IIRC, the zx2 is very similiar, some foci have slightly different engines. Something about split port I think. As far as the escape and tribute I have no idea. But I imagine if it's called a zetec it's probably pretty similiar.

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Brad W.
1998 Silver Frost SE
brantleyiii@earthlink.net
Photopoint Album-(Updated 2/28/01)
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"Just remember, when things look bad, it can always be worse."