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Old 10-24-2023, 10:13 AM   #8
flatjack9
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Join Date: May 2010
Location: Oshkosh, Wi
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Default Re: Anybody running a helmet distributor w/o vacuum?

Quote:
Originally Posted by 38 coupe View Post
I run stock with vacuum. I like to run the spring and piston with the adjuster backed all the way off then turned back in just until I feel a little bit of spring tension. I find this keeps the advance stable at idle speeds.
The piston is retarded at idle, so no contact on the plate.
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