HELLO GENTS,LOOKING FOR INFO FOR MY 1964-1965 MUNCIE M-20,3851325,I BOUGHT IT USED,WHEN I DOWN SHIFT FROM 4TH TO 3RD IT WANTS TO GRIND,BUT IF I DOUBLE CLUTCH IT IT SEEMS TO GO IN BETTER,I USE GL4 AS IVE READ THAT GL5 FLUID IS NOT COMPATIBLE WITH THE BRASS COMPONENTS INSIDE,BUT WHO KNOWS WHAT THE OTHER GUY HAD IN THERE,OTHER THAN THIS ISSUE IT WORKS FINE,ITS IN A 65 CHEVY SHORTBOX,383 STROKER ,IM SURE YOU GUYS KNOW THE PROBLEM,THANKS
