Impala SS427.com Message Board
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GL 4 gear oil
Posted by Morley on 5/11/2018, 1:16 pm
To Nick and all the other members who have already dealt with this issue, thank you BUT ALL I can find is GL5 ;GL6 ; but no straight GL4. I did find a Lucas product that was GL4 AND GL5. I phoned Lucas and was told that they do not have a straight GL4 rating. I asked if they would use the combination of the GL4 and GL5 rating , I was told by a nice guy who said"I would not run that in my car. It would appear the only solution is to go with the CRC product STA LUBE with a straight GL4 rating. Unfortunately, I have been informed by CRC Products that they are not allowed to ship Sta Lube to Canada. This sucks, so if you do not hear from me for awhile I might be spending sometime at the border awaiting trial.