Andrew,
Not sure about the first issue, but blowing smoke when coasting is typically
a sign that your valve guides are worn. Oil is getting sucked down the
guides into the combustion chamber due to the vacuum created during
deceleration. When you hit the gas positive pressure in the chamber keeps
the oil out. If it were the opposite then piston rings would be suspect.
Greg
CD6250L
----- Original Message -----
From: "Andrew Packard" <apackard68@comcast.net>
To: "6pack (E-mail)" <6pack@autox.team.net>
Sent: Wednesday, June 25, 2003 7:00 PM
Subject: Two TR250 issues
> Hello list:
> Another brainteaser for the group.
>
> When I hit 70 mph on the interstate (that's freeway to the west coasters)
and ease off of the accelerator, there is a vibration that rumbles the
entire car. It may be coming from the front right, but I feel the vibration
in the soles of my shoes. When I accelerate again, the rumble is mitigated,
but still somewhat present. Is it possible that my spindle nut is a hair
loose and is only apparent at higher speeds? Unbalanced drive shaft or a
stub axle problem was my other thought, but it really seems to come from
that front R side. Anyone want to lean out the window and put their ear to
the handle of a BA screwdriver and see where the vibration is coming from?
Any thoughts are welcome.
>
> Issue number two is an unusual amount of exhaust smoke when I'm coasting
at 2500+ rpms. In my rear view mirror I see white exhaust smoke coming out
and when I depress the accel. pedal again, a puff of white smoke comes out
and everything is back to normal. I know I'm risking getting the response
of having to pull the engine and rebuild it all, but I guess I needed a
winter project to budget and schedule. Thanks for the help on number two,
as well.
>
> Andy
> CD6521L
> Working on the Triumph tan now that the sun is finally shining.
> Baltimore, MD
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