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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jul 2010 Posts: 96 Shop Shark | | Shop Shark Joined: Jul 2010 Posts: 96 | Hi Folks,
Nobody has replied to this post and I am thinking that maybe I didn't pose my question correctly.
It's obvious that with valves too tight and plugs gapped incorrectly, somethiong had to change for the better.
I am wondering if anyone has a technical explanation as to how or why idle Speed jumped 200 RPM.
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