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Plug Gap
Got an ignition tune up kit for the E30, plugs, wires, cap, rotor, coil. Looking at the Bosch plugs. On the box it says that they are gapped to .031. Car manual say to set gap at .027. I checked the gap on the plugs and are showing all to be .029. So does it really make that much difference between .028 and .027 gap?
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