1964 – 1967 GTO Aluminum Radiator With Dual HPX Fans – Pontiac V8 Engines – 20″ Height

The 1964 – 1967 GTOs are some of the most difficult cars to cool. That isn’t by design, rather by all of the old wives tails and gimmicks people have applied to the Pontiac V8s over the years. Since Pontiac V8s, especially 400s and 455s, are some the most difficult engines to cool. As such, they are awesome BS detectors for cooling system gimmicks and your temp gauge will quickly tell you the truth. What makes the 64-67 GTO vintages so difficult to cool? A couple of things. For one, they are Pontiac V8s which by their nature make them difficult to cool. The other is because where the filler cap is located. If you’re expecting the crossflow-is-more-efficient rant to follow, then you’re in for a surprise. The infamous ‘a cross-flow is more efficient’ myth. That’s a myth some of the radiator companies (and the Summit catalog who caters to dumb-dumbs) propagated before they had the ability to make down-flow radiators. Therefore, the only way they could sell you a radiator is to sell you a