The three best books written for Harley
engine tuning!
All three were written by noted technical author Denny Dennish of Crystal
Publications.
Big Twin High-Performance Guide:
Part# 700500
238 pages covering cams, carburetors,
ignitions, stroker motors, tuning tips and performance theories about H/D
big twin engines.
Includes listings of performance parts suppliers.
V-Twin Tuner's Handbook, Volume One:
Part# 700520
Additional 126 pages of discussions on
shift points, rod length, airflow, bore/stroke ratios, gearing and many
others.
V-Twin Tuner's Handbook, Volume Two:
Part# 700540
260 pages covering engine design and
building, flowbench work, dynamometers, power curve analysis, and track side
tuning and more. Included is a new section on Twin 88 engines!
These books
belong in the library of every serious engine tuner.