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.
Basic concrete patio costs: $6 to $10 per square foot. Custom concrete patio costs: $10 to $15 per square foot. Advanced or complex designs: $15 or more per square foot. Average patio costs: $2,800 to $4,000.hose opting for hand coloring, unique angles or a special design will see the price rise to more than $15 per square foot. The average price that homeowners pay for a concrete patio is around $2,800 to just over $4,000, but some homeowners report spending as little as $1,000 or as much as $6,500.