This is a weird speedometer problem that is not like most posts addressing shaking needle.
When accelerating or decelerating the needle sometimes stays at 30mph for appx 5min then all of a sudden goes to the correct speed. I've tried to make it do it under different conditions without success...
Fundraiser to help out Dan with medical expenses. Please help out a GN brother. Much thanks.
https://m.facebook.com/story.php?story_fbid=1522098044594104&substory_index=0&id=100003817681087
Come join the west coast enthusiasts of Turbo Buicks, Syclones, Typhoons.
https://m.facebook.com/groups/283675495673195?view=permalink&id=284121452295266
Includes electronic box, all wiring, plus custom made heavy duty foot switch. Switch features easy install and removal for temporary use and quick elec connector.
I simply changed out the whole SMC to Julio's system. May not be what you desire, but at some point you will need to upgrade.
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I second this method.
Have struggled many times trying to bleed my GN brakes whenever I changed parts or regular maintenance. The vacuum system and the power bleeder top end pushing style never got all the air out. Simple and patient manual style worked the best for me. Key is having a buddy...
Using an old Dell notebook (small laptop) with Windows XP for appx 10 years. Only issue has been laptop battery stopping holding a charge. Found good new replacement for $16. Sweet!
I still love the simple usability of XP.
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