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Lotus Europa Forums => Garage => Topic started by: My S1 on Wednesday,June 04, 2025, 05:16:16 PM

Title: Cabin Filters
Post by: My S1 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".
Title: Re: Cabin Filters
Post by: Benjy 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
Title: Re: Cabin Filters
Post by: TurboFource on Thursday,June 05, 2025, 03:51:19 AM
Nice work! Let us know if it’s helpful.
Title: Re: Cabin Filters
Post by: My S1 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.
Title: Re: Cabin Filters
Post by: Benjy 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!

Title: Re: Cabin Filters
Post by: Bainford 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.
Title: Re: Cabin Filters
Post by: gideon 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. 
Title: Re: Cabin Filters
Post by: Hachille 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
Title: Re: Cabin Filters
Post by: dakazman on Thursday,June 05, 2025, 01:12:50 PM
   MyS1,
      You now have a spot in my computer under S1 Dash. Beautiful work.
Dakazman
Title: Re: Cabin Filters
Post by: My S1 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.
Title: Re: Cabin Filters
Post by: BDA on Thursday,June 05, 2025, 02:08:40 PM
Nice job!  :beerchug:

To keep your paint nice, I recommend using the attached sticker!  ;D
Title: Re: Cabin Filters
Post by: kram350kram on Thursday,June 05, 2025, 05:15:03 PM
That is some nice paint job! What paint did you use?
Title: Re: Cabin Filters
Post by: TurboFource 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.
Title: Re: Cabin Filters
Post by: My S1 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.
Title: Re: Cabin Filters
Post by: TurboFource on Friday,June 06, 2025, 11:39:21 AM
It looks fantastic from here!!!  8)
Title: Re: Cabin Filters
Post by: dakazman on Friday,June 06, 2025, 04:04:18 PM
 What Turbo said  :I-agree:
Dakazman
Title: Re: Cabin Filters
Post by: kram350kram on Friday,June 06, 2025, 07:16:04 PM
I'm curious as to why you didn't use a black primer vs the gray, you know with the possible scrapes and scratches coming up gray? I guess a black Sharpie could fix those. Again really looks great!
Title: Re: Cabin Filters
Post by: My S1 on Saturday,June 07, 2025, 10:39:23 AM
Contrasting colors of primers and topcoats allows me to verify coverage when applying the paint and also when sanding to avoid burn through.