Restrictor plates in NASCAR are to keep the speeds down and keep the cars from flying into the crowd at 220 +
How many high 10 second and faster cars with the OE intake and dog house are currently using a PP?
Do restrictor plates work for nascar what are the purpose for them in nascar ?? To go faster ?? How many tsm and tso cars have them ??
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Yea but they are not forced induction!!!!
why do we port heads or intakes to go slower or faster ??