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Re: Gas for a TR6

To: Triumphs <triumphs@autox.team.net>
Subject: Re: Gas for a TR6
From: "Power British Performance Parts, Inc." <britcars@powerbritish.com>
Date: Thu, 08 Apr 1999 09:14:32 -0400
References: <3.0.1.32.19990407220934.006aecac@pop.gatecity.com>
Tim Hickey wrote:

> Are you guys running Unleaded gas in your engines? I thought that  these
> machines required lead for the lubracation of the valves. I have a 74 tr6
> under reconstruction. Two years ago I rebuilt the engine, and wanted to
> have hardened seats put in the head. The local shop said that there was not
> enough room to machine a recess for hardened inserts. So nothing was done.
> Did I miss an opportunity? Do I need to run a lead substitute?
>
> Thanks..
>
> Tim Hickey


Tim,

I've always run unleaded in all my engines without any problems ever.  When I 
rebuild
an engine, I always have the head machined for seat inserts which are 
off-the-shelf
items and install bronze guides machined for neoprene seals.  If your machine 
shop
claims they can't install the seats, maybe you should look for another machine 
shop as
it is a very common operation when rebuilding a head.

Since you already had the head finished, I'd leave it alone as is.  Given the
relatively low mileage our cars see each year, it should still last a long 
time.  Just
my 2 cents...

Regards,

Brian Schlorff    '61 TR-4     '64 TR-4     '72 TR-6     '79 Spit
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