Mailbag: A Case Study in Cam Size and Idle Quality
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re discussing cam size and idle quality. Q: I am modifying a 1990 Mustang LX 5.0L. I installed a B303 Ford Racing roller cam. Other modifications include a Flowmaster Force II exhaust, underdrive crank pulley, 180-degree thermostat, K&N air filter, Hypertech Power Module, GT-40
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