the fit will be about the same, either will take some fiddling, maybe more for the fiberglas because the repro 5-9 steel ones around now are pretty good .... the only reason to prefer fiberglas over steel is if it's for a daily driver in a cold/wet climate

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics