Buyer's guides

BC Racing BR vs Extreme Low Coilovers: Differences

BC Racing BR Series vs Extreme Low coilovers: shorter bodies and springs, shared monotube… · Reviewed Oct 19, 2026

Clutch Break-In Procedure: How to Bed In a New Clutch

Clutch break-in: general steps, ACT clutch break-in, why disc type matters, flywheel preparation, and… · Reviewed Oct 18, 2026

How to Remove an Inboard Prop (With or Without a Puller)

How to remove an inboard propeller safely with a puller, why to avoid hammering,… · Reviewed Oct 18, 2026

MDS vs Non-MDS 5.7 Hemi: Differences and Lifters

MDS vs non-MDS 5.7 Hemi: how cylinder deactivation works, lifter and solenoid differences, which… · Reviewed Oct 17, 2026

Trolling Motor for a Bass Boat: Thrust, Shaft and Models

Choosing a trolling motor for a bass boat: models whose listings suit bass boats,… · Reviewed Oct 17, 2026

Trolling Motor for a Center Console: Shaft, Thrust, Salt

Choosing a trolling motor for a center console: models whose listings suit center consoles,… · Reviewed Oct 16, 2026

Outboard for a Sailboat: Shaft Length, HP and Models

Choosing an outboard for a sailboat: long and extra-long shafts, horsepower, weight and thrust,… · Reviewed Oct 16, 2026

Outboard Motor for a Canoe: HP, Mounting and Models

Choosing an outboard for a canoe: how much horsepower, square-stern vs side-mount, shaft length,… · Reviewed Oct 16, 2026

LiFePO4 vs Lithium-Ion: Safety, Life and Charging

LiFePO4 vs lithium-ion (NMC): cell voltage, energy density, thermal stability and cycle life compared,… · Reviewed Oct 16, 2026

Lithium Batteries in Cold Weather: Charging Below Freezing

Lithium batteries in cold weather: why not to charge below freezing, how the BMS… · Reviewed Oct 16, 2026

LS Swap Guide: What Is an LS Swap and What It Involves

What is an LS swap? Why 5.3 and 6.0 truck engines are popular LS… · Reviewed Oct 15, 2026

3 Blade vs 4 Blade Prop: Which Is Right for Your Boat?

3 blade vs 4 blade prop: how blade count changes top speed, hole shot,… · Reviewed Oct 15, 2026

Transmission Fluid Leak: Causes, Signs and Fixes

How to tell if a leak is transmission fluid, the most common causes from… · Reviewed Oct 15, 2026

What Size Trolling Motor Do I Need? Thrust, Voltage and Shaft Length

Work out trolling motor thrust from your boat weight, choose 12, 24 or 36… · Reviewed Oct 12, 2026

4L60E vs 4L65E vs 4L80E: Differences Explained

How the GM 4L60E, 4L65E and 4L80E automatic transmissions differ in strength, gear ratios… · Reviewed Oct 12, 2026

Boat Propeller Pitch and Sizing Explained

What propeller diameter and pitch mean, how pitch changes engine RPM, and how to… · Reviewed Oct 12, 2026

Short Block vs Long Block: What’s the Difference?

What a short block and a long block include, and how to choose between… · Reviewed Oct 12, 2026

Trolling Motor Batteries: 12V, 24V, 36V and Lithium

How many batteries a 12, 24 or 36-volt trolling motor needs, how to wire… · Reviewed Oct 12, 2026

Minn Kota Terrova vs Ultrex vs Ulterra

How Minn Kota's Terrova, Ultrex and Ulterra bow-mount trolling motors differ in steering, stowing… · Reviewed Oct 12, 2026

What Transmission Do I Have? GM, Ford and Ram Identification

How to find your transmission code from GM RPO codes, Ford door-jamb labels, your… · Reviewed Oct 12, 2026

Bad Torque Converter Symptoms (and What a Torque Converter Does)

What a torque converter does, the warning signs of a failing one, and when… · Reviewed Oct 12, 2026

Transmission Replacement Cost: Prices by Transmission Code

What decides the cost to replace a transmission, with our replacement transmission prices for… · Reviewed Oct 12, 2026

Transmission Slipping: Signs, Causes and Low-Fluid Warning Signs

How to recognize a slipping transmission and low transmission fluid, the common causes, and… · Reviewed Oct 12, 2026

Engine Replacement Cost: Short Block, Long Block or Complete Engine

What decides the cost of a replacement engine, with our prices for Hemi, Vortec,… · Reviewed Oct 12, 2026

4L80E vs TH400: Differences Between GM’s Heavy-Duty Automatics

4L80E vs TH400 compared: gear ratios, overdrive, lockup converter and electronic vs hydraulic control,… · Reviewed Oct 12, 2026

EJ255 vs EJ257: Subaru’s 2.5L Turbo Engines Compared

EJ255 vs EJ257: which Subaru models use each turbocharged 2.5-liter boxer engine, how they… · Reviewed Oct 12, 2026

FA20 vs FA24: Subaru’s 2.0L and 2.4L Boxer Engines

FA20 vs FA24: how Subaru's 2.0-liter and 2.4-liter FA boxer engines differ, which BRZ,… · Reviewed Oct 12, 2026

What Is a Stall Converter? Torque Converter Stall Speed

What is a stall converter? Learn what torque converter stall speed means, why higher… · Reviewed Oct 12, 2026

Resonator vs Muffler: Differences, Sound and Drone

The difference between a resonator and a muffler, how each changes exhaust sound and… · Reviewed Oct 12, 2026

Minn Kota Fortrex vs Terrova: Cable Steer or GPS?

Minn Kota Fortrex vs Terrova: cable-steer foot pedal vs GPS-guided electric steer, Spot-Lock, rough… · Reviewed Oct 12, 2026

How Long Do Lithium Batteries Last? Marine LiFePO4 Guide

How long lithium (LiFePO4) marine batteries last in cycles and years, what shortens or… · Reviewed Oct 7, 2026

47RE vs 48RE: Dodge Ram Cummins Transmissions Compared

47RE vs 48RE: two four-speed overdrive automatics behind the 5.9L Cummins in Ram 2500/3500… · Reviewed Oct 7, 2026

8L90 Problems: Shudder, Harsh Shifts and Fixes

Common 8L90 transmission problems, from torque converter shudder to harsh and delayed shifts, what… · Reviewed Oct 7, 2026

E4OD vs 4R100: Ford Heavy-Duty Automatics Compared

E4OD vs 4R100: Ford's heavy-duty four-speed overdrive automatics for F-250/F-350 trucks and vans. Which… · Reviewed Oct 7, 2026

How Long Do Transmissions Last? Mileage, Signs and Care

How long does a transmission last? There is no single number. See the commonly… · Reviewed Oct 7, 2026

How to Winterize a Boat and Outboard Motor

How to winterize a boat and its outboard motor step by step: fuel stabilizer,… · Reviewed Oct 7, 2026

Stainless Steel vs Aluminum Prop (Plus Bronze and Nibral)

Stainless steel vs aluminum prop compared, plus bronze and nibral: strength, flex, cost and… · Reviewed Oct 7, 2026

What Size Outboard Do I Need for My Boat?

How to choose outboard horsepower from your capacity plate, typical sizes for 12, 14,… · Reviewed Oct 7, 2026

How to Charge Trolling Motor Batteries (12V, 24V and 36V)

How to charge trolling motor batteries with an onboard charger, on 24V and 36V… · Reviewed Oct 7, 2026

5R110W Problems: Torque Converter, Reverse and Heat

Common 5R110W TorqShift transmission problems in Super Duty trucks: torque converter shudder and lockup,… · Reviewed Oct 7, 2026

Lithium vs Lead-Acid Trolling Motor Battery: Worth It?

Lithium vs lead-acid trolling motor batteries compared on usable capacity, weight, voltage, cycle life,… · Reviewed Oct 7, 2026

What Is Spot-Lock on a Trolling Motor? How It Works

What Minn Kota Spot-Lock does, how GPS anchoring holds a boat in place, what… · Reviewed Oct 7, 2026

Bow Mount vs Transom Mount Trolling Motor: Which to Choose

Bow mount vs transom mount trolling motors compared on control, features, boats and cost,… · Reviewed Oct 7, 2026

6L80 vs 6L90: Differences, Gear Ratios and Swaps

How GM's 6L80 and heavy-duty 6L90 six-speed transmissions compare: shared gear ratios, torque capacity,… · Reviewed Oct 7, 2026

47RE Problems: Shifting, Lockup and Overdrive Issues

Common 47RE transmission problems behind the 5.9 Cummins: throttle valve cable adjustment, governor pressure,… · Reviewed Oct 7, 2026

Outboard Kill Switch: How It Works, Rules and Testing

Outboard kill switch and lanyard: how the engine cut-off switch works, the federal rule,… · Reviewed Oct 7, 2026

Deep Cycle vs Starting Battery: Boats, Trolling and Winches

The difference between deep cycle and starting batteries, which to use for a boat,… · Reviewed Oct 7, 2026

Marine Battery vs Car Battery: Differences and Uses

How a marine battery differs from a car battery, whether you can use a… · Reviewed Oct 7, 2026