Do headers work? Hell yes they do! We all know from decades of hopping up engines that putting a set of headers on your ride has always been one of the first upgrades. Then they came out with all kinds of headers. I remember when your only choices were headers, equal length headers, and tri-y headers. All three were “long tube”. Then they came out with shorty headers of all kinds, and then mid-length, etc, etc. And oh by the way, a bunch of the short and mid length stuff just do anything for actual power levels. They do allow more flow when supercharging a combo perhaps, but on their own don’t usually make any difference in naturally aspirated power.
But what about the old long tubes? Do they still work? Or were we fooling ourselves? Hell no we weren’t they work and here is some testing to show just how good they are on a 5.0L Small Block Ford. This is impressive and shows just how good they can be.
Video Description:
DO LONG-TUBE HEADERS REALLY ADD POWER? HOW MUCH ARE LONG-TUBE HEADERS WORTH ON MY 5.0L MUSTANG? DO LONG TUBE HEADERS MAKE MORE TORQUE THAN SHORTY HEADERS OR STOCK MANIFOLDS? CAN YOU CHANGE THE POWER CURVE THROUGH SCAVENGING? WHAT IS EXHAUST SCAVENGING? DO HEADERS MAKE A DIFFERENCE? HOW MUCH POWER IS TIMING WORTH? HOW MUCH TIMING SHOULD I RUN ON MY 5.0L FORD? WHAT HAPPENS IF I RUN TOO MUCH TIMING? WHAT HAPPENS IF I RUN TOO LITTLE TIMING? THIS VIDEO HAS ANSWERS TO THESE QUESTIONS, AS I TESTED THE EFFECT OF TIMING AND LONG TUBE HEADERS ON A 5.0L FORD!
This is impressive and shows just how good they can be.
Now what did we learn? We learned that if you are going to try to convey some data to your viewers, perhaps you might want to have an engine with a TDC timing pointer on it, and also maybe include a streetable ignition with an advance mechanism so that your data from below 3000 RPM is accurate. Simple point: don’t advance ignition timing unnecessarily.
He always seems to talk too much, but he is usually pretty good with providing good practical information but this one was full of “this has this, and that has that, but that doesn’t matter because I once did this to that and blah, blah.” All that said the dyno results of the collector change was pretty shocking, he just could have gotten this across smartly with less words.
Maybe it shows that the header manufacturers know what they’ve doing when they build SB Ford headers with 1 5/8 primary pipes and 3” collectors.
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