 Floor-pan air deflectors, Need help with retrofitting them into a 72 |
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| gord |
 Oct 7 2022, 06:33 AM
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#1
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Member  Group: Members Posts: 76 Joined: 30-May 20 From: Toronto, Canada Member No.: 24,334 Region Association: Canada  |
Can anyone offer some guidance for retrofitting floor-pan air deflectors on a 72?
I realize I need to drill 4 holes to attach each one, but do I need to tap the holes? Or do the screws go in from the top and thread in the plastic? A good description would go a long way! |
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| mlindner |
Oct 7 2022, 01:37 PM
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#2
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Senior Member Group: Members Posts: 1,568 Joined: 11-November 11 From: Merrimac, WI Member No.: 13,770 Region Association: Upper MidWest 
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Clay I also wondered about a full deflector. Maybe just where the deflectors are by the cylinder banks suck more air in from both sides and center to create more of a vortex of some kind cooling more?. But they work.
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| Superhawk996 |
Oct 7 2022, 02:20 PM
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#3
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914 Guru Group: Members Posts: 6,502 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch
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QUOTE(mlindner @ Oct 7 2022, 03:37 PM)  Clay I also wondered about a full deflector. Maybe just where the deflectors are by the cylinder banks suck more air in from both sides and center to create more of a vortex of some kind cooling more?. But they work. Here’s one way to look at this. OEMs tend toward optimization. If you didn’t need them - they wouldn’t be there at all. If a full width deflector made a significant difference for engine temps or durability beyond the two that are there - it would probably be full width. Easy enough to do back to back testing if you want to see experiment to see if it would affect engine cooling. |
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Posts in this topic
gord Floor-pan air deflectors Oct 7 2022, 06:33 AM
bdstone914 Tapping is not needed. They screw into the plastic... Oct 7 2022, 08:48 AM Mikey914 Cary RIP did a nice detail on these when I offered... Oct 7 2022, 09:37 AM mlindner Just use through bolts with nylock nuts. Mark Oct 7 2022, 09:54 AM ClayPerrine I always wondered if a rubber air deflector all th... Oct 7 2022, 10:29 AM gord Thanks, this was exactly what I needed to know... Oct 7 2022, 12:31 PM
Mikey914 My modeling suggested that there is more airflow d... Oct 7 2022, 09:37 PM |
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