I just purchased a set of autolite spark plugs hto. I need to know the gap size. Last ones were gapped from dealer.
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2005 Mustang GT, p1sc1 procharger w/3 core inter cooler, 10 psi boost,, 39# fuel injectors, kook long tube headers, high flow cats, x pipe, magna flow mufflers, che lca, anti squat brackets, che tubular lateral stiffener bar, 1 piece aluminum drive shaft, che engine torque limiters, hurst shifter, A pillar boost and oil press gauges. Steeda lowering spring kit. CM delete plates. New eaton posi rear end(600rwhp), 3.73 gears. MAfia maf sensor, 470rwhp, 423ft# torque.
It depends on how much boost you run. You want it just enough that you don't get any spark blowout. I think I have mine gapped at .038.
The max boost is 10psi. I'll talk to the folks who dyno my car what ever it was set at on the last ones was good all the way to full boost. Thanks
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2005 Mustang GT, p1sc1 procharger w/3 core inter cooler, 10 psi boost,, 39# fuel injectors, kook long tube headers, high flow cats, x pipe, magna flow mufflers, che lca, anti squat brackets, che tubular lateral stiffener bar, 1 piece aluminum drive shaft, che engine torque limiters, hurst shifter, A pillar boost and oil press gauges. Steeda lowering spring kit. CM delete plates. New eaton posi rear end(600rwhp), 3.73 gears. MAfia maf sensor, 470rwhp, 423ft# torque.
2005 Mustang GT, p1sc1 procharger w/3 core inter cooler, 10 psi boost,, 39# fuel injectors, kook long tube headers, high flow cats, x pipe, magna flow mufflers, che lca, anti squat brackets, che tubular lateral stiffener bar, 1 piece aluminum drive shaft, che engine torque limiters, hurst shifter, A pillar boost and oil press gauges. Steeda lowering spring kit. CM delete plates. New eaton posi rear end(600rwhp), 3.73 gears. MAfia maf sensor, 470rwhp, 423ft# torque.
HTO spark plug Gap 2005 Mustang GT 
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