The Ford Aerostar, Ford 3.5 / 5.4's, my 2006 Santa Fe with the 2.7 (Remove the whole plenum and all the crap attached to it), Old Dodge Caravans where the back bank of cylinders were under the windshield / firewall. Older GM Grand Prix where you had to remove and engine mount and roll the engine forward to get at the back 3 plugs. We did many where the back 3 weren't changed.
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