Headers Are Worthless On Street Engines
We Europeans have always known steel tubing exhaust manifolds (aka "headers") are worthless when used on street engines unless they are run OPEN ("uncorked"). And as you can't run OPEN headers on the street they are nothing but worthless ornaments with a fancy name and an even fancier price.
You gullible Americans have been convinced headers actually "produce" power when in fact they don't produce anything. Power is produced inside the cylinders and once the hot exhaust gasses get blown out of the cylinders the power "event" is over. When "headers" were first used in the early 1960's their collectors had 4" diameter cover plates attached so they could be opened "uncorked" so the exhaust gasses could be blown to the open air. But sometime after the 1960's ignorant people began attaching their exhaust pipes directly to the ends of the collectors which made the headers worthless other than looking racy. Headers are intended to be run OPEN to bypass the restrictions of the exhaust pipes, mufflers, and tail pipes. But as street engines require mufflers what good are the headers when they have to be run corked? So why do you goofy Americans love your headers so much? |
Im sure Im in the minority but I hate headers ,they leak ,make it hard to change plugs ,and you normally have to ding them to fit.I only have one truck that still has headers and it came with them when I bought it .
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May want to check a few dyno test out of stock exhaust and then changed to headers with matched exhaust systems. Before getting rude. There is another chevelle site Team Azzhole go there and start things. Here we like to get along. |
Headers definitely reduce back pressure on the engine. The headers cool the exhaust gases faster than stock manifolds so they condense quicker and create less back pressure. If you think back pressure is a good thing then stuff some raw potatoes up your tail pipes and go for it.
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Great first post. :rolleyes:
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Goofy troll
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I guess headers don't help a lot on the 3 cylinder engines developing 87 HP they drive in Europe.
Think we may know a little more about American Muscle than him. |
Typical euro rudeness, trust me I deal with it daily.
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Perhaps the guy banged his head under the bonnet of his hillman imp estate.
Those pesky big end knocks from the 65Hp monster. maybe adjusting the 1 bbl carb will help. POME subjects like this fine gent give us true red white and blue brits a bad rep. Funny thing is....i got a 500 hp chevelle. lol lol. |
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