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Click on image for the lowdown. 
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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Mar 2010 Posts: 1,660 Curmudgeon | | Curmudgeon Joined: Mar 2010 Posts: 1,660 | There are 3 pieces of sheet metal on the 6 cylinder bellhousing. The Flywheel Under Pan (underneath flywheel), Extension (between the under pan and engine) and Inspection Cover (small cover at the top see section 0.686). Below is the link to section 0.679. Cross out the years not applicable and V8 engine. Also the link for the bellhousings. Search the Internet for corresponding pictures. There can be differences between car and truck parts of the same year. PG=powerglide, HT=hydramatic, COM/utility=truck lightweight. PASS=car. Sheet metal: http://chevy.oldcarmanualproject.com/1929_57chevyparts/57cmpc0148.htmand: http://www.gmpartswiki.com/getpage?pageid=65950Bellhousing: http://www.gmpartswiki.com/getpage?pageid=65952
Last edited by buoymaker; 06/29/2022 2:30 AM.
"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."
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