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A few months ago, several folks suggested reducing the gap from .50 to.45 for less hesitation and smoother acceleration. I tried it and took a hit on MPG. If you changed also, let me know if your MPG changed and if you actually noticed an improvement in performance. I am using the double platinum plugs.
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I agree with Cal. All of the talk I've heard about dropping the plug gap has been with the Turbo only.
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Let me see if I got this right 50 on the NA's
and 45 on the turbos?
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04 cool vanila Limited Turbo ![]() Wife has a 03 limited (Steel Blue) |
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Based on my interpretations of the recommendations of the good folks on this Forum, I set our NA car's plug gap at .042"
I did this because the original plugs (at 60K miles) were at a giant .085" (!) when I took them out...and figured I could get better "area under the curve" sweet spot time by initially setting the Double Platinums to the low side of the scale. 10K miles later.....so far so good [?] Brian
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\'03 5-speed S2 Dream Cruiser #1582 w/MP Stage 1 & BOV. Plastic Intake Manifold, rear Eibach springs and Supertrapp axle-back exhaust. Crane 8.5mm FireWires & Champion Copper Plus plugs, K&N drop in filter. Chrome Plastic AMX TTAB pipe. (Metro Detroit Area) |
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I guess I could say I did notice a slight change in gas mileage. I did record to runs of 21, then installed my DBL plats and 8.5mm wires, changing the gas from .5 to .45 and now record 19 MPG. I have notice a slight better performance change however.
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Kingkole02 Just Cruisin, 03 N/A auto. TE Steel Blue w/ pearl coat & chrome package. Too many extras to list, see pics |
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