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Old 06-13-2010, 09:51 PM
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How to tighten a Poly Lock??

I have heard you should set the lash where it needs to be with the outer nut then cinch down the set screw.
I have also heard you should tighten the outer nut a lil more after tightening the set screw.

I am running a solid cam and have tried the latter method suggested to me by a friend, but I cant seem to get it just right. I'm always to loose or to tight.

Would locking down the set screw with a T handle hex wrench with as much force as I can be enough?
If not how about with a ratchet and hex socket?

If the only proper way to do it is by tightening the outer nut a lil more after tightening the set screw is there any tips or tricks that u can share on how to make it easier?

thanks

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Old 06-14-2010, 05:27 AM
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Quote:
Originally Posted by phatTweaker
I have heard you should set the lash where it needs to be with the outer nut then cinch down the set screw.
I have also heard you should tighten the outer nut a lil more after tightening the set screw.

I am running a solid cam and have tried the latter method suggested to me by a friend, but I cant seem to get it just right. I'm always to loose or to tight.

Would locking down the set screw with a T handle hex wrench with as much force as I can be enough?
If not how about with a ratchet and hex socket?

If the only proper way to do it is by tightening the outer nut a lil more after tightening the set screw is there any tips or tricks that u can share on how to make it easier?

thanks
Yes, you tighten the nut to set the lash, the set screw is the locking part of the system.
After you set your lash, turn the set screw in until you can just feel it lightly snug, check and re-adjust the lash again and then tighten the set screw without moving the nut.
The reason you have to re-adjust them with the set screw lightly snug is that when the set screw is tightened, it takes the "slack" out of the threads. By pre-loading the threads slightly, you will get a much accurate lash setting.
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Old 06-14-2010, 08:58 AM
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Quote:
Originally Posted by phatTweaker
I have heard you should set the lash where it needs to be with the outer nut then cinch down the set screw.
I have also heard you should tighten the outer nut a lil more after tightening the set screw.

I am running a solid cam and have tried the latter method suggested to me by a friend, but I cant seem to get it just right. I'm always to loose or to tight.

Would locking down the set screw with a T handle hex wrench with as much force as I can be enough?
If not how about with a ratchet and hex socket?

If the only proper way to do it is by tightening the outer nut a lil more after tightening the set screw is there any tips or tricks that u can share on how to make it easier?

thanks
Here is what I do, this is from Scorpion:

"Spin polylock down against feeler gage now use a T handle Allen wrench and screw the set
screw down against the top of stud firmly then bump wrench slightly tighter to lock set screw
Do not over tighten this will split polylock you donít need much to lock set screw to stud
after adjusting put a magic marker slash across top of rocker".

The main "problem" I see w/what you've suggested, is:
Quote:
Would locking down the set screw with a T handle hex wrench with as much force as I can be enough?
If not how about with a ratchet and hex socket?
You DO NOT need to tighten it that much! Just a good 'snugging' is enough- when you give the polylock's hex nut an additional bump or two, this tightens the whole lock up enough to hold the adjustment just fine.

You need to have studs w/a flat top for the set screw to bear on, if its all uneven, this can cause the setting to wander. The studs also need to be long enough to give adaquate thread engagement.
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Old 06-15-2010, 09:03 PM
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thanks for the help
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