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Re: Smoke on the Decel

Subject: Re: Smoke on the Decel
From: Randall <randallyoung@earthlink.net>
Date: Sat, 01 Apr 2000 11:07:24 -0800
Cc: triumphs@autox.team.net
References: <000a01bf9c0a$4fc9e260$998c2640@oemcomputer>
Kelly :

Tis true, no factory valve seals.  A small amount of oil through the
guides is needed to lube the valve stems.

IMO your smoke is almost certainly caused by oil through the guides. 
Broken or leaky rings leak all the time, not just on overrun.  Heavier
oil will probably reduce the oil burning back to unnoticeable levels.

It's sometimes possible to add valve stem seals without pulling the
head, but I've been advised to stay away from the 'teflon' type seals,
as they apparently don't allow even the minimum lubrication through,
resulting in accelerated guide wear.

Randall

Kim and Kelly Alford wrote:
> 
> When I am traveling down hill, or on a flat surface, and
> use the engine for braking by simply taking my foot off the gas, I get a lot
> of blue smoke out of the exhaust.

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