Chrysler 4.7L V8 PowerTech Specs, Problems & Reliability

Chrysler 4.7L V8 PowerTech

Here in this post, I have gathered information about the Chrysler 4.7L V8 PowerTech from its official website, including its specifications, Problems, and Reliability.

We believe in providing reliable information to our readers, therefore we prefer to obtain information on the Chrysler 4.7L V8 PowerTech from authentic sources.

This article, which has been updated, has all the information you require about the Chrysler 4.7L V8 PowerTech.

The Chrysler 4.7L V8 PowerTech, a gasoline-powered eight-cylinder engine, debuted in the 1999 Jeep Grand Cherokee and later (between 2000 and 2002) in Dodge vehicles (Ram, Dakota, and Durango).

With the goal of replacing the 4.0-litre inline-six engine created by AMC and the 316 V8s of Chrysler’s LA family, the first PowerTech family member, the 4.7-litre V8, was created.

The new 4.7-litre V8 in Dodge vehicles was first referred to as the “4.7L Magnum engine,” although it has no relation to the 5.2L Magnum that was used previously.

In 2002, a 3.7-litre V6 variant of the PowerTech family was introduced; it shared a lot of visual cues with the V8 model.

Chrysler 4.7L V8 PowerTech

Engine Specifications

Engine modelChrysler PowerTech 4.7L (Dodge 4.7L Magnum)
LayoutFour-stroke, V8
Fuel typeGasoline (petrol)
Displacement4.7 L, 4,701 cc (287.0 cu in)
Fuel systemSequential Multiport Fuel Injection
Power adderNone
Power output238 PS (175 kW; 235 HP) at 4,800 rpm
High-Output: 269 PS (198 KW; 265 HP) at 4,800 rpm
Torque output400 N·m (40.8 kg·m, 294.8 ft·lb) at 3,200 rpm
High-Output: 447 Nm (45.59 kg·m; 329.89 ft·lb) at 3,200 rpm
Firing order1-8-4-3-6-5-7-2
Dimensions (L x W x H):

Cylinder head

Blockhead alloyAluminium
Valve Arrangement:SOHC, chain drive
Head surface flatness
Valves:16 (2 valves per cylinder)
Intake valve timing243.5°
Exhaust valve timing:253.7°
Valve head diameter:48.520-48.780 mm (1.9102-1.9205 in)
36.870-37.130 mm (1.4516-1.4618 in)
Valve length:113.450-114.210 mm (4.4665-4.4964 in)
114.920-115.68 mm (4.5244-4.5543 in)
Valve stem diameter:6.931-6.957 mm (0.2729-0.2739 in)
6.902-6.928 mm (0.2717-0.2728 in)
Valve spring free length:49.000 mm (1.9291 in)
49.000 mm (1.9291 in)

Maintenance Data

Oil system

Recommended engine oilSAE: SAE 5W-30 (SAE 5W-20 after 2007)
Oil type APIAPI: Diamler-Chrysler Mopar or equivalent
Engine oil capacity (Refill capacity)5.6 L (5.9 US. qt, 4.9 Imp. qt.)
Oil pressureIdle speed: 45 kPA, (7 psi)
3,000 rpm 240-725 kPA, (35-105 psi)

Ignition system

Spark plugNGK ZFR6F-11G
Spark plug gap1.1 mm (0.043 in)
Spark plug tightening torque27 N·m (2.8 kg·m, 19.9 ft·lb)

Chrysler 4.7L V8 PowerTech Problems & Reliability

Owner feedback on the engine was generally negative.

Technophiles point out that despite moving the camshafts to the cylinder heads, the new engine is still too conservative to provide any noticeable gains.

In contrast, the original Magnum V8 had a stellar reputation for being a rock-solid workhorse despite its modest design. Modern HEMI V8s have also grown in popularity among high-performance enthusiasts.

The reality, though, is that the 4.7L V8 PowerTech is a solid engine that will last for a long time.

A solid cast-iron block and bedplate, few electronic components, and accurate timing chains all contribute to its reliability.

When the 4.7L PowerTech’s hydraulic lash adjusters first failed, the rocker arms could kick out of their proper settings and cause serious damage. 

Chrysler 4.7L V8 PowerTech Review  

The Chrysler 4.7L PowerTech engine was a durable and reliable engine used in many Chrysler, Dodge, and Jeep vehicles between 1999 and 2013. The engine was popular for SUVs and pickup trucks because of its towing and pulling capabilities. For a full review, please check this YouTube video Here.

Chrysler 4.7L V8 PowerTech FAQ

Is the Chrysler 4.7 a good engine?

Does anyone know how long the 4.7 V8 engine lasts? The Dodge 4.7L V8 is a solid option among Dodge motors, although a dull one.

They’re built to endure far beyond 150,000 miles; however, they can become picky if you neglect routine maintenance.

Did Dodge make a 4.7 V8?

The Jeep Liberty’s 3.7-litre V6 engine made its debut in 2002, following the Grand Cherokee’s 4.7-litre V8.

Dodge Ram and the 2000 Dodge Durango were among the first vehicles to use the new PowerTech V6 and V8 engines, which replaced the LA series of engines used by Chrysler in the early 2000s.

What car has a forged 4.7 L V8?

From the 1965 Ford Mustang Coupé comes the Forged 4.7L V8 with 585 horsepower.

Is a 4.7 V8 a small block?

Ford created their 4.7-litre V8 as a small block unit to serve as an entry-level V8 for all of their vehicles.

This was the sweet spot for the Mustang. It was compact in size, light in weight, and boasted a healthy 210 horsepower upon its debut.

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