Originally Posted by marksroberts61
... The issue is that the sacrificial boundary layer that forms with GL-5 (GL-4 forms one too, just not as strong) has a surface bond strength that is stronger than the brass itself, thus it is a physical erosion problem. ....

Which is why driving mine for two months left me with a catch pan full of brass particles and tiny flakes.


'97 Montero Sport LS 5-Speed 3.5L conversion
SAS Dana 44s & ARBs, 35" Yoko Geolandar M/Ts
NP231 B4R doubler/Terra Low231/RP 5.38 229:1
'99 Montero Sport Limited 4WD SAS 3-link project
'03 Montero Sport Limited AWD
'97 Montero Sport LS 5-Speed 4WD