IQ52 said

The same horsepower Andy made with his 470 is possible with a 451. The 240 Trick Flow heads can be touched up to flow with our Edelbrock RPM heads and they have made 780+ HP on a pump gas 451.

And yes, we have run the TTI headers on the 240 Trick Flow heads.

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AndyF said

TTi needs to update their website to include the Trick Flow heads. I sent them a note about it a while back but evidently they don't pay attention to my input........

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