Help decoding exhaust manifolds, thank you...

1851 Views 3 Replies 3 Participants Last post by LeoP, Feb 26, 2007

Jr1964

Discussion Starter · Feb 24, 2007

Wanted to know about what year these might be from and what the
date code says about them if possible...

front: GM 3834947 LH
with a number 2 below it

back: 2
and F23

other side...

front: GM 3840912 RH
with a number 2 below it

back: F8 I think, the # is hard to read
and a 2 below it.

Thanks!

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Jr1964

Discussion Starter · #3 · Feb 25, 2007

These are supposed to be original for '64 Malibu 283ci. That's why I am curious about the
date codes as to when they were made.

Here's a couple pics..

It's really hard to see, but I think that's an '8' after the F.

Do these numbers mean anything?

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