Speedthrill

Went to get oil and filter to do first oil change on my 2010 Grand Sport with dry sump. Book shows AC Delco UPF-48R as filter to use. Went to my usual parts place....they didn't show a UPF-48R....just a UPF-48. Said they are a major AC Delco distributor but had no record of the 48R.

Ended up grabbing a K&N HP-1017 oil filter, as it was listed for Z06 with dry sump. Can someone just confirm 100% this is the right filter for me? Is the UPF-48R still made or changed part number? I was searching on my phone in the store and seeing that AC Delco part number being unavailable on some websites.

Thanks!

geno01

I think I read somewhere that the UPF 48 was used in the early ZO6. The UPF48R was used in the ZR1. Its a black filter. Supposed to be a stronger filter so it can hold up to the extra oil pressure. I use The UPF 48 in my ZO6 because that's what was in it when I changed the oil.

Homer3D

Yes this is the correct filter for your 2010 Grand Sport with dry sump.

ruxvette

You need a new parts house!
Amazon...
ACDelco UPF48R Specialty Ultraguard Engine Oil Filter $10.47

Speedthrill

Guess so. Weird.

Turbo6TA

And the PF48E costs $3.97

Do you think that the UPF48R is over 2 1/2 times as good as the PF48E, since it costs 2 1/2 times as much ?

ruxvette

As I understand it the E denotes a much cheaper quality filter. If cheap is what you're looking for try a Franz toilet paper filter.

dr_gallup

At least 2.5 times as good. The E is a cheap POS I would not put on anything and certainly not a dry sump LS3 with it's very high oil pressure on cold start.

Sky High

The Delco UPF48R is the correct filter for the dry sump oil system. That's what came off my '13 GS from the factory after my first oil change and I bought my GS new.

JoesC5

Pick up either a Mobil1 M1-113 or a K&N HP-1017 at your parts store. They are a premium filter(heavy duty construction with thicker walls and end plate) and are the same as the ACDelco UPF48R.

JoesC5

From 2006 through the early 2009's the Z06 came from the factory with a PF48 oil filter. The LS7 has more oil pressure than the LS3. In 2009, GM started using the UPF48R(a new filter for them) on the ZR1 and they then started using the UPF48R on the Z06 and later on the dry sump LS3(as they all were built in Wixom) to standardize on one filter installed at Wixom.

The LS3's that had a wet sump have the same oil pressure as the dry sump LS3's and retained the PF48 oil filter as they were built in another plant.

There were over 22,000 Z06's that came from Bowling Green with PF48's installed and none of them had a filter failure. If there had been a problem GM would have issued a notice to their dealers(and owners) to not use the PF48 and to use the UPF48R on all those 2006 through early 2009 Z06's. GM never did as there was never a problem with bursting PF48 oil filters.

I have an early build 2009 Z06(built June 2008) and it came with a PF48. I change my oil and have always used either the Mobil1 M1-113 or the K&N HP-1017 filters as they both are a premium filter. What I save doing my own oil changes more than pays for the extra coin that the premium filters cost.

If I wanted to save some coin then I would use the WIX 57060 filter.

tealex

The wet sump doesn't have near the oil pressure that the dry sump has, hot or cold.

KnightmareCS

No.

LMB-Z

I've been using a PF48 ever since I got my Z06, 5 years ago. Never have had a filter problem, oil leak or anything. My car also makes 525 rwhp. Call me cheap or whatever. I will keep using it.

Turbo6TA

The problem right now is (at least for me) ... I can't find any PF48 filters to buy anymore since they have been discontinued.

They have been replaced by the PF48E

Sky High

The oil gauge stays buried on my GS for a while after start up. My wet sump LS-3 never did that.

JoesC5

Is your GS a dry sump or wet sump?

What does the oil pressure gauge read? 0-80 or 0-100?

pickleseimer

UPF48R available from Rock Auto right now, $7.54

0subchev

You do want the correct filter for your car, Trunk Monkey Parts here to help you out

UPF48R OIL FILTER ULTRAGUARD GOLD - LS7, LS9, LS3 DRY SUMP - GM (12626224)

Sky High

My '13 GS is a dry sump. Gauge is 0-80. When I start it in the morning especially after a chilly night that sucker stays buried on 80 for a while. Even as it's warming up when I give it just a little gas to get going that gauge goes right back to 80. When it is fully warmed up it sits around 38-40 at idle and consistently hits the 80 under medium to hard acceleration. I don't remember my '12 base coupe ever doing those numbers.