On 8/7/96 10:58PM, in message <960807235550_173694274@emout13.mail.aol.com>,
Metwrench@aol.com wrote:
> Hi Gang,
>
> Have any of you had a crank ground down ? Has the machine shop told you that
> after is was ground that it would have to be hardened ?
>
> I have my 80 Spitfire crank being done. I have to go .0010" under which means
> grinding. They told me that MG and Triumph cranks are only case hardened, so
> I would have to Nitrate (harden) the crank.....$250.00 to do it.
>
> I could take a 50/50 chance on non hardening , but no warranty.
>
> Any advice group? or stories on this?
>
> John P Spofford
> 80 Spit.....
>
Hi John,
I had the crank on my '70 Spit ground .0010" under and didn't have it hardened.
The machine shop didn't mention it and I never thought of it. The engine has
been running great for 3 years now. Either my crank is wearing away or your
machine shop is incorrect.
Bill M.
'70 MkIII Spit
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