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Click on image for the lowdown. 
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| | | Forums66 Topics128,147 Posts1,056,801 Members48,454 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Apr 2011 Posts: 181 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2011 Posts: 181 | It takes a lot longer for the engine to warm up in a cold temperature. It also relieves a lot of back pressure present until the butterfly opens fully. Many don't function properly anyway.
Normbc9 | | |
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