Leave it alone until the engine needs work. For the amount of driving and
the type of driving most of us do, your valves won't recede much if at all.
This bit of advice was given to me by several reputable machine shops.
Mike
----- Original Message -----
From: "Thomas Walter" <twalter@austin.rr.com>
To: "Deena Petrie" <dpetrie@megsinet.net>
Cc: <datsun-roadsters@autox.team.net>
Sent: Thursday, August 23, 2001 11:07 PM
Subject: Re: Valves
> Deena,
>
> Use the same intake & exhaust valves regardless of unleaded or
> leaded fuel.
>
> Most machinist will know to replace the bronze exhaust valve seats
> with a harder material, like Stellite. OEM, bronze, intake valve
> seats are fine as they don't have to put up with the heat like
> exhaust valve seats do.
>
> Cheers,
>
> Tom
>
> Deena Petrie wrote:
>
> > Hi list,
> >
> > Heres another question for you. Remember I'm still learning. Do you
have to
> > replace the valves to be able to run the unleaded fuel? If so what type
of
> > valve should we put in?
> >
> > Deena Petrie
> > 1969 1600
> > Westmont, IL
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