This would be an interesting test to do. If I get the time this year, I may try to get some runs at the strip with some different sizes. there would have to be some real gains in low end torque to justify giving up any of the high end hp. now you have me curious!
Size of Intake Piping
Part of the Grassroots Motorsports article on the Protege/EscortGT caught my eye. According to David Avard, "most of the intakes sacrifice torque...besides the stock VAF is restrictive enough to limit anything you might do with intake piping."
My question then is whether there´d be any benefit to going with a slightly smaller diameter than stock for the intake pipe. Keeping the stock VAF, but a 1/4" less sized pipe might yield greater airflow speed, better filling of cylinders, etc. Don´t know if there´d be any measurable horsepower reduction at high rpms. Has anyone tried using a smaller diameter pipe in order to maximize torque over horsepower? Or anyone want to discuss the merits of such an effort?
My question then is whether there´d be any benefit to going with a slightly smaller diameter than stock for the intake pipe. Keeping the stock VAF, but a 1/4" less sized pipe might yield greater airflow speed, better filling of cylinders, etc. Don´t know if there´d be any measurable horsepower reduction at high rpms. Has anyone tried using a smaller diameter pipe in order to maximize torque over horsepower? Or anyone want to discuss the merits of such an effort?
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