402ci Oil Pressure Line Q - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**LockDoc** · 07-13-2019, 10:20 PM

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Here is the thread that goes with the picture SavageC20 posted.

http://67-72chevytrucks.com/vboard/s...d.php?t=638710

There is also a picture and specs on the Big Block adapter fitting for it. That is why you have the extra 16" piece on the line.

The 1/8" adapter in the picture below then screws into the BB port adapter and the compression sleeve nut on the end of your line screws into it. This fitting is the same for all GM engines. The only difference is that it screws directly into the block on the small block engines and into the port adapter on the big block engines.....

LockDoc

07-13-2019, 10:20 PM	#5
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,649	Re: 402ci Oil Pressure Line Q - Here is the thread that goes with the picture SavageC20 posted. http://67-72chevytrucks.com/vboard/s...d.php?t=638710 There is also a picture and specs on the Big Block adapter fitting for it. That is why you have the extra 16" piece on the line. The 1/8" adapter in the picture below then screws into the BB port adapter and the compression sleeve nut on the end of your line screws into it. This fitting is the same for all GM engines. The only difference is that it screws directly into the block on the small block engines and into the port adapter on the big block engines..... LockDoc Attached Images __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - Last edited by LockDoc; 07-13-2019 at 10:36 PM.



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