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Author Topic:   Headers
phelps
Dirt Full Roller

Total posts: 58
posted November 05, 2001 10:04 PM
What are the advantages of 180 or over the top headers?

General
Dirt Maniac

Total posts: 151
posted November 06, 2001 12:21 AM
Because you connect the two opposing banks, makes more hp.

Chad
Dirt Maniac

Total posts: 113
posted November 06, 2001 04:44 PM
There is a difference between 180 degree headers and just over the top headers. 180 degree headers have alternating sides of the motor come together in the collector, as General stated. This allows the exhaust pulses from the engine's firing order to assist in pulling the exhaust gasses out of the head and into the header/exhaust. The straight over the top headers combine each side of the motor into a collector and not alternating. The 180 degree header has a very distinct high pitched sound. Both types are very effective, each has its advantage over the other. It depends on the motor combination as to which system would be best for your application.

phelps
Dirt Full Roller

Total posts: 58
posted November 06, 2001 10:13 PM
Why do over the top headers have any advantage over regular headers? I can now understand the 180s but not the over the tops.

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