Author Topic: Cabin Filters  (Read 744 times)

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Offline My S1

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Cabin Filters
« on: Wednesday,June 04, 2025, 05:16:16 PM »
Another retired old guy with too much time on his hands project.  Cabin filters.  No significant reduction in air flow especially when driving.  Will have to see if they actually keep any dust out.  The full 1" thickness gave less airflow so I hollowed out the back and reduced the operable thickness to about 3/8".

Offline Benjy

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Re: Cabin Filters
« Reply #1 on: Thursday,June 05, 2025, 12:03:34 AM »
Wonderful attention to detail in your interior. It really is like a completely new car. Great work

Cheers
Benjy 54/0949 France
When your only tool is a hammer, everything looks like a nail.

Offline TurboFource

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Re: Cabin Filters
« Reply #2 on: Thursday,June 05, 2025, 03:51:19 AM »
Nice work! Let us know if it’s helpful.
The more I do the more I find I need to do....remember your ABC’s …anything but chinesium!

Offline My S1

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Re: Cabin Filters
« Reply #3 on: Thursday,June 05, 2025, 07:40:44 AM »
Thank you Benjy and TurboFource.  It took me 2 years and a triple bypass surgery to restore the interior...that's why I'm trying to keep the dust out.

Offline Benjy

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Re: Cabin Filters
« Reply #4 on: Thursday,June 05, 2025, 08:47:40 AM »
What I have noticed from using the car is that the entire engine bay gets very dusty, dust sticks to all the oily bits and the whole back of the car is like a dust magnet but the interior has stayed relatively clean. In my case I am the dustiest thing likely to get in the car!

Benjy 54/0949 France
When your only tool is a hammer, everything looks like a nail.

Offline Bainford

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Re: Cabin Filters
« Reply #5 on: Thursday,June 05, 2025, 08:49:03 AM »
Great idea! I've been looking to do something similar. I frequently get dust and chunks of debris coming in through the vent, which is aimed directly at my face. I number of times I have got something in my eye while driving.
The Twin Cam plays the symphony whilst my right foot conducts the orchestra. At 3800 rpm the Mad Pipe Organ joins in.

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Offline gideon

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Re: Cabin Filters
« Reply #6 on: Thursday,June 05, 2025, 10:24:51 AM »
I thought about putting a filter on the ventilation fan.  I suppose there is air leakage to/from the front plenum, but I'm thinking most of that is outwards rather than inwards, so filtering at the fan might make sense.  It's one filter then instead of three but you'd have to make or adapt a suitable filter housing. 

Offline Hachille

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Re: Cabin Filters
« Reply #7 on: Thursday,June 05, 2025, 10:54:24 AM »
Another retired old guy with too much time on his hands project.  Cabin filters.  No significant reduction in air flow especially when driving.  Will have to see if they actually keep any dust out.  The full 1" thickness gave less airflow so I hollowed out the back and reduced the operable thickness to about 3/8".
You really have a magnificent car. Congratulations on your work.
Hachille

Offline dakazman

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Re: Cabin Filters
« Reply #8 on: Thursday,June 05, 2025, 01:12:50 PM »
   MyS1,
      You now have a spot in my computer under S1 Dash. Beautiful work.
Dakazman

Offline My S1

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Re: Cabin Filters
« Reply #9 on: Thursday,June 05, 2025, 01:56:00 PM »
Thank you gentlemen for the positive feedback.  I can tell you that restoring the interior was the most difficult paint job of my life and I never want to do it again.  The semi gloss black was a bitch to control and now that it is done, I fear getting in the car and scuffing the damn paint.  Not to mention every dust particle shows up like a wart.  My wife and friends don't want to get near it for fear of scratching it and having me blow my top.

Offline BDA

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Re: Cabin Filters
« Reply #10 on: Thursday,June 05, 2025, 02:08:40 PM »
Nice job!  :beerchug:

To keep your paint nice, I recommend using the attached sticker!  ;D

Offline kram350kram

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Re: Cabin Filters
« Reply #11 on: Thursday,June 05, 2025, 05:15:03 PM »
That is some nice paint job! What paint did you use?

Offline TurboFource

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Re: Cabin Filters
« Reply #12 on: Thursday,June 05, 2025, 07:02:52 PM »
I recently had someone tell me matte and satin style paint jobs (anything besides gloss)are the most challenging because you cannot cut and buff it like gloss paint to correct any flaws.
The more I do the more I find I need to do....remember your ABC’s …anything but chinesium!

Offline My S1

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Re: Cabin Filters
« Reply #13 on: Friday,June 06, 2025, 08:01:42 AM »
TurboForce,  that is absolutely correct.  It is impossible to perfectly touch up a scratch or scuff.  I spent hours trying every conceivable trick to patch and match a couple of flaws.  Impossible.  You have to live with the scratches and scuff marks.
 
kram350kram,  Thank you.  After doing all the repairs, reinforcements, and surfacing, I shot a layer of black 2K epoxy by Kirker called "Enduro Prime".  Filled pin holes, sanded and shot a layer of gray 2K urethane "Kirker Perfect Prime".  Sanded then shot the final two (medium and heavy) coats of 2K single-stage urethane topcoat by Kirker called "Hot Rod Black".

Because of the inherent difficulty of shooting a box while in the box and the inadequacies of my home made paint booth, I had to do each stage of paint in four separate sections;  1. seat pans,  2.  I.P,   3. Console and firewall,  4. Doors.  My biggest battle was overspray and debris, not to mention the Kirker topcoat sheen varies depending upon the thickness of the final coat;  too light-flat and too heavy-higher gloss level.

The fellows on the assembly line must have been driven to insanity.  It is easy to understand why they did not paint the seat pans and speaker bowl in my car and also missed some areas and dripped in others.

Offline TurboFource

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Re: Cabin Filters
« Reply #14 on: Friday,June 06, 2025, 11:39:21 AM »
It looks fantastic from here!!!  8)
The more I do the more I find I need to do....remember your ABC’s …anything but chinesium!