Originally Posted by
turbocabessex
this is not strictly true, when i has my fez zs i only put an air filter o it an it made 114 bhp at a rr day where as my mates zs with identical filter only made 104, ford state 106 standard, both were under 4 months old too
Too many variables again.
Not the same filter used on both cars.
Tyres probably different.
Measured on a R.R, where 2 runs with the same car will differ.
Ford didn't use the same R.R to give the 106 spec.
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