Alan "prepped for unleaded" do you mean installing hardened seats .
----- Original Message -----
From: "Alan Seigrist" <healey.nut@gmail.com>
To: "Ed Orr" <eorr@cogeco.ca>; <healeys@autox.team.net>
Sent: Sunday, June 22, 2008 4:13 AM
Subject: Re: [Healeys] M---- quality
> Ed -
>
> Generally I'd say valves and tappets supplied by everyone are more or
> less the same, but if you get stellite valves they will last longer
> and can work with the head if prepped for unleaded.
>
> The real thing you have to watch out for are the valve guides. They
> come in all types. Don't buy silicone-bronze unless it is installed
> and guaranteed by the supplier. Steel guides are the better way to go
> but I had some minor valve sticking at cool down but now that I've run
> the motor in a bit and removed the non-OEM top hat seals that problem
> has gone away on the fresh rebuild on my A90.
>
>
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