Quote:
Originally Posted by SFV1LE
I believe they discontinued the PF64 and these are getting hard to find as remaining stock is depleted, if that's true there must be a replacement right?
If it isnt the UPF64 R what is it? No correct filter for C6 ZL1?
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That’s interesting.
So this may be a bigger deal than I thought.
Again, GM’s very own system said use this filter. The dealer had 1 PF64, but 10 of these in stock.
Perhaps they want a higher/ or lower, cracking pressure? He referred to it in the system as “performance” filter. So I went with that.
Add: I will report what’s on the car when I change the oil. Perhaps GM is using these out of the factory now? Maybe others with recent 21’s can report what there’s were.
Damn my curiosity is stoked now.