I have a 1990 grand Marquis with the stock efi 5.0 and my dipstick tube is just about rotted out and I can't seem to find one that fits my car, would the mustang dipstick tube fit? I've been calling around like mad trying to track one down and nobody seems to have any clue where to get one not even doorman has one. If anyone has one that they're willing to spare I'd gladly pay

 

The quickest way to find a dipstick for your 302 engine is to contact an AUTOMOTIVE RECYCLING CENTER.
They are in many places around the USA. Browse on-line for a Recycler.
Good Luck !!