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Is this ZZP Oil Volume Kit worth it?



I'm pretty sure the real issue the very poor casting of the stock unit on 97-03 cars.

If you going to use that L26 you bought, it already is better than a 97-03 motor, so you would not need it.
 
Ok

The block from my 2005 GP was stamped the Series 2 stamp, but the cars production date was 9/04 which is normal from what I have read.

I have this L26 block from a 2005 Buick Lacrosse and the stamp says 3800 Series.... and there is no number... is that normal?
 
My '07 L26 just said 3800, no series. But I didn't may much attention, I was to busy looking at my new aluminum oil pan suckd on the bottom of it... LOL
 




I bought one when I did my build 2 years ago. It's basically the stock spring and plunger with a washer under it to increase spring(oil) pressure. I did notice a increase in oil pressure. Holds 20lbs/in at idle
 
Actually guys, Ford stole the stamp from GM. That's why it disappeared from the block after certain years.
 
It's not a stamp, it's raised up so it's part of the mold they use to cast the blocks.


From an 06 L32:
b2066717.jpg
 
Right now with a kit I got from rockauto I see 30-40 psi at idle and almost 90 at WOT.

The kit had the oil pump, spring, and plunger.
 


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