[Tigers] 90 degree oil filter adaptor

Terry Lawell tlawell at austin.rr.com
Sat Jul 3 16:49:21 MDT 2021


I agree with you, but this is an original 260 and all of the tools to 
remove the fittings were matched whitworth sizes and the replacement 
part is a BSP 1/4 thread.

Terry


On 7/3/21, 5:31 PM, Theo Smit wrote:
> The block was threaded 1/4 NPT on the three or four engines I’ve dealt 
> with. None of them were the original 260 but I don’t know why Ford 
> would have threaded that engine differently.
>
> Theo
>
>> On Jul 3, 2021, at 4:16 PM, Terry Lawell via Tigers 
>> <tigers at autox.team.net> wrote:
>>
>>  Actually, I think it is a BSP 1/4 which is quite different from a 
>> 1/4 npt. That is what I am trying to clarify.
>>
>> Terry
>>
>>
>> On 7/3/21, 3:42 PM, coolvt at aol.com wrote:
>>> Terry, pretty sure that oil fitting that goes into the block is 
>>> 1/4"  good old American standard pipe thread.  Hope you don't have a 
>>> problem because I think the fitting should have come out fairly 
>>> easily.  Mark L
>>>
>>> In a message dated 7/3/2021 3:41:39 PM Eastern Standard Time, 
>>> tlawell at austin.rr.com writes:
>>> Hi Ron,
>>>
>>>   It turns out Summit had the right adapter for the kit, the sales
>>> person just didn't know it. They have sent the adapter to me and it 
>>> fits
>>> correctly in the block as well as in the kit. The only problem was the
>>> oil filter they sent me was incorrect - it hits up against the oil pan.
>>> Is it the ph3600 that is slimmer and fits that kit?
>>>   I also found another problem - the oil line from the oil pressure
>>> gauge was cracked and leaking. when I disconnected the oil line 
>>> fitting,
>>> I also took off the fitting that goes into the block. It was very
>>> difficult to get off and I am concerned that someone either put a
>>> fitting in there with the wrong threads or stripped the threads when
>>> they installed it. Do you know what size those threads are? It appears
>>> to be a british standard pipe thread. I had to use whitworth 
>>> wrenches to
>>> get both the pressure fitting nut and the fitting to the block off. Any
>>> info on these fittings would be much appreciated.
>>>
>>> Cheers, Terry
>>>
>>>
>>> On 7/3/21, 7:45 AM, Ron Fraser wrote:
>>> > Terry
>>> >     1st -  I would contact Summit to make sure that oil filter kit did
>>> > not come with an adaptor or if it is missing from your kit.
>>> > 2nd -  does Summit have the adaptor needed for this kit?
>>> >
>>> > C20Z 6890-C seems to be the Ford part number for the adaptor - 3/4 x16
>>> > thread and 1 1/16 x 12 thread
>>> > You need to check that this is correct for your oil filter kit.
>>> >
>>> > 
>>> https://www.npdlink.com/search/products?search_terms=fitting%2Boil%2Bfilter&
>>> > top_parent=200001&year=
>>> >
>>> > see if 6890-A is the part you need.
>>> >
>>> > Ron Fraser
>>> >
>>> > -----Original Message-----
>>> > From: Tigers <tigers-bounces at autox.team.net 
>>> <mailto:tigers-bounces at autox.team.net>> On Behalf Of Terry Lawell via
>>> > Tigers
>>> > Sent: Thursday, July 01, 2021 8:34 PM
>>> > To: tigers at autox.team.net <mailto:tigers at autox.team.net>
>>> > Subject: [Tigers] 90 degree oil filter adaptor
>>> >
>>> > I purchased a 90 degree oil filter adapter from Summit Racing and 
>>> when it
>>> > arrived I realized it did not have the adapter for the block, 
>>> though the
>>> > salesman told me it came with it. Does anyone know where I can get the
>>> > adapter? I think it is 1.16" threads to the block and 13/16" 
>>> threads to the
>>> > adapter.
>>> >
>>> > Cheers, Terry
>>> > _______________________________________________
>>> >
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>>> >
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>>> >
>>> >
>>>
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>>

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