Ford messed up the gapping on the OEM plugs and this is part of the problem with the Ecoboost shudder at 55-60mph. The spark plug gaps are all over the place from. 035 to. 046 on just one members engine.
At the time of publication, the average cost of concrete for a 400-square foot slab, the typical size for a two-car garage, ranges between $583 and $637 or between $1.46 and $1.59 per square foot. On average, contractors will put in about 13 hours of labor to finish a two-car concrete garage slab.
Most decorative concrete floor installations are quite cost-effective, especially if you have an existing concrete slab thatâs all ready for staining, polishing or application of a decorative coating or overlay. However, a mid-range floor can cost $7 to $14, while a high-end design may run $15 to $30 a square foot.