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Subject: pre61-list-digest V3 #341
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pre61-list-digest Tuesday, November 23 1999 Volume 03 : Number 341



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Ford Truck Enthusiasts - 1948 - 1948 truck and vans
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In this issue:

FTE Pre61 - Re:Y-Blocks
Re: FTE Pre61 - Y-Blocks
FTE Pre61 - Little holes in dash

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Date: Mon, 22 Nov 1999 08:25:43 -0800 (PST)
From: Dan Lee
Subject: FTE Pre61 - Re:Y-Blocks

If you are using a lot of oil it is either
leaking(spots on the driveway), or have blow by
(clouds of smoke coming from the breather), or have
bad valve seals (blue smoke from the exhaust,
particularly under high vacuum conditions) or your oil
returns in your heads are blocked (blue smoke similar
to valve seals). Blocked oil returns is common in Y
blocks. Just remove the covers and the rockers and
clean up the heads as much as possible. You can
replace the valve stem seal umbrellas by pressurizing
the cylinder through the spark plug hole and removing
the valve spring. If this doesn't solve the problem
you will have to remove the heads and get a valve job.

Dan Lee
'53 F100
400C-4V


>Date: Sun, 21 Nov 1999 22:16:09 ESTFrom:
>Dpb289 aol.com
>Subject: FTE Pre61 - Y-Blocks
>This is my first time using this email address. Does
>anyone workextensively
>with Y-Blocks out there? I have a 1954 F100 239 Y8.
>It carries about30lbs
>oil pressure at idle and approx. 60 when rev'd
>slightly. However, ituses a
>tremendous amount of oil. I think that it is the
>valve seals. Wherecan I
>find these and can I do this without taking off the
>heads? Any adviceis
>appreciated.Thanksdpb

__________________________________________________
Do You Yahoo!?
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Date: Mon, 22 Nov 1999 13:02:50 -0500
From: 47Fred
Subject: Re: FTE Pre61 - Y-Blocks

Dpb289 aol.com wrote:

> I have a 1954 F100 239 Y8. It carries about 30lbs
> oil pressure at idle and approx. 60 when rev'd slightly. However, it uses a
> tremendous amount of oil. I think that it is the valve seals. Where can I
> find these and can I do this without taking off the heads?

In general, oil loss can be isolated by using these rules: Oil all
over the place, oil leak: clouds of smoke driving & idling, bad rings;
no sign of liquid oil & little smoke, bad valves. The seals used are
umbrella type, and they can be replaced without removing the head by
using a special spring compressor, and great care not to drop a valve
into the cylinder. Some people use air to hold the valves shut, but I
have found this harmful to your health when the motor suddenly spins. A
better way is to stuff a soft rope into the combustion chamber and turn
the crank to compress it against the valves, However, unless the old
seals are completely gone (like missing) it is unlikely huge quantities
are passing. There is a good chance the guides are shot for which you do
have to pull the heads.

47 Fred
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Date: Mon, 22 Nov 1999 19:24:18 -0500
From: David Hersman
Subject: FTE Pre61 - Little holes in dash

Your are probably right about the lack of documentation concerning electric
wipers on a 51 F-1. However, mine appeared to be an original. It was no
hodge-podge installation. These two hole are the same size, maybe 3 - 4 inches
apart, near the middle, and perhaps 4 inches from the glass. I have seen such
holes on several trucks. Maybe the electric wipers were some after market kit
from
those days.

I'd go take a look for a better description, but the truck is in West Virginia,
and I am in Papua New Guinea!

David


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End of pre61-list-digest V3 #341
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