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[jpb]

Does anyone know how many threads per inch the adjusters have on the Zippers Pro-Taper Pushrods?

I have also read the Zippers instructions several times and I have a question.  The motor is a 110 cvo using the stock lifters.

Most of my reading on the forum seems to indicate that many folks adjust the pushrod from zero lash on a full lifter.  Then they extend the adjuster a specified amount to center the piston in the lifter body. .100 above and below the piston.

If I extend the Zippers Pushrod as indicated in the instructions, slowly, and eventually purge the lifter of all it's oil and bottom out the piston at a total of 7 full turns from zero lash and then shorten the pushrod by only 2/3 turn I am no where near the center of piston travel, or am I??

This seems to be way to tight of an adjustment

Just looking to better understand the process. 

Is there a simpler method to just extend the pushrod  a given number of turns or flats from a full lifter at zero lash?

Thanks in advance for any advise!

[Talon]

This is from Crane.

http://www.nightrider.com/biketech/download/crane/install_adjustable_pushrods.pdf


S&S

http://www.nightrider.com/biketech/download/ssmanuals/pushrod.pdf