Yes, Royalex did come pre-colored. Colors were a reddish maroon and light blue if I remember correctly. My father says you can paint it but you'll want to check with a paint expert as to the process and type of paint to use.
No, sorry I don't. Actually I'm surprised that any were still in use considering the small amount that were produced. I believe the Ford 90 was standard but I'm pretty sure they used some Chrystler motors early on as well approximately the same size. I was not aware of any upgrade options at the time.
YW, I'll keep my eyes peeled for you but I would guess that all that stuff is long gone. They made some promotional videos but who knows what ever became of those. Probably find the BW article at a decent sized library on microfilm.
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1981 astroglass 140
