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I have an 84 Z-28 305v-8 with a high rise intake and the brakes work ok at higher speeds but you almost have to stand on them at idle to stop any ideas?
Wiki User
∙ 16y ago
It is almost certainly a problem with the vacuum booster. Is the line connected and not kinked. Pull the check valve out of the booster and see if there is vacuum in the line. Booster do go bad and may have nothing to do with the intake. Higher speeds will produce more vacuum.
Wiki User
∙ 16y ago
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Have a 98 windstar brakes are making crunching noise in low speeds at higher speeds brakes act normally already checked pads they are brand new any suggestions?
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why is my 1991 Mazda truck surging at higher speeds
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Striking a curb, hitting a pothole at higher speeds. Defective Tire. Striking a curb, hitting a pothole at higher speeds.
What can cause vibrations on a truck at high speeds?
I had a similar problem once and it had something to do with my brakes, I'd get them checked if i were you
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The variable intake controls the amount of air pushed through the engine in order to keep it from stalling. The laws of physics that describe Air flow at speeds below Mach 1 (speed of sound) are different for air flow at supersonic speeds. So the size and shape of the engine inlet at low speeds are different that at high speeds.
