The Engine Rebuilder Issue 04 - Spring 2026 | Page 4

06 News
10 Products
14 Federation of Engine Re-Manufacturers
18 Iconic engine: Rover V8
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44 Dream workshop: Historic Competition Services
52 How do you solve a problem like … intake carbon buildup
58 If you ain’ t cheating, you ain’ t trying … WRC Toyota Celica GT-Four restrictor

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06 News

Big diesel V12s and iconic DTM cars return to the Nürburgring, there’ s always diversity in the world of engines

10 Products

Our favourite selection of workwear, tools, oil and uprated aftermarket parts currently on the market

14 Federation of Engine Re-Manufacturers

New appointments within the industry, a report on a successful annual conference, plus a new president for the FER

18 Iconic engine: Rover V8

The Rover V8’ s origin story is only matched in intrigue by its life under the bonnet of sports cars, saloons, offroaders … you name it

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New tech: Twelve Grand
Porsche’ s air-cooled flat-six is no modern engine, but some of the most advanced engineering firms are still taking the time to improve it

CONTENTS

44 Dream workshop: Historic Competition Services

Pre-War engines are a totally different breed, HCS gives us an insight into the unique approach it has to take when working on old motors

52 How do you solve a problem like … intake carbon buildup

Audi’ s 4.2 FSI V8 is a direct injection engine that suffers badly from carbon buildup. We look at the best way to rectify the issue

58 If you ain’ t cheating, you ain’ t trying … WRC Toyota Celica GT-Four restrictor

Motorsport cheats don’ t get much more sophisticated and elegant than the air restrictor bypass on Toyota’ s WRC Celica GT-Four

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4 The Engine Rebuilder Issue 04