Hupmobile 8 cyl inline
Bore 2 7/8 - 73,025
Stroke 4 3/4 - 120,62
Volume 4042 ccm
Pr Cyl 505 ccm
Weight 270 Kg
Ignition seq 1 - 5 - 2 - 3 - 8 - 4 - 7 - 6