James,
That sounds familiar so is just what I need.
I replaced the oil pressure sender a couple of years ago and looked the purchase up in my records, but unfortunately the unit I bought came with several adapters (itself was ⅛”-27 NPT) and I don’t recall which one, if any, was used. Hopefully someone else will have the answer for you. By the way, I came across a web site in the UK, www.parts4engines.com that lists a number of 4.154 parts. Perhaps they will have the answer if no one in the group responds with it.
Thank for the quick response!
Dave Wallace
s/v Air Ops
Maramu #104
Sea of Cortex, Mx
On Feb 10, 2018, at 6:15 PM, James Alton lokiyawl2@... [amelyachtowners] <amelyachtowners@...> wrote:
> Dave,
>
> My Maramu is #220 and I am using 5/16” Teflon impregnated packing. Would anyone with a Perkins 4.154 be able to tell the thread size for the engine block oil pressure tap? I am wanting to add a mechanical oil pressure gauge.
>
> Thanks,
>
> James Alton
> SV Sueño
> Maramu #220
> Arbatax, Italy
>
>> On Feb 10, 2018, at 3:17 PM, David Wallace svairops@... [amelyachtowners] <amelyachtowners@...> wrote:
>>
>> We’re off the boat so hopefully someone in the group can answer a quick question. What size shaft packing do I need: Maramu, original shaft size and packing housing? Thanks in advance!
>>
>> Dave Wallace
>> s/v Air Ops
>> Maramu#104
>> Sea of Cortez, Mx
>>
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