Yes ….. according to Peter Burgess in the Distributors/Timing section of his book
All you could want to know, and all the expert tips, about getting the maximum performance from the MGB’s four-cylinder B-series engine for road or track. A book packed with understandable and down to earth advice based on the author’s years of hands-on experience.
The book is full of interesting tuning tips for the MGB many supported by rolling road dynamometer testing.
…………Search Amazon for this Book ………
or visit the website for workshop services at …… http://www.peter-burgess.co.uk
MGB tips mods and maintenance 