Quote:
Originally Posted by MoscowMule
Hello I'm new to this group.My wife and I just purchased a 1965 GMC C-15 with the 305E V-6 in it.We are going to restore it.We want to keep this motor in it.I'm curious what kind of oil everyone is running in there 305's ? What is the oil canister filter number you running? Thanks I advance.
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Congratulations on your purchase, MM! If you treat it right, it should outlast you. These engines are capable of going over a half million miles with the right preventative maintenance. Oil changes are number one. Regarding what kind of oil, you'll get a variety of answers since everyone has their favorite. I've always used Amsoil 10W-40 synthetic oil.
My trucks use the spin-on filters, and I don't remember what the cartridge filter number is any more. I'm sure someone on the forum here can help with that though. By the way, C-15 (C-20 in your ID) is a Chevy type of model number. If your truck is a half ton, you have a model 1000. If it's a three quarter ton, you have a 1500.
We're looking forward to learning more about your truck, and seeing some photos of it.