Even if the crank has the right mark(s) and the crank passes a second
Brinell test, the first mark(s) may have been faked. You may still have a
crank from a regular 289 that would have passed the test to be used in a K
code engine, but was never tested by Ford. I guess the only way you could be
positive is to see the crank come out of a K code engine which you know had
never been apart.
Incidentally, I am not an early Mustang expect, but I have heard that K
codes were not available with air conditioning. However, a travelling
salesman that called on my office had a new 1965 fastback with factory A/C.
He claimed he had to get special factory approval to order it that way.
HTH,
A. C. Tynes
New Orleans
> -----Original Message-----
> From: tigers-bounces@autox.team.net
> [mailto:tigers-bounces@autox.team.net] On Behalf Of Thomas Witt
> Sent: Sunday, August 29, 2010 10:35 PM
> To: tigers@autox.team.net
> Subject: Re: [Tigers] K motor Block and Crank
>
> >>>Hipo cranks were selected for hardness based on a single
> Brinell test.
> >>>There will be a visible indentation on the crank indicating that
> >>>the crank was tested. This does not mean that it was
> actually a Hipo
> >>>crank since the cranks that were tested and failed to meet the
> >>>hardness requirement were then used in the standard 289 build.<<<
>
> Which then leads one to ask..., how does one identify a HiPo
> 289 crank? I vaguely recall someone mentioning a pink (or
> purple) strip painted on the crank, but 45 years later is it
> still there (or faked)? Short of having a hardness test done
> (and knowing the standard) can anyone really know???
>
> Tom
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