Yes, they make a full synthetic and a synthetic blend.
Havoline Synthetic is just as good as any other synthetic.
Havoline Texaco Synthetic 5W-40.
what will havoline oil filters TFC 530 and T18 and T129 fit as will as havoline oil filter hsa 721 fit.
The havoline number is TFC-538.
New formulations of Havoline Synthetic Blend and Synthetic 5w30 should meet all DEXOS1 Specifications. Note: There is a large difference between Meeting Specifications and being Compatible. It looks like Chevron has decided to license Havoline Synthetic 5w30 for DEXOS1 (also, be careful as DEXOS1 and DEXOS2 are different animals) Anything made late 2011 and all 2012 and newer should be ILSAC GF5 and APISN. These should meet DEXOS1, but may not be licensed officially.
Most oil is natural, especially if it is not mineral oil. However it is possible to make a synthetic oil.
45
Chevrolet
chip oil or fat
Drain the car's oil.Insert 3 quarts of Havoline brand oil.Insert STP oil treatment.Insert Rislone oil treatment.Let the car run and within 30 seconds the knocking should stop.TipsIt has to be Havoline oil. For some reason, other oil just doesn't do the trick. This does not mean Havoline oil is better, it only means that Havoline oil is made a certain way that can stop a car engine from knocking.WarningsBe sure you know how to change oil on a car before performing this procedure.Make sure to put the correct amount of oil in that is specific to your engine's size.Things You'll NeedA car with a knocking engine3-5 quarts of Havoline oil (check your cars specifications)STP oil treatmentRislone oil treatmentTool to remove drain boltOil panOil Filter
Use synthetic oil
Yes, almost every oil brand offers a full synthetic.