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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: Mar 2005 Posts: 1,513 'Bolter | | 'Bolter Joined: Mar 2005 Posts: 1,513 | I looked into this some time ago and concluded the following:
A swirl effect is good if it happens as the charge passes the valve for improved cylinder filling but in this case it is too far away likely eliminating any benefit(multiple runner turns downstream). As it is also highly possible that it will generate an annoying whistling noise I decided not to bother.
1952 1300 Canadian 1/2 ton restomod You Tube | | |
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