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This is original literature imported directly from England. Some copies show minor wear, as any 30+ year old book would, but overall, they are in excellent condition. This book covers all of the controls, instruments, running instructions, care and servicing of the car. 72 pages with photos, charts and illustrations. For 1970, 1971, 1972, 1973 and 1974 Triumph Spitfire mark 4 owners
The MK IV brought the most comprehensive changes to the Spitfire. It featured a completely re-designed cut-off rear end, giving a strong family resemblance to the Triumph Stag and Triumph 2000 models, both of which were also Michelotti designed. The front end was also cleaned up, with a new bonnet pressing losing the weld lines on top of the wings from the older models, and the doors were given recessed handles. The interior was much improved: a proper full-width dashboard was provided, putting the instruments ahead of the driver rather than over the center console. The engine continued at 1296 cc, but was modified with larger big-end bearings to rationalize production with the TR6 2.5L engines, which somewhat decreased its revving characteristics, and there was some detuning to meet new emissions laws, which resulted in the new car being a little tamer than the MK 3. The gearbox gained synchromesh on its bottom gear.
By far the most significant change, however, was to the rear suspension, which was de-cambered and redesigned to eliminate the unfortunate tendencies of the original swing-axle design. The Triumph GT6 and Triumph Vitesse had already been modified, and the result on all these cars was safe and progressive handling even at the limit.
