Racing sports prototypes in the rain, headlights on a wet track

Contact

Tell us about your project

The more we know about the engine and how it is used, the more useful our first reply will be. A few lines are enough to start.

Reply within two working days Workshop visits by appointment

Workshop

13 chemin de la Vallée Yart
78640 Saint-Germain-de-la-Grange
Yvelines · Île-de-France

Opening hours

Tuesday and Friday morning, 9.30 – 12.30. Otherwise by appointment.

Visits

By appointment — so we can take the time to look at your engine properly.

Direct

ask [chez] waynholl.com Afficher le numéro

What helps us most

— The engine, and the vehicle it belongs to

— How it is used, and how often

— What is wrong, or what you want to gain

— Photos, an inspection sheet, an old invoice

Project request

Name / company Email

Phone Type of request

Vehicle / engine Intended use

Your project

Preferred timing Photos or documents

I agree that the information above may be used to answer my request. It is kept for three years and never passed on to third parties — see the privacy policy.

Reply within two working days. Nothing is passed on to third parties.

Getting here

Saint-Germain-de-la-Grange, Yvelines

35 minutes west of Paris, between Versailles and Thoiry. Visits by appointment — we would rather have the time to look at your engine properly.

13 chemin de la Vallée Yart
78640 Saint-Germain-de-la-Grange

Google Maps → Waze →

The map loads only when you ask — no third-party cookie before that.

Parking on site · Pallet delivery possible Directions — Google Maps Directions — Waze Open in OpenStreetMap

Tell us about your project

Thank you — we are reading it.

Saint-Germain-de-la-Grange, Yvelines