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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: Jun 2012 Posts: 1,747 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 1,747 | That, " The butterfly is stuck in the closed position to the intake." is what you need to address. Try this post for ideas and tips: https://www.stovebolt.com/ubbthreads/ubbthreads.php?ubb=showflat&Number=850512Some good stuff. The engine can not breath with the butterfly closed. So it warms up and goes bad. When that is working, it warms up(good for gas mileage, and drive-ability), then opens(good for continued performance). There are other posts as well. Use the search function for more.
Steve H
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