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Oil Line Fitting Size


Best Answer Ethel , 22 April 2025 - 11:07 PM

Turbo was the same

 

They were 5/8unf into the block & 1/4npt into the filter. On 90's cars they used 11/16unf both ends

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#1 croc7

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Posted 22 April 2025 - 10:34 PM

A friend who is building my engine ran into a problem, apparently the oil fitting size for the line from the oil filter housing into the block is a different size on a turbo block as compared to a non turbo block.  Any idea what size that would be?  Source for an adapter?


Edited by croc7, 22 April 2025 - 10:42 PM.


#2 Ethel

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Posted 22 April 2025 - 11:07 PM   Best Answer

Turbo was the same

 

They were 5/8unf into the block & 1/4npt into the filter. On 90's cars they used 11/16unf both ends



#3 nicklouse

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Posted 22 April 2025 - 11:18 PM

As mentioned turbo or no turbo they are the same. It is the year that has the change.

 

mini spares and others give it with the transfer pipes and cooler hoses but I think it was about 1992.



#4 croc7

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Posted 23 April 2025 - 04:40 AM

Thanks all



#5 mab01uk

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Posted 23 April 2025 - 09:03 AM

Minispares list the options of filter/block sizes for Transfer Pipe kits here:-

https://www.minispar...h-early-housing


Edited by mab01uk, 23 April 2025 - 09:03 AM.





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