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dld,my post,if not clear,related HD radiators to 3x2 and TT radiators if you reread it.

I asked Scott Tiemann years ago,(13 or so) about the notched fan,and he said it was
to clear the P/S units hub.That's good enough for me.

I have a real 65 3x2 4 speed GTO drop top.It had the HD,and seven blade non-nothed fan.No power options.The diameter is 19-1/2".I just measured it,it is off the car.It has an H and FRONT on the carrier.It is the original fan.It has a bent like tip(at a sort of radius).

I never claim to know al about these cars.At 62,I saw these cars first hand,and rode in my buddies to places I refuse to divulge.LOL But,I do remember some things clearly.Others things I rely on the guys here who's opinion and experience I respect.
I have vbeen wrong over the years here,and admit it when I am.In this instance,I feel confident in what I posted.

In regard to the black fan,Jim Mattison told me this,as I was considering buying his 67 RA HT. I may have goofed that up,as he said the fan was a black,fan w/ four or five blades.I may have assumed it was the GTO's standard cheapo one,but he probably was refering that the car used the Lemans ? fan.I saw one on eBay I was going to buy,as,at the time,the 67 RA had the wrong fan on it.I trust Jim 's knowledge as an authority.

But,I have seen weird stuff on original low mileage GTO's.A member here has a 4400 mile original 65 HT all Black.It was built within two weeks of my car at Kansas City.That car has several things unusual,that mke me wonder.e.g. the radiator P/N is on the top(by the Harrison name),not on the upper drivers side like Keith's.The MC to tee is routed differently.Several more things,but....who do you trust?? I am triying to learn and help out with whatever I may know.nothing more,nothing less. Larry B.