TEST YOUR CAMSHAFT KNOWLEDGE.

QUESTION (1) What is the main purpose of a cam shaft?
ANSWER

QUESTION (2) What is the cam journal?
ANSWER

QUESTION (3) What is a cam lobe?
ANSWER

QUESTION (4) What is the base circle?
ANSWER

QUESTION (5) Where are the opening and closing ramps and what are they designed to do?
ANSWER

QUESTION (6) How is the valve lift governed by the camshaft?
ANSWER

QUESTION (7) What is meant by valve overlap and when does it occur?
ANSWER

QUESTION (8) What effect does increased valve overlap have on cranking compression pressure?
ANSWER

QUESTION (9) What does an engine have a "lumpy" idle with a race cam?
ANSWER

QUESTION (10) What is the finishing process called that is applied on newly re-ground cam lobes (cast or non-hardened camshafts) and for what purpose?
ANSWER

90% to 100% correct answers indicate a good understanding of engine problems and functions. This web site is full of information that may improve your knowledge and skill.

Disclaimer agreement

: Every care has been taken in writing this information and procedures, but no responsibility can be excepted for errors, omissions or misuse of this information and procedures. The information available on this site is for your instruction only and cannot be copied for sale, © copyright 2001 UMR Engines www.engineproblem.com.au