bosch premium or mobil 1?

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qb][/QUOTE]Yes I do have GM auto[vette] so I assume from your post I don't need the bypass valve anyway! So, I think I better choose a different filter! M1 I suppose![/QB][/QUOTE]
Well, the M1s have a bypass. But in order for your GM to work properly, you have to use a spec GM filter. If you have a filter that gets a little plugged, it will probably want to go into bypass before the system bypass operates. What then, if there is no bypass in the filter? Will the pressure blow through the filter? I'm not sure how that is supposed to work; I think I'd rather have the Ford system with filter bypass.
Mike
 
quote:
Originally posted by Al:
Most GM filters (Delco PF-47/52 or equal) don't have the bypass valve. Possibly some brands do. I know SuperTech, Mobil 1, K&N don't. Make sure you don't have one if you have a GM.

Also I believe some engines require a top mounted bypass valve. I believe the 2L Ford engine does. Also-someone said they noticed that SuperTech filters were going with the top mounted Bypass valves. Don't take the info in this paragraph as gospel. But I think I'm correct.
Click to expand...
Which Mobil 1 filter are you referring to that doesn't have a bypass, Al? I have a lot to learn about the GMs, I see. As for Ford, I am pretty sure all the newer engines require a top-mounted bypass. Interestingly enough, the Motorcraft FL-1 which is made by Purolator is top bypassed; the equivalent Purolator has the bypass on the bottom.
Mike

[ January 05, 2003, 12:06 PM: Message edited by: Mike Thompson ]
 
Mike, it might sound like overkill, but others on here have made some good points in other threads, and that is that with cold temps, thicker oil and harder driving, you want to be sure the filter can flow as much as it can. So even if 16GPM is way overkill, it works better under the most extreme conditions.

And K&Ns specs sound good to me, being 90% efficient at 10 microns in the multipass test.
 
quote:
Originally posted by Mike Thompson:
I belong to a half-dozen groups, and this is the only one where the group can have a detailed discussion, disagreement or not, and have no flaming/unpleasantness, even though there may be some special interests involved. So refreshing; want to expand the group into audio, coffee, and Fords?
cheers.gif
What's the secret?
Mike
Click to expand...
It is refreshing in here! I post about oils on the f-body sites too, and just today someone attacked me on there and tried to say I know nothing about oil because I mentioned that conventional oils can show good results too. It's tiring to try and help people out only to have others go over everything you say with a microscope trying to nitpick and look for flaws.
twak.gif


[ January 05, 2003, 02:05 PM: Message edited by: Patman ]
 
Bosche vs.mobil 1

I was at autozone today. and i pick up 3 oil filter for my car. its seems that bosche is good as mobil 1. and the price is not that HIGH. Bosche was like $5.76 and Mobil 1 was $12 holy **** man.

i change my oil now a day at 2,500. since its cold out. and I run it pretty hard sometimes.

Patman. do you think its matters if i use Bosche or mobil 1? will there be a performances gain? or its just about keepin the engine running good?
 
quote:
Originally posted by Mike Thompson:


]Which Mobil 1 filter are you referring to that doesn't have a bypass, Al? I have a lot to learn about the GMs, I see. As for Ford, I am pretty sure all the newer engines require a top-mounted bypass. Interestingly enough, the Motorcraft FL-1 which is made by Purolator is top bypassed; the equivalent Purolator has the bypass on the bottom.
Mike
Click to expand...
I don't believe any of the Ford (Motorcraft) filters have a bottom bypass...
 
I belong to a half-dozen groups, and this is the only one where the group can have a detailed discussion, disagreement or not, and have no flaming/unpleasantness, even though there may be some special interests involved. So refreshing; want to expand the group into audio, coffee, and Fords?
cheers.gif
What's the secret?
Mike
 
quote:
Originally posted by Patman:
[
I'd be willing to bet that no other commonly available filter on the market outflows the K&Ns.[/QB]
Click to expand...
You are probably right, Patman. So the question is, is it required to have so much flow? The filters all have a trade-off regarding flow vs filter efficiency; where is the sweet spot? Your application will change this equation; if you are racing/high revs, the high flow will be mandatory. If you putter around town and easy freeway cruising (under say 5K rpm most of the time) then high filter efficiency may fit your needs.
Mike
 
quote:
Originally posted by Mobil 1 fan:
Bosche vs.mobil 1

I was at autozone today. and i pick up 3 oil filter for my car. its seems that bosche is good as mobil 1. and the price is not that HIGH. Bosche was like $5.76 and Mobil 1 was $12 holy **** man.

i change my oil now a day at 2,500. since its cold out. and I run it pretty hard sometimes.

Patman. do you think its matters if i use Bosche or mobil 1? will there be a performances gain? or its just about keepin the engine running good?
Click to expand...
I can't get either filter up here, but if I had the choice, I'd go Bosch Premium myself.
 
i have brought this up before. do you people notice shavings and metal particle on champion lab made oil filters? i noticed all of the oil filter brand, including ac delco, stp, supertech, mobil 1 and bosche have metal shavings that i can pick off with my fingers. i stay far and away from these filters. anybody else notice it?
 
quote:
Originally posted by CLguy:
i have brought this up before. do you people notice shavings and metal particle on champion lab made oil filters? i noticed all of the oil filter brand, including ac delco, stp, supertech, mobil 1 and bosche have metal shavings that i can pick off with my fingers. i stay far and away from these filters. anybody else notice it?
Click to expand...
Yeah, I've noticed it on a few over the years. I just wiped it off. (I've noticed it on Fram and Wix filters, too. It's not unique to Champion made filters.)
 
I have noticed these shavings on other filters. But I have never noticed them on Purolators. Unfortunately I don't use purolator. I think it is real important to pick off these chips as they go right to Mr. bearing and Mr. Cam.
crushedcar.gif

Yet another reason to avoid Jiffy Lube (IMHO)
 
This is a post I had made earlier about these shavings.

posted January 03, 2003 10:55 AM
--------------------------------------------------------------------------------
Just picked up 2 Mobil 1 oil filters (M1-206) from Autozone last night. Upon getting them home I inspected them. One of them had a lot of steel shavings in the threads. I had some other brands of filters on-hand so looked at them too. All of them were OK. Just be sure that you check any filter over before installing it.
These Mobil 1's are made by Champion Labs too.

[ January 06, 2003, 09:56 PM: Message edited by: westex39 ]
 
It must be hard for all the filter mfgs to keep the metal shavings out of their filters on the production line. I notice them on all brands, and I routinely turn a filter upside down and whack it a couple times, and inspect it inside before installing.
 
i think its safe to say the bosch is gonna be my choice for an oil filter. Considering the bosch is 98% efficient at 15 microns, i don't see it being too restrictive and it filters out just a notch below the mobil 1 for half the price.
 
i also choose bosch for my honda...honda OEM consists of a fram hahaha. i like it cause its not a highly restrictive filter and provides adequate flow....
 
I also use bosch premium. I cannot say I use it because of its flow rates or filtering ability because the only data we can get is from cutting open the filter and using common sense about its construction and filter media. From what I have read on other sites as well, I use this filter because the general consensus is the filter is functional and is priced well. I'd use super-tech for 3k intervals, but bosch seems to do very well after 6k. Oh, and the bosch filter looks nice and sleek with its black finish, even though nobody actually sees it. But I'd rather have a nice black bosch filter in plain view than say a fram or a white champ filter.
 
yeah, just changed my oil and filter. Used castrol gtx 5w20 and the bosch premium oil filter. It had no metal shavings inside(i even tapped it to make sure). Definitely a better oil filter than the stock oem fram on there
mad.gif
 
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