Engines & Fuel Systems


DISCLAIMER: Activities and vehicle modifications appearing or described at The Ranger Station and it’s pages may be potentially dangerous. We do not endorse any such activity for others or recommend it to any particular person – we simply describe the experiences and opinions of other Ranger/Bronco II owners. If you choose to engage in these activities it is by your own free will and at your own risk. Any and all modifications will likely cause a vehicle to behave differently than stock. Some modifications may significantly increase your risk when driving the vehicle or be dangerous in some driving situations. Use good judgment when engaging in any activity or making any modifications. Do not take unwise risks. Consult a certified professional if you are not sure of something. The Ranger Station and the authors of these articles assume no liability for how any particular individual chooses to use the information presented here. Some of these modifications may void your vehicles warranty. Please also read our Legal notice HERE.

Desktop Site:

Check out the desktop version of our Tech Library for a full site version of our articles.

Stock Specifications:

If you’re looking for stock specifications, or trying to figure out what your Ford Ranger came with, CLICK HERE.


Ford Ranger Engine Tips

Kunz Korner 2.9 Performance Tips

Engine Rebuild / Swaps

Basic Engine Troubleshooting

4-Cylinder Timing Belt Replacement

3.0L Rebuild

3.8L Swaps

4.0L Rebuild

4.0L Conversion FAQ’s

4.0 Swap #1

4.0 Swap #2

4.0 Conversion Wiring (From Explorer to Bronco II)

4.0L Conversion (1994 Explorer to 1989 Bronco II)

Wiring a 4.0L to a 1983-1988 Dash 

2002 EcoBoost Swap In To A Ford Ranger 

4.6L Modular Engine

Explorer 5.0L Swap In To 1998-2011 Ford Ranger

1986 2.9L To 5.0L Engine Wiring

Install a 1996 Explorer 5.0L into a 1995-1997 Ranger

Explorer 5.0 Swap In A 2000 Ford Ranger

Install – 2000 Ford Explorer 5.0 Into 1998 Ford Ranger

V8 Swaps: 1983-1997 Ford Ranger (and all Bronco II’s)

Advance Adapters Engine Swap Information

Oil & Oil / Fuel Filters:

4-Cylinder Oil Filter Upgrade

Aftermarket Oil Sender & Gauge

Change Your Fuel Filter

Oil Filter Upgrade

Vacuum & Exhaust

Ford Vacuum Line Abbreviations & Descriptions

Dealing With Engine Vacuum

Vacuum Hose Diagrams

Ford Ranger Exhaust Guide

Help With California Emissions

Turbos / Superchargers / Nitrous

2.3 Turbo Swap

2.3 Turbo Install

2.3L Turbo Motor Swap Wiring Diagrams

Nitrous Oxide – How It Works

Nitrous On A Daily Driver


Idler & Tensioner Pulley Replacement

Front Engine Accessory Drive 

Miles Per Gallon Calculator

Carbs & Fuel Injection

Ford Fuel Injection Book (.pdf)

How Fuel Injection Works

Disconnecting Fuel Lines With Disconnect Tool

EFI For Early Ford V-8’s

5.0 EFI Wiring Harness

5.0L Throttle Body to 2.9L Intake

Fuel Injection For 2.8’s

2.8L Chevy TBI on Ford 2.8L

Throttle Cable Mod

Throttle Position Sensor Test

Fuel Inertia Switch

Motorcraft 2150/2100 Carb Rebuild


2.9 MAF Conversion

Cleaning The MAF

2.3 Ram Air

2.9 K&N Filter Set-Up

3.0 Custom Intake

3.8 MAF on 4.0

4.0 Loose Intake Bolts

4.0 Ram Air

4.0 OHV Gasket (valve cover, fuel rail, intake) Replacement

ARB Snorkel (crbnunit’s Ranger)

Safari Snorkel (Mountain Mike) 

Safari Snorkel (–Nathan–)

Homemade Explorer 4.0 Snorkel

Make Your Own Snorkel

Cowl Induction Snorkel

PVC Snorkel For Gen I & II

Carburetor Snorkel

Modified Air Filter Adapter

Plenum Spacers

Cylinder Heads

Ford 2.8L Valve Seal Replacement

Ford 2.9L Cylinder Head Replacement

Cylinder Head Porting


Ford Camshaft Position Sensor (CMP)

3.0L Camshaft Position Sensor – Synchronizer

4.0L Camshaft Position Sensor – Synchronizer