John,
Are you referring to the hole in the cylinder head or the pedestal? I
was asking about the threads in the pedestal which are a straight
thread. The cylinder head threads are tapered, probably 1/8 NPT as you
say. The same threads in the 100's cylinder head are straight.
Cheers,
Bob Haskell
AHCA 3000 Mk I registrar
http://www.ciahc.org/registry_3000mk1.php
On 12/21/2014 05:01 PM, John Rowe wrote:
> IIRC the thread is 1/8"NPT27 (National Pipe). There is usually a tap hidden
> in most kits that you buy
> Cheers
> John Rowe
> Qld Australia BN1 BT&
>
> -----Original Message-----
> From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Bob
> Haskell
> Sent: Monday, 22 December 2014 1:13 AM
> To: Forum
> Subject: [Healeys] 6 cylinder rocker arm shaft pedestal
>
> Listers,
>
> The threaded hole in the rocker arm pedestal for the oil banjo bolt fitted
> to the 100 is 3/8 BSF. What's the thread for the 6 cylinder version? I
> would have thought 3/8 UNF or 3/8 BSC. The new part from Moss/AH Spares is
> something like 0.38-28.
>
> Cheers,
>
> Bob Haskell
> AHCA 3000 Mk I registrar
> http://www.ciahc.org/registry_3000mk1.php
>
>
> -----
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