Engine modification guide

“Every engine mod, explained, reviewed and rated.”

Everything you could ever need to know about engine mods and upgrades for a fast road car, or competition setup.

Secrets from industry insiders, to commonly held myths and misconceptions and potential tuning problems.

Don’t even think of upgrading your car until you’ve read our insider guides and tips.

From a mild stage 1 tune up to a high power stage 3 we list, review and rate every popular mod.

We outline each modification option and go into the benefits and weigh up the pros and cons of each.

Stroker engines

An in depth look at stroked engines, examining what a stroker kit is and the benefits and drawbacks of changing your engines stroke in terms of power and performance and what this does to the engines torque.

Do stroked engines make more power and how do you choose a stroker kit.


Misfires and problems after tuning

When an engine is tuned or mapped you may get misfires flatspots or other problems. We look at the causes of these issues and how to diagnose a fault after remapping.


How to add a turbo to a non turbo car.

Adding a turbo or supercharger is a fairly complex modification so we’ll cover the basics of adding a turbo upgrade in this article.

In computer games we just tick a box, and within seconds our car is fully turbocharged and running much faster. In the real world things are very different.


Twin scroll turbos

We look at the advantages of twin scroll turbos, discuss how they work and how to set them up. People have used twin turbos in the past to address many of the problems you hit with a single turbo and the twin scroll turbo offers a neat drop in upgrade and provides many advantages.



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).


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