I'm contemplating running the larger truck filter on my car and using a even six quarts on oil change. My concern is how low does the filter go pass the oil pan is it in danger and being hit on speed bumps or anything if that sort?also filter pns would be greatly appreciated thanks.

 

I'm running the Wix 51522 truck filter and it hangs about 1/4" below the pan. If you have LT headers they'll scrape long before the filter does.

 

Unless you drive your car on back county roads, you should be fine running the longer filters. It is maybe 1 cm lower than the oil pan, if I remember correctly. If you're coming that close to damaging the longer filter, I'd be more worried about cracking your oil pan on a bump. I digress, you should be ok running the longer filters. I believe the part number for the Wix longer filter is 51522.

 

Why take the chance. Run 6 quarts with the car filter. Risk vs. Reward applies here.

 

The oil filter is not far from the centerline of the front wheels. Speed bumps should not be a huge concern, only a raised section the fits between the tires. If memory serves the K-member is lower than the pan just before that, and will likely take most of the hit. Been running longer filters for years with no issue.

 

I have been running the truck filter for a couple years. The car is lowered and the headers will drag before hitting the filter. Never seen any type marks or scrapping on the filter.

 

Next to nothing to gain is the point. Why risk it?

 

ALWAYS ran the 51522 on my car. Never even a rock ding in it, and we all know how bad the roads are in Louisiana. Extra filter media = extra protection.

 

You're recommending overfilling the sump??

 

And of course guys, this is the INTERNAL section-cranks, rods, pistons, etc.

This belongs in the EXTERNAL section.

 

My 02 WS6 takes the corvette filter. Found that out the hard way after buying two oil filters made for my make/model and having to return them because they wouldn't screw in. Looked at the one that came out of it, looked up the part number, and realized it's the Vetter filter.

 

I use a Hummer H3 oil pan on my swap which will only accept the newer thread size filters and there is not an "extended" filter available.

I still run 6 quarts and have for years after reading lots of advice on here, especially in the road race section. IIRC someone checked and found the sump is not overfilled until near or over the 7qt mark. An extra .5 qt or less isn't hurting anything, especially with an upgraded oil pump.

 

Well now that depends on your exact definition of overfill. If by overfill you mean above manufacturers recommendation then yes, please overfill your oil. If by overfill you mean filling so high until you get crank aeration of oil, then no. My recommendation is an overfill of manufacturers recommendation, nothing more. There comes a point from a performance standpoint the extra oil is beneficial. Also, its extremely debatable whether the extra 1/4 filter will ever have any appreciable advantage on a vehicle whose maintenance intervals are reasonable. For all those who have had good luck, fantastic. But it only takes on tiny hole to change your mind forever. There is a reason they chose to encompass the stock filter with an oil pan shield.

 

That I agree with... Completely. But after doing and running it for several years, and seeing that not only my K member, but my entire exhaust, headers to I pipe was lower than the filter... Well, that fear went away.

And to agree with your other point, I always fill the oil filter before install, and usually used 6qts as well. A ported pump, be it HP or HV... I'd rather the bit of piece of mind rather than suck the pan dry. Same reason some folks choose to drill their lifter trays, but that's for another discussion another day.

 

I am willing to bet the majority of people on this site change their oil at a severely premature interval that the filter wouldn't make much difference.

I for one changed my oil at least 4 times last year. That's 4 changes of full synthetic and good filters for 6500 miles of driving. (I do it because the car gets a good number of starts and stops without reaching full operating temp and is raced or run through it's paces nearly every time it is driven)

 

I wouldn't worry about it hanging down. Many swap vehicles have to have the pan itself hanging down below the k member, myself included. You'll be fine.

With the frequency that most people around here change there oil I don't think I would worry about a bigger filter. Will it hurt? no. But if your filling your filter up with that much crap between oil changes that you need a bigger filter, you have other issues.

 

I've used the long filter since my first oil change in 2001, never had a problem.

Delco PF-61, Wix 51522, or NAPA 1522

 

This is odd. The '02 Firebird and Corvette take the same filter.

What year Corvette filter do you need to use?

I suppose that little bit more won't hurt. I'm just concerned of the oil level running into the crank.

A larger filter is always better, I never use a small stock filter.

My car is slightly dropped and never hit the can.

Yep. I've been pre-filling filters since the early 80's. I HATE that first four seconds of running time letting the filter fill. Air in oil=bad.

I dispute this. Fresh oil or old, combustion by-products that become junk in the oil is always happening. The filter is capturing a steady amount of dirt at all times.

I change my oil & filter when the oil looks dirty on the stick. On my DD Cheby Blazer, this is about 2,000~2,500 miles.

Seriously, if the oil is dirty but the interval recommendation says it's good for another 1,500 miles, is it wise to follow the recommendation?

It's not like the stuff's expensive: 6 quarts of QC on sale & a M1 extended filter is like 55 bucks.

"My tires are bald but I'm not changing them because it's maker says they're good for another 5,000 miles"

 

I send mine to Blackstone Labs and get it analyzed when it hits 25% oil life remaining.

 

Paul Bell, My 02 WS6 takes the AC Delco PF 48 and not the AC Delco PF 46. Here is a thread I made a long time ago about it.

https://ls1tech.com/forums/generatio...il-filter.html