I've had a quart of Amsoil and Mobil 1 sitting around my garage for about 3 years. Both are unopened GF4 5w30. Since my 1.8L Toyota engine only takes 4.5 qts I've got about 3 qts of PP GF5 5w30 I've collected from leftovers 5+ qt jugs. Does anyone see an issue if I combine it all and for my next change?
GF 4/GF 5 mixing ok?
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Originally Posted By: XtraRevsSurely
I've had a quart of Amsoil and Mobil 1 sitting around my garage for about 3 years. Both are unopened GF4 5w30. Since my 1.8L Toyota engine only takes 4.5 qts I've got about 3 qts of PP GF5 5w30 I've collected from leftovers 5+ qt jugs. Does anyone see an issue if I combine it all and for my next change?
Shake them up and pour them in.
I've had a quart of Amsoil and Mobil 1 sitting around my garage for about 3 years. Both are unopened GF4 5w30. Since my 1.8L Toyota engine only takes 4.5 qts I've got about 3 qts of PP GF5 5w30 I've collected from leftovers 5+ qt jugs. Does anyone see an issue if I combine it all and for my next change?
Shake them up and pour them in.
I would not mix the differening chemisty Sodium add pack (castrol GTX, Valvoline, Mobil Super, NAPA) with a Boron/Moly add pack (M1, SOPUS) - but you should be OK with Pennzoil PP and Mobil 1 as they have similar DP/EP. Either way they will not gell or turn to water as ADDGUY says.
My eyes were playing tricks on me and I read that as:
Originally Posted By: XtraRevsSurely
I've had a quart of Amsoil and Mobil 1 sitting around my garage for about 3 years. Both are unopened GL4. Since my 1.8L Toyota engine only takes 4.5 qts I've got about 3 qts of PP GL5 I've collected from leftovers 5+ qt jugs. Does anyone see an issue if I combine it all and for my next change?
What a waste of a perfectly good sip of coffee and two paper towels.
Originally Posted By: XtraRevsSurely
I've had a quart of Amsoil and Mobil 1 sitting around my garage for about 3 years. Both are unopened GL4. Since my 1.8L Toyota engine only takes 4.5 qts I've got about 3 qts of PP GL5 I've collected from leftovers 5+ qt jugs. Does anyone see an issue if I combine it all and for my next change?
What a waste of a perfectly good sip of coffee and two paper towels.
I didn't think there would be an issue. From what I've read 3 years on the shelf wouldn't affect the GF4 oil's properties since it wasn't opened. And all the oils are compatable 5w30s. Running it by those who know more than I....
Pennzamobil! Very robust add package!
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