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| Joined: | 01-07-2015 |
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I have taken ownership of a 74 JH. I realize this topic has probably been talked to death but when it is stated that the engine oil should be 20w-50, is this the same with all brands of oil? Is Castrol 20w-50 the same as Napa 2ow-50? I believe the previous owner changed the oil and used 10w-30. I have also topped off the SU carbs with 10-30. Should I switch to 20w-50? I do get the occasional hesitation and sputtering while accelerating. Could this be the problem. I am in Northern New England in the US and I only run it in the summer
Thanks for the input,
Robb