Hi Rip, what I did was to order some floormat material that had a ribbed pattern just like the inserts used on my 71 300s and then used some vinyl paint to color only the every other lower parts of the ribs and used some lacquer thinner to wipe clean the upper ribs so everything would look crisp. Here is the information to order the matting that I used:
Product Name Qty Unit Price Sale Price Subtotal
Corrugated Vinyl Runner Mats
Item No: SN-730
» Size: 2' Wide 1/8" Thick x 8' ~ 16 sq ft
» Color: Black
1 $38.40 --- $38.40
Subtotal: $38.40
Shipping: $14.95
Taxes: $0.00
Discount: -$1.92
TOTAL: $51.43
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I just selected where to cut the matt material to achieve the same width of the strips that I needed.
Then I ended up using JB Weld two part clear weld as the bonding agent since none of the others that I tried even came close to the tenacity of that product.
This technique was used to install the missing trim strips on the 1971 300 that I sold to one of our members in Austria:
1971 Evening Blue Metallic Chrysler 300
I can not recall in detail what the trim looks like on your Navajo but if you could post a close up of any portion of the vinyl trim, maybe I could offer further suggestions.