Do You Need an Oil Catch Can? How They Work and How to Fit One

The Partsman

What an oil catch can does, why turbo and modern engines benefit, baffled vs basic, and a simple guide to plumbing one in.

Braided vs PTFE vs Push-Lock Hose: Which Should You Use?

The Partsman

The differences between rubber braided, PTFE/Teflon and push-lock hose, what each is best for, and how to avoid the classic E85 mistake.

What Size Fuel Line Do You Need? Fuel Line Sizing by Horsepower

The Partsman

A simple guide to choosing fuel line size (AN) for your power goal - feed vs return, E85, and common -6/-8/-10 setups.

AN Fitting Sizes Explained: The Complete NZ Guide (With Chart)

The Partsman

What AN sizes actually mean, a -3 to -20 size chart, thread types, and how to pick the right AN fitting for fuel, oil and cooling lines.