The 123JAG-6-R-V replaces most 6 cyl. distributors that were used in 3,4 litre, 3,8 litre and 4,2 litre "XK"-engines.
The unit offers 16 different advance-curves, that can be selected via a little switch. This is a great feature for easy fine-tuning your engine!
It also offers :
- vacuum-advance - automatic dwell - spark balancing - automatic power-cut after 1 second - gearshift retard - etc. etc.
A good book is "How to powertune Jaguar XK-3,4 3,8 & 4,2 litre engines" written by Des Hamill. ( see : www.velocebooks.com ) This book, in combination with the 123JAG-6-R-VPOS, gives you all the tools necessary to powertune your Jaguar !
