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Re: ECM #

Hello, rr. 
The 1228747 is typically used in a big block chebby truck, and I've
seen it used with large gvw smallblock equipped trucks.  It's not the
same as the 7747, but I can't tell you what the differences are.
Shannen

rr wrote:
> 
> I do believe it is Bruce. I've been holding onto
> four numbers for the '747 (for boneyard hunting):
> 
> 1227747    the original
> 1228747    (Not sure about this one)
> 16121154 new service number?
> and
> 16133288, IIRC, a newer version of the '747,
>  possibly a different board inside, but functionally
>  the same.
> 
> BobR.
>
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