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Aug 28, 2018 · Pontiac only used 1 block size having different bores, strokes, and main bearing sizes - no big block or small block like other brands. The block/head bolt pattern is the same from 1955-1981, so you could bolt any year head on any year engine, but it does not mean that they will work on any year engine.

Sep 27, 2024 · Then the customer saw it and either repainted it Pontiac blue or complained and the machine shop repainted it. That’s what happened to my son’s heads. They painted them the wrong color and said they didn’t have Pontiac blue and didn’t want them to rust so my son had to repaint them Pontiac blue.

Dec 26, 2024 · The 1964-1974 Pontiac Tempest, Lemans & GTO. 1964-1974 Tempest, Lemans & GTO General Discussion. Home ...

Aug 29, 2022 · So here is the actuator you need, found on AMZ 'ACDelco 15-73200 GM Original Equipment Temperature Mode Valve Actuator Assembly ' The extreme change in temp from turning the knob is due needing a resistor added, do a search on the forum and you can find the instructions on what resistor you need to buy and how to do it.

Dec 11, 2024 · The hydraulic roller cam is pretty close to the Factory 068 specs except the 110 LSA is going to make the idle rougher than a Pontiac HFT 068 cam. Being a roller with more area under the opening curves it should have no problem outperforming the stock H.O. cam. The 110° LSA does raise the octane required.

Oct 3, 2024 · that plant did not put a 5 N on the cowl tag like KC and Pontiac plants. would look for eveidnece of lemans or tempest quarter panel emblems . Gto qtr emblems onky had 3 holes where lemans letters had two for each letter… front fenders on a lemans had a 326 emblems behind the head lights . what engine is in it?

Dec 8, 2024 · The 1964-1974 Pontiac Tempest, Lemans & GTO. 1964-1974 Tempest, Lemans & GTO Engine Compartment

Jan 9, 2024 · The 1964-1974 Pontiac Tempest, Lemans & GTO. 1964-1974 Tempest/LeMans/GTO Engine Tuning 455 YA code? Jump ...

Oct 18, 2024 · The 1964-1974 Pontiac Tempest, Lemans & GTO. 1964-1974 Tempest, Lemans & GTO General Discussion. Home ...