Hi Dave.
You will probably get a range of opinions on this. I did when I asked the
question. I had the hardened seats put in mine. It is a relatively small
expense compared to the other costs of the rebuild. I considered it a peace
of mind thing.
- Hugh Fader
> -----Original Message-----
> From: owner-triumphs@autox.team.net
> [mailto:owner-triumphs@autox.team.net]On Behalf Of Dave Shook
> Sent: Sunday, November 03, 2002 11:43 AM
> To: triumphs@autox.team.net
> Subject: Unleaded head?
>
>
> Hi.
> I have just joined the list since I bought a 70 TR6. It needs
> a thorough
> engine rebuild, but has no major body cancer (found so far).
> I have a question about what the head needs. It has not been
> converted to run
> on unleaded. I have read a couple of different opinions
> about whether I need
> to replace the exhaust valve seats, valves, guides to run
> safely on unleaded.
> My question:
> does anyone out there have first hand experience of what
> happens running an
> unconverted head on unleaded gas? Or is it so obviously a bad
> idea that only a
> maniac would do so?
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