Y-pipe mod: my turn
Nov 24, 2008 | 10:03 AM
#25
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From: East Tennessee
and something I question, is the 1.875" (1 7/8") pipe for the "crossover" / right side bank exhaust piping (right side viewed from the driver's seat).
someone above (I think Jay351) mentioned using with 2" or smaller pipe to maintain velocity (for the purpose of scavenging maybe?). Admittedly, 1.875" (1 7/8") is smaller than the 2" mentioned by Jay351, but is there a need for even that large size of pipe? Consider the volume of gasses emitted by the 3 cylinders on that side is less than a 22re which has approximately that size pipe from the cat back... maybe more on par with a 1.5 litre Suzuki 3 cylinder, which has an approximate 1.25" pipe at the muffler.
someone above (I think Jay351) mentioned using with 2" or smaller pipe to maintain velocity (for the purpose of scavenging maybe?). Admittedly, 1.875" (1 7/8") is smaller than the 2" mentioned by Jay351, but is there a need for even that large size of pipe? Consider the volume of gasses emitted by the 3 cylinders on that side is less than a 22re which has approximately that size pipe from the cat back... maybe more on par with a 1.5 litre Suzuki 3 cylinder, which has an approximate 1.25" pipe at the muffler.
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