This may actually apply to our GT's:
An attribute for appraising
Back in the day, the carbon fiber weave on the F40s may not have been as visible off the production line but as the years go by and the carbon fiber goes through more and more temperature cycles, that weave becomes more apparent. This attribute is used by collectors and aficionados to determine whether a panel’s been painted or repaired.
It’s virtually impossible to sand or prep the original surface without flattening the tops of the fiber weaves, and repairs will most likely be coated with a filler primer to smooth the panel before painting it.
Ferrari F40 - The legend of the thin paint
Find out why the Ferrari F40 has a visible carbon fiber weave underneath the paint. The answer is more intricate than you'd think.
stevs.ca
An attribute for appraising
Back in the day, the carbon fiber weave on the F40s may not have been as visible off the production line but as the years go by and the carbon fiber goes through more and more temperature cycles, that weave becomes more apparent. This attribute is used by collectors and aficionados to determine whether a panel’s been painted or repaired.
It’s virtually impossible to sand or prep the original surface without flattening the tops of the fiber weaves, and repairs will most likely be coated with a filler primer to smooth the panel before painting it.