There has to be a solution. New car dealers always try and push those extra packages before you get to the payment guy.. They definitely have something for the windshield that cuts down on the UV and lessens impact/chip of a stone and reduces the headlight glare...
Why not contact someone in the Keystone Region Chapter. You's are right in the middle of a lot of Studebaker owners. I'm sure they would be glad to help...
https://sdc.cornerstonereg.com/Chapter/ViewChapters?loc=PA
Yah, most radials I've used ( Michelin) have a 44 psi cold limit. Due to the weight distribution ratio, It would make a lot of sense to bump in front. I'd try 38 or so, for starters
I found a few things .... Mostly Imports and an occasional Stude. I guess he lucked out and had someone order the Avanti..
http://studebaker-info.org/Dealers/CAdealers.html#massagliCA
I wonder how the sides were secured. The lack of a bolt there, would chance them to bounce and scratch the paint.. Any more pics or is the Ebay thing still active?
......aha just saw it... ( rear end bump protection/projection) but the question remains...
Do the 87 - 91 Avantis have ABS systems? I was just doing a bit of research and noted that ABS systems should never use DOT5 fluid because of foaming..... In fact the install sheets on the masters, say to not even mix DOT3 and 4