Need some help with camshaft terminology


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Need some help with camshaft terminology

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trekvana
User

Feb 4, 2012, 2:24 AM

Post #1 of 5 (1375 views)

Need some help with camshaft terminology	Sign In

Hello all, can someone tell me what the difference between a camshaft pulley, sprocket, gear, and roller are? Is the camshaft pulley and sprocket the same thing? Are rollers the parts where the outside (non toothed) part of the belt rest, like the tensioner and idler? Or are these considered rollers? Or maybe some terms are used for camshafts with chains and others for belts?

Looked on the internet but I cant find a definite answer. Any help?

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 4, 2012, 4:08 AM

Post #2 of 5 (1341 views)

Re: Need some help with camshaft terminology	Sign In

What is this? A school project or something?

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Feb 4, 2012, 7:04 AM

Post #3 of 5 (1324 views)

Re: Need some help with camshaft terminology	Sign In

Sprocket, pulley, and gear are the same thing when your talking about belt or chain driven camshaft(s). A lot of times those words are mixed, but they pretty much mean the same thing.

Rollers (aka idlers and tensioner pulley) are the smooth faced pulleys the backside of the timing belt rides on. Roller can also mean the wheels on the bottom of a roller lifter or the wheel on the tip of a roller rocker arm. Sometimes you may hear from someone they have a roller engine. That usually means their engine has roller lifters and rockers.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Feb 4, 2012, 7:18 AM)

trekvana
User

Feb 4, 2012, 12:35 PM

Post #4 of 5 (1294 views)

Re: Need some help with camshaft terminology	Sign In

thanks!

ratrace2
User

Feb 12, 2012, 6:00 AM

Post #5 of 5 (1226 views)

Re: Need some help with camshaft terminology	Sign In

May I suggest you read:

"High Performance Chevy Small-Block cams and valve trains,
author: Graham Hansen.
pub. S-A Design (2005)
ISBN: -13 978-1-932494-08-2

This book is only $15.00.

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