Download or read book How To Power Tune Jaguar XK 3.4, 3.8 & 4.2 Litre Engines written by Des Hammill and published by David and Charles. This book was released on 2014-09-01 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Full details on camshafts, camshaft timing, valve springs and cylinder head options and modifications. Carburation chapters cover: 13/4 and 2 inch twin SU setups; triple 2 inch SUs; and triple Weber and Dellorto setups. A special section is included on modifying SUs for improved engine performance, along with the relevant needle specifications. Full details on ignition systems and timing, exhaust manifolds and systems and general tune-up information.