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.
1 On average, getting concrete floors can cost anywhere from as little as $2 to as much as $17 per square foot. 2  An economical option, which can just change the tone of the concrete floor, will typically cost less than $6.hat are the extra costs? 1  Experts recommend that you install a large baseboard along the flooring. 2  To avoid a wetter look, a silcone-based sealer will be required, which can add another $1 to $2 per square foot to the job. 3  Older concrete that needs to be patched or fixed can cost around $2 to $5 per square foot.