lb-ft 6.2L Hellcat 717 hp 656 lb-ft

What is a Gen 3 LS engine?

The Gen III engines were

the firstborn from the original LS1 in 1997 through 2002

. These engines used a 24x crankshaft trigger wheel and a cam sensor mounted at the rear of the camshaft. Roughly in 2003, GM upgraded the LS into its Gen IV configuration with a number of changes.

Is a Chevy 5.3 a LS engine?


The cheapest of the LS engine family is the 5.3L truck engine

since it came in most of the trucks and SUVs that Chevrolet has produced.

What year 4.0 jeep motor was best?

258ci cranks from the

1972 to 1980

model years are often considered the best to use in 4.0L stroker motors because they are stronger and smoother.

Will a Jeep Cherokee engine fit in a Wrangler?


The 4.0 engine in the Cherokee is the exact same engine as the one in the wrangler

.

What year did the Jeep 4.0 come out?

However, one thing all of us can agree on is the fact that the Jeep 4.0 engine is downright legendary. The 4.0 liter Jeep engine was used in Jeeps from

1987 to 2006

and it'll never be gone from our hearts. However, the origins of the Jeep inline 6 date back even further.

What year Jeep Cherokee should I avoid?

So which Jeep Grand Cherokee years should you avoid? As similar to any products you buy, you should avoid Jeep Grand Cherokee year models with lots of customer complaints, repair issues, and costly maintenance. As per data collected, the worst Grand Cherokees to purchase are models

2011, 2014, and 2015

.

Why the XJ is the best?

The XJ is

the perfect size for plenty of trails while still being able to fit four people comfortably

. The Cherokee just big enough for four doors and enough room to carry all your gear. It's also just small enough to be maneuverable on trails.

Is the XJ a real Jeep?


The Jeep Cherokee (XJ) is a compact sport utility vehicle manufactured and marketed across a single generation by Jeep in the United States from 1983 to 2001 — and globally through 2014

. It was available in two- or four-door, five passenger, front engine, rear- or four-wheel drive configurations.

Is the 4.0 inline 6 a good engine?


It's a strong and reliable engine

, however, the 4.0L straight-6 is also known for a lack of power. Regardless, the 4.0 is an excellent all around engine that many appreciate to this day. Good enough that Chrysler and Jeep kept it around for nearly 20 years.

Which Jeep engine is most reliable?

Again, many consider the

AMC 4.0 straight-6

as the most reliable Jeep engine.

How long do Jeep 4.0 engines last?


250K+ miles

before the 4.0L needs an overhaul is very common. It's a pretty bulletproof engine.

Can you put a V8 in a Jeep?

How much does it cost to LS swap a Jeep?

For a 500-hp fully tunable, complete swap kit—a DIY kit, mind you—you're looking at

damn near $23,000

. To have Bruiser or a similar facility do the conversion for you, obviously takes the price higher.

How much does it cost to put a V8 in a Jeep?

Sourcing a 5.7-liter Hemi V8 with the 545RFE transmission and buying a Wrangler V8 conversion kit will cost you

about $11,000

, according to WranglerForum.com. And that's if you're willing and able to perform the powertrain swap yourself, including ownership of all of the necessary tools and equipment.

What does LS stand for?

In a car engine, LS stands for

luxury sport

, meaning it is majorly used in high-end cars that offer great performance like the Chevrolet. In a Chevy, the LS engine is the main V8 mainly used in General Motors' line of rear-wheel-drive cars.

Which LS engine is best?

LS7: Best.

LS Engine. Ever. In a world with 650hp Camaro ZL1s, along with even more powerful Hellcats and Shelby Mustangs, it's easy to forget the influence and importance of the LS7-powered

Corvette Z06

. Before it, there were precious few production cars that boasted horsepower levels of 500 or greater.

Is a 5.3 A LS1 or ls2?

Gen III LS & Vortech Engines
5.3L


L33


Truck
5.7L LS1 F body/C5/GTO 5.7L LS6 C5 Z06/CTS-V 6.0L LQ4 Truck

How much HP can a 5.3 LS make?

Gen III 5.3L “Vortec” Stock Rated-Output (SAE J1349) Model Year Power (HP) Torque (LB-FT)
1999


270 hp

315 lb-ft
20002003 285 hp 325 lb-ft 20042007 295 hp 335 lb-ft

How much HP can a 5.3 handle?

If we were to run the 5.3L in stock trim, the resulting power output would be around

360 hp

(on this dyno, the way we test). If we apply 14.7 psi from our turbos to the stock 360hp motor, we might get 720 hp.

How much HP does a 5.7 LS have?

Performance Specifications Compression Ratio 10.2:1 Horsepower Rating

305-350 hp
Torque Rating 335-365 ft./lbs

What year Jeeps should you stay away from?

It needs to be emphasized that the

2007-2008 and 2012-2014

model year Wranglers should be avoided at all costs. This is due to their hefty repair costs, poorly designed interior, and underpowered engine.

How much horsepower does a 4.0 straight 6 have?

Chrysler's 4.0L Straight Six Engine

The 4.0L AMC inline six is known as one of Chrysler's best engines. Dating back to 1986, its torquey

190 hp

engine would commonly chug along for upwards of 300,000 miles.

What year Jeep Cherokee had problems?

Cherokees from

2014 and 2015

are the vehicle's worst years. These have many recalls and complaints, most regarding critical powertrain components. The best years for the Jeep Cherokee include those from 2018 and 2020. These have fewer problems and have the highest owner ratings.

Will a Grand Cherokee 4.0 fit in a Cherokee?

(

1991 to 1995 YJ and 1997-1999 4.0L TJ Wrangler blocks will interchange in XJ/ZJ and visa-versa

). TJ/WJ 4.0L Engine blocks underwent clean sheet design changes effective in the 1999 WJ Grand and 2000 TJ Wrangler. These blocks are not interchangeable with XJ/ZJ engine blocks.

Will a Cherokee transmission fit in a Wrangler?


Yes you can

, the NP231 is the same. You will also have to play around with the t-case linkage a bit to make it work, or just get the teraflex t-case shift linkage like I did, works great!

How do you remove a Jeep 4.0 engine?

Is the Jeep 4.2 a good motor?

Registered.

The 4.2 is a solid engine as well

and as you said at a less horse power than the 4.0. The number of miles the engine can get on it is based on proper service on both models. The major difference between the two is the 4.2 is carbureted and the 4.0 is fuel injected.

Is the Jeep 4.7 v8 a good engine?

All things considered, the 4.7L PowerTech/Magnum engine is

pretty reliable

. However, it's only getting older so many potential issues become fair game. Maintain your Chrysler 4.7 PowerTech well and it should reward you with sound reliability.

What years are the Jeep XJ to avoid?

Once you get past the 1996 XJ, the next ones to avoid are the models produced from

1984 to 1986

. Although the vehicle is okay to drive, you're stuck with a 2.5L four-cylinder engine. There isn't enough power there to manage off-roading activities, especially if you get the 2WD version that came in 1985.

David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.