Quote:
Originally Posted by ChevyHank
There is a book called chevy ls1/ls6 v-8's written buy a gm engineer. It will give you all the info to show dad how wrong he is. It is 20$ at barnes & noble plus you will learn alot more about the gen3 motor. Look on his oil cap it should say 5w30 only.
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This isn't my dad we're talking about, it's my friends dad. My dad was a mechanic for 15 years, I'd sure hope he knows the difference between an Ls1 and a 350.