Yes. Fortunately LX & GT 5.0 uses metal gears for cam and crank (older 302s used aluminum cam gear with nylon covering, it made it quiet but would self destruck at 100K) but the chain still streches. If youre planning on changing cam You definately need to change it, but if not you can sometimes get by wth 200K on them. A simple check to do is pull the distrib. cap and watch the rotor as you turn the crank (15/16 bolt in the middle on pullies) and turn clockwise and then turn counterclock wise and watch how long it takes for the rotor to start tomove again. There will be a small delay but if if you back it up more than 1/8 turn then your chain has a lot of slop in it.
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Bill Heiser
90 Convertable 5.0 LX, ported E7s w/ THumper valve job, TFS street, FR 65mm TB, B cam w/1.7 cobra rockers, kirban AFPR, Mac CAI, Mac Headers, off road h, 3 chamber flows, Crane ign. box, 3:73s, Art Carr AOD & 2600 converter
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