Fuel Guide Diesel, Petrol, Race fuel, Ethanol & blends of E85 E10 E5 E15

What do octanes and E numbers mean?

With all the fuels grades and ratings around it can be a challenge to get the best fuel for your engine.

Industry insiders explain the fuels in our guides and articles and help you to make an informed decision when selecting fuel.

We explore the many different types of fuel and grades on the market, suggestions advantages and disadvantages for each, and where possible we outline options to convert engines to run on them.

We include Octane and Cetane explanations and what the E numbers mean and if they can harm your engine.

We also discuss Methanol and Nitromethane fuels and look at race fuels.

Why Diesels Are More Economical

A look at the reasons why a diesel engine is more economical than a gasoline engine and explanation of the differences between these two combustion processes.


Hypermiling

Follow our Hypermiling techniques to save substantial amounts of fuel, we look at driving techniques, car care and some mods that can all improve your fuel consumption, saving you a massive 20-50% of your fuel usage!


Tracking your MPG

We look at why drivers should regularly calculate their MPG and the benefits that come from tracking your cars fuel economy over a few tank fulls of fuel. See our tips on MPG calculating and why it matters in this article.


Fuel Guide

We look at race fuels, street fuels, discuss lead, 2 stroke fuel and everything in between. If there is something you need to know about fuel and which one would be best for you then it’s in this article.




Please watch this video on our new YouTube channel.

Member Benefits

Join our forum today and benefit from over 300,000 posts on tuning styling and friendly car banter.

You will also have full access to the modifed car gallery, project car updates and exclusive member only areas.

(All car owners of all ages and from all countries are welcome).


BMW 335i - 2021 COTY

We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide

Tips for N54 Tuning

Tips for N55 Tuning
Tips for B58 Tuning

Popular articles

Diesel tuning
ECU remapping
double de clutch
Induction Kits
Customize a car
Chipping cars
Modified Car insurance
Track day insurance
Remap Diesels
MPG Calculator
DPF cleaning
Stage 1-3 Tuning


Engine Mods

Engine tuning mods for various engine types
Read more...

Engine Cooling

Guide to Essential Engine Cooling Mods
Read more...

Gearboxes

Low ratio sport gearbox setup and selection.
Read more...

Fuel And Additives

Fuel and fuel additives octane and pressure boost valves.
Read more...

Sports Exhausts

High performance sports exhausts systems.
Read more...

Car Interiors

Car interior makeover ideas
Read more...

Debadged Grills

How to create a debadged Grill
Read more...

Stretched Tyres

Stretched tires legal & safe?
Read more...

Steering Wheels

Aftermarket steering wheels
Read more...

MPG Calculator

MPG calculator UK miles per Gallon - calculate MPG and save fuel
Read more...