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.
Concrete floors can obviously range in price based on a variety of factors such as level of detail, size of the project, prices for materials and labor in your market, etc. But beyond the variance of cost, it is possible to have unique concrete floors no matter what the size of your budget. At this price point, you are comparing against wood flooring ($8-$10 per square foot) and a range of ceramic and quarry tiles ($10-$12 per square foot).