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Home » Technology

Rolling Roads in the UK

Carb Settings and rolling roads, how to set your head up properly.

After having your head re-worked to high quality, close tolerances, setting up your head requires expert help re-jetting the carbs. This will add to its performance, clean running, emissions level and longevity. Injection systems also require re-calibration, but this is not quite as critical.

We recommend that you use a rolling road with gas analysis equipment. In general, you will need to reduce the needle jet by one size and slide by half a size but each vehicle requires individual attention to get the best. There is a danger that if carburation is too rich, “petrol wash” will cause the oil in the engine to wash away, causing premature wear to the bores, guides and valves, significantly reducing the life of these parts.

National motorcycle specialists include:

Black Mountain

Coopers Motorcycles

D & K Motorcycles

H.M.Racing, Edenbridge


Motrack Racing


Phoenix Motorcycle

Rhino Dyno

Red Line

R.G.S. Motorsport

Road & Track Dyno

Sussex Rolling Road

Stan Stevens


Straightline Racing

TAG Racing

TTS Performance

V & M

01873 811776

0181 570 9046

01782 867738

01732 869920

01452 380883

0151 357 1062

01628 667644

01474 879331

0181 665 0488

01206 84226

01933 441457

01296 424248

01903 531750

01474 879331

01702 613144

01553 811855

01233 820601

01327 858212

0161 654 0011

National automobile specialists include:

Deltic Performance

Janspeed Motorsport

01953 884999

01722 321833

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