My 67 MKII has around 85,000 miles on the original 289 engine which has never
been opened up according to the previous 3 owners. Car runs great with no
issues. My concern and perhaps the concern of other owners is, should I
replace the the timing chain/gears as routine maintenance? A friend with lots
of 289 engine experience said the engine is likely of the "non-interference"
type and not to do a chain/gear change since even if the fiber cam gear (or
possibly steel gear) breaks no engine damage would occur. (If it works
don't mess with it basically). I would prefer not to change anything if it is
not required. I think some of these engines had fiber gears and others had
steel. I would welcome the educated suggestions of you guys obviously. Can
anyone tell me if my engine has fiber or steel timing gear from the info
listed below? Should I mess with it or just leave it alone? I probably
drive less than a thousand gentle miles
a year. Thanks for the forum and thanks for the input!
engine info:block (under starter) 6029, and under that 0 or a G and 3-AF6015E,
build date stamped by water pump on block is 6C31C.
Thank you,
Dave Gilmore
Leawood, Ks
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