I always prefer the metal speedo cables , the plastic ones are not just coated , they're plastic .
Last time I checked , AD still made the correct metal speedo cable . There's an additional , separate horizontal weather seal between the floor and door , the strip is often gone missing . Vent wing seals can be a serious P.I.A. ~ I use a stiff nylon glass setting tool to help stuff it into the channel , I also NEVER use Chinese rubber and if you foolishly buy some , you'll find out why . Steele Rubber Co. rubber only ! . Be wary of re pop door latches , I was able to find twoN.O.S. ones after failing to get the Chinese re pops to work although I am told there's one company that makes good repop latches . Insulation is critical ~ closed cell only ! . Inside the roof and doors but always stop 4" or more before any seams or the bottom so water , wet leaves , dust etc. cannot accumulate . -Nate Bob Asked : Hi Group, Working on the doors on my ’57 3100 – Planning on replacing door and window relays, latches, striker plates, window felts, door seals etc. and have a few questions: What is required to replace the wind wing vent window seals? Are special tools and skills required, is it a difficult task? What is recommended for door insulation and/or sound deadening? The catalog lists a lower door seal retainer – is this used with the door to cab seal that surrounds the door or is there another seal at the bottom? Also – as far as performance/reliability/longevity - what is preferred: the plastic coated speedo cable or the one with the metal housing? Any input would be appreciated – Thank you, Bob