strange dates

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clopo · #1 10-29-2007, 06:39 AM

Looked at a set of pristine exhaust manifolds and smog tubes tonight for a 68 Z. The casting numbers were 3892683 LH and 3872730 RH but the dates were L-20-8 and L-16-8 Looked like they were taken off a new car.Can anyone explain the dates?

**wheelhop** · #2 10-30-2007, 04:21 AM

Wouldn't that date be for a 1969 model year Z?

clopo · #3 10-30-2007, 05:41 AM

According to Chevy by the Numbers and Mac Neish's book they are 68 only

nuch_ss396 · #4 10-31-2007, 01:33 AM

L-20-8 and L-16-8 dates would have to be service dates if
JM's book is correct. L-68 is Dec 1968 which would qualify
for a mid-year built car. If the casting numbers are
1968 only, then they must be service dates.

Nuch

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