[Healeys] Sealants and fasteners

[gradea1 at charter.net]

Soon after I owned a Healey 100, I equipped my tool box with three
kinds of wrenches: normal SAE, Metric and BS/Whitworth. This
combination will handle any size nut or bolt on the car (oops, I also
needed a set of BA wrenches for the small stuff).
So, with all this talk of what fastener-British or American
(Unified)?...I went to the Austin Service Journal Volume 25 and have
included this info which may help you in fitting nuts and bolts to
your 100. If you use the Austin Parts List manual (#1050) you will
note that the BSF nuts and bolts and studs all have a part number
starting with 2K...for instance front engine support bolts 2K5946 and
nuts 2K3977. These are BSF fasteners. When the agreed change was made
to unified (about Sept.1954 they started using them, after first using
up all they had of British items), the part numbers became something
like HBZ0512. These are Unified Fasteners. I copied about 5 pages from
this volume-attached FYI- but you can find this whole volume 25
published on the internet.
You will note that the letters describe the size, length, thread pitch
and type of material its made of so you can replace the parts with the
exact same item. If you thread a nut onto the bolt, and it only goes
on about three threads, you probably have mixed UNF with BSF. Better
check the charts and parts book!Hank, healeyhelper.com

	-----------------------------------------From: "Steven Kingsbury via
Healeys" 
To: "rrengineer.mike at att.net"
Cc: "Healeys"
Sent: Sunday May 31 2020 8:54:04AM
Subject: Re: [Healeys] Sealants

When I put my tappet cover back on, I'm going to use "The Right Stuff"
and no gasket. A simple bead all around the cover, making sure to go
around the holes for the bolts with a touch of red lock tite on the
threads. Also, make sure you pre-install every bolt as they are
different depths in the receiving holes. I thought I had it right, but
then I had to move a few around to get them to go in the correct
amount.  I have to do it again, (long story), but this time the engine
will be out, I will take my time and I am now fore armed with the
information. Best of luck! Steven KingsburyBN1 on the way to recovery.
On May 31, 2020 at 2:01 AM, Michael MacLean  wrote:

Finally got the Denis Welch tappets today after almost an entire
month. Woohoo. Now comes the part where I button up this side of the
engine. Where are the most leaks on this side of the engine? What
should I use on the gasket for the tappet cover to seal it? How about
the angle drive? Seal that or just crank it down OK? Once this engine
is together I would like to not have to take it apart again for
leaks.Mike MacLean

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