Page 12 - 2016 Healey Performance Catalogue

12 D N E P O T E N I G N E R E D N I L Y C 4 ALUMINIUM CYLINDER HEADS Around 607,000 lines of code will download, So whether you require a standard, fast After 17 years successfully producing our just to machine the ports of a fast road road or full race head, there really is no aluminium 100/4 cylinder heads, 4 years ago 100/4 head with a continuous machining better or more up to date version available we took the decision to upgrade our time of 5 hours and 20 minutes. on the market today. product. By reinvesting in modern When it comes to machining, 2010 saw a Be sure to buy a Denis Welch Motorsport techniques we continue the development of huge upgrade to our capabilities with the original…look for our logo! this product to be the best on the market, acquisition of a brand new CNC machining thereby staying ahead of the competition in centre. so many ways. This allowed us to fully machine the inlet We went back to the drawing board and and exhaust ports along their entire length, started with completely new CAD drawings which involves around 5 hours of to ensure accuracy and perfect detail in our continuous machining – so no more hand product. gas flowing like the old days with its Increased investment in inherent inconsistencies making CAD software allowed each head liable to variations in us to redraw the head in flow capability - this is now 3D as a solid model, eliminated. producing all What we design, is what new you get - every time. BENEFITS OF OUR HEADS Now the ports are machined with symmetry • Fully CNC machined chambers and are all identical, not only from head to • Pressure tested water jacket head but each port along an individual technical • Rocker and manifold stud kit included head. This makes for considerably higher drawings - including power gains and balanced performance, • All heads totally interchangeable with all fully modelling and drawing with the potential for each engine to give things standard the inlet and exhaust ports. much more consistent power outputs than • Precision ground, replaceable lead free We further enhanced this ‘design to ever before. valve seats of the latest high grade material manufacture’ investment philosophy by We not only lead the Austin Healey market including state of the art CAM software. with this technology, we are at the very • Fully inspected and assembled in-house This allowed us to plan the tool paths and front of modern engine development • CNC ported inlet manifolds match write the machining program from a offering this service to all makes and types seamlessly professionally designated drawing office, of engine. not the shop floor, linking these programs direct to the CNC machine, with a dedicated computer network. www.bighealey.co.uk Please add VAT & carriage to all prices for UK and EEC consumer sales at the current rate