Read Reformed Not At All and you will see he does deny Justification By Faith Alone from his own book.
Well then he is a heretic and this was Robin's point that FVers are neo-galatians. He used another term that he coined and I cannot think of it off the top of my head. This is why FV becomes so dangerous because it is a denial of the gospel.
While I firmly disagree with FV, I have trouble reading Robbins' stuff since the same man said Van Til denied the Trinity. So if we are calling someone a damnable heretic, and it comes from Robbins, forgive me if I take it with a grain of salt.
And yes, I do listen to John Robbins' lectures for profit on other topics.
Do you have a reference to his accusation that VanTil denied the Trinity because I have been on his mailing list and have never heard this before? I agree with you that he is not VanTillian but he is presuppositional. Robbins holds to the teachings of Gordon's Clark and certainly would oppose VanTil.