Fiberglass takes alot of fineness to pull a clean part out of a mold. Traditionally fiberglass is going to continue curing and warping as it does. Mix the resin to hot to rush it=heat& warps. To mix cool and it will take forever to cure but a much cleaner part
In general, a bad, rushed part takes alot of filler to straighten warps . The warps need to be blocked out.. If your car is a light color, it won't show as much. If it black, I't got to be blocked out dead nuts, lany little warps will show like moguls.
Regards, pK
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