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 costs an average of $98 per cubic yard according to NRMCA. This means you can expect to pay between $3.25 and $5.25 per square foot to have plain concrete poured. Many factors are involved in pricing concrete including the following: grading, subbase preparation, concrete forms and finishing, reinforcement, and the local cost of concrete. Decorative Concrete Costs: Decorative Concrete Cost