Page 22 - 2016 Healey Performance Catalogue

22 D N E P O T E N I G N E R E D N I L Y C 6 ALUMINIUM CYLINDER HEADS When it comes to machining 2010 saw a Be sure to buy a Denis Welch Motorsport After 17 years successfully producing our huge upgrade to our capabilities with the original…look for our logo! aluminium cylinder heads, 4 years ago we acquisition of a brand new CNC machining took the decision to upgrade our product. centre. By reinvesting in modern techniques we This allowed us to fully machine the inlet continue the development of this product to and exhaust ports along their entire length, be the best on the market, thereby staying which involves around 13 hours of ahead of the competition in so many ways. continuous machining – so no more hand We went back to the drawing board and gas flowing like the old days with its started with completely new CAD drawings inherent inconsistencies making each head to ensure accuracy and perfect detail in our liable to variations in flow capability – this product. is now eliminated. Increased investment in CAD software What we design, is what you get allowed us to redraw the head in 3D as a - every time. solid model, producing all new technical Now the ports are machined with symmetry BENEFITS OF OUR HEADS drawings - including fully modelling and and are all identical, not only from head to • Fully CNC machined chambers drawing the inlet and exhaust ports. head but each port along an individual • Pressure tested water jacket We further enhanced this ‘design to head. This makes for considerably higher • Rocker and manifold stud kit included manufacture’ investment philosophy by power gains and balanced performance, including state of the art CAM software. with the potential for each engine to give • All heads totally interchangeable with all This allowed us to plan the tool paths and much more consistent power outputs than things standard write the machining program from a ever before. • Precision ground, replaceable lead free professionally designated drawing office, We not only lead the Austin Healey valve seats of the latest high grade material not the shop floor, linking market with this technology, we are at • Fully inspected and assembled in-house these programs direct the very front of modern engine • CNC ported inlet manifolds match to the CNC machine, development offering this service to all seamlessly with a dedicated makes and types of engine. computer So whether you require a standard, • The only new cylinder head available network. today in the FIA yellow book to be allowed fast road or full race head, under FIA regulations Around 1.5 million lines of code there really is no better or more will download just to machine the ports of a up to date version available on fast road 3000 head with a continuous the market today. machining time of 13 hours. www.bighealey.co.uk Please add VAT & carriage to all prices for UK and EEC consumer sales at the current rate