[Healeys] Motor Mout Bolts

[Michael Salter]

The parts book indicates that they are HZS0608 (zinc plated hex head 3/8"
diameter 1 1/4" long UNF) with no mention of a change.
They are UNF on body #174.
M

On Sun, May 10, 2020 at 11:51 AM Curtis Arndt <cnaarndt at gmail.com> wrote:

> They are UNF on my BN1 built 11 Jan. '55.  If they ever were BSF, it was
> very early in BN1 production.
>
> On Sat, May 9, 2020, 16:54 Perry via Healeys <healeys at autox.team.net>
> wrote:
>
>> Michael
>>
>> There was a slow switch from BSF to UNF fasteners used and threads on
>> some parts starting about mid 1954 through the end of 1955 at several
>> locations on the 100. However I can not speak to the engine mount to
>> chassis fasteners.
>>
>> Its one of those areas of the car that if I ended up with damage to the
>> welded nut threads that could not be cleaned up with a tap I would do what
>> was necessary to secure the engine mount short of replacing the welded nut.
>>
>> Perry
>>
>>
>>
>> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
>> Windows 10
>>
>>
>>
>> *From: *Michael MacLean <rrengineer.mike at att.net>
>> *Sent: *Saturday, May 9, 2020 5:14 PM
>> *To: *Healeys <healeys at autox.team.net>
>> *Subject: *[Healeys] Motor Mout Bolts
>>
>>
>>
>> Are the bolts that fasten the motor mounts to the frame different threads
>> between the BN1 and the BN2?
>>
>> Mike MacLean
>>
>> Sent from AT&T Yahoo Mail on Android
>> <https://go.onelink.me/107872968?pid=InProduct&c=Global_Internal_YGrowth_AndroidEmailSig__AndroidUsers&af_wl=ym&af_sub1=Internal&af_sub2=Global_YGrowth&af_sub3=EmailSignature>
>>
>>
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