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Posted by: Jim C Apr 16 2020, 08:25 AM

I do not have a heater and am trying to block off the ducts leading into the car. Will the factory plastic passenger J pipe block off caps work for this purpose? Does anyone have any ideas or know off hand what size pipe caps might work?

Posted by: Coondog Apr 16 2020, 08:31 AM

https://maddogsmotorsports.com/

Posted by: 914Toy Apr 16 2020, 08:40 AM

Hardware store - 2" black plastic pipe cap.

Posted by: cary Apr 16 2020, 08:44 AM

Top Secret.
Spray paint can top. Soft enough to use a clamp.

Posted by: mepstein Apr 16 2020, 08:50 AM

QUOTE(cary @ Apr 16 2020, 10:44 AM)

Posted by: DickSteinkamp Apr 16 2020, 09:07 AM

Block off the tubes in the longs at the firewall end with 2" pipe caps. Perfect fit and they even come with the clamp.



Block off the inlets to the cabin with MadDog's kit...



https://maddogsmotorsports.com/914-accessories

Posted by: jd74914 Apr 16 2020, 09:14 AM

I used heat shrink caps.

https://www.mcmaster.com/heat-shrink-end-caps

Posted by: Jim C Apr 16 2020, 10:31 AM

Thanks all!

Posted by: SKL1 Apr 16 2020, 12:49 PM

Yep- spray can top and you can get it in many colours!!

Posted by: Mark Henry Apr 16 2020, 01:04 PM

Soda can bottom a black RTV bead around the edge and stick it on. You might need temporary tape if holding it up.
We call them pop cans, you could use a beer can bottom and paint it black beforehand.

I've done this for years, looks good, fast, stays put, easily reversible and damn better than a hole.

Posted by: sb914 Apr 16 2020, 02:08 PM

I made some from carbon fiber sheets.
Dremel cuts it like butter.