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Old 02-09-2011, 11:49 AM   #12
Tim
Senior Member
 
Join Date: May 2010
Location: Aptos, CA
Posts: 332
Default Re: what`s this on my timing cover?

Quote:
Originally Posted by d.j. moordigian View Post
Tim,

The direction of the helix cut(left or right) denotes which way it " loads " the
cam shaft. The Model A will load it back, the 32-48 Ford V/8 is also the same,
the 49-53 has an opposite helix and loads to the front, BUT has a thrust button
to stop the cam from screwing it self out the front cover. Even when doing a
49-53 I use a earlier gear set, works better.
Jay Steele, of Taylor Engines, is a sharp engine builder.

Dudley

Yep, That's why you use it. No matter what direction the cam moves you want to retain that setting and take any advance/retard play out of it.

Tim
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