How to PORT-MATCH MANIFOLDS

Looking for an increase in horsepower? You’re missing a trick if you don’t match the intake and exhaust ports with those of your cylinder head.

Classic Ford

The traditional method for increasing the horsepower potential of your engine is to open up the ports allowing more air in; making it flow much better and in turn, atomise the fuel more efficiently; all to gain a strong burn and more of it. You can spend a fortune with a head specialist that’s invested acres of time not just in experience but research, coupled with flowbench development and sometimes computer simulation, too. All to get the ultimate flow for your application and a monster amount of horsepower and torque. Alas, you can destroy a large chunk of that investment simply by bolting on your own bits of hardware… We all know that, part of the package is the induction side, and it’s easy to look at everything as separate…

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Classic Ford (Digital) - 1 Issue, April 2025

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