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XS650, lindermant, and SWHeat: I'm wondering if the recent post by zardozfromoz on 9/7/06 under "Gas Engine Used Oil Analysis" subject "Valvoline Running In Oil, 3000km, Porsche 968, incl particle count" (8/31/06) may shed some light on this. It seems that only 15 micron particles are measured...

I missed that this is for a Neon. Same filter as my Metro. Normal P1 = PL10241 (like 3614 type) Oversize = PL20195 (like FL400s) Extra oversize = PL30001 (fatter, but fits the Metro, not sure about the Neon) Just a suggestion if changing your own oil to pre-fill the larger filter with oil before...

I use an oversize Pure One to compensate for thick oil at cold start up.

Winston, I believe your suspicions are correct that Proline filter media is different than Premium Plus. I cut open a PP for comparison and here's what I found. Code: Mfr Purolator Purolator Purolator Make Pure One Premium Plus...

Winston, Point well taken. And, even if media appears the same it may be diffrent. Eric PS: I tried to post earlier, but it didn't work.

Winston, I think I see your point. I thought I'd read somewhere that they were idential media, but I may have misunderstood and am having trouble looking this up now. I may have to open up a PP filter to compare for myself. (Probably the least I can do after making such a statement.) And, even...

92saturnsl2 Here's what I have: For color comparison, the left is a PL14612 (Pure 1) on right is PPL14459 (Proline = Premium Plus) This is a bit overexposed due to flash. The true thickness of the Proline / PP element is about .015" to .018". True thickness of Pure 1 is about .020" to .023"...

Careful Gary Allan, my head just might over inflate larger than the extra-oversize filters I plan to use.

92saturnsl2, A Pure One PL14612 I opened about a year ago has 54 pleats including the seam (otherwise its' the same as PL14610 but shorter). One difference I noticed is that the seam of the media on mine is crimped with a metal clip the entire length of the pleat (from endcap to endcap). It...

427Z06 and Gary Allan, I agree with both of you. Maybe I'll call some labs and ask how often they calibrate. I'm also curious if operator technique can alter results. I'm trying to decide how much money I want to budget for this experiment. These tests can add up to more than the cost of all the...

This site use to have info, but apparently not alive now. http://rsx.freewebpage.org/purolator_premium_plus.htm

To me the media color in your images resembles a Premium Plus (or Proline) - light tan or light brown. I don't think it's Pure One media based solely on color, unless identical media can have color variation. The old Pure One I opened has a yellower color say amber or straw color. The new P1...

I'm planning to compare several oil filters using VOA as a baseline. Besides the many variables that can skew any meaningful results, I'm concerned about: 1. Accuracy of particle counts that accompany oil analysis. 2. Variability of particle content of virgin oil. Does anyone know how reliable...

Titan, I did run a "clean out quart" (idled for 10 minutes and drained) between each oil change to keep each separate OCI as clean as possible. I estimated that the Amsoil / Syntec blend may have started out with a vis of around SUS 67 (~12cst) similar to CG, but I think it sheared down alot...

Thanks Al, I wasn't sure if moly helped prevent Aluminum wear, thought it might just be for steel. I'll keep your suggestion in mind.

EQUIPMENT MAKE / MODEL: Honda Insight, 1.0L 3-cyl OIL USE INTERVAL: 5,160 Miles TOTAL MILES: 31,513 OIL TYPE & GRADE: 2.9 qts Mixture of Havoline 5W-20, SM, GF4 (85 oz.) + VSPOT (7.5 oz.) MAKE-UP OIL ADDED: 0 qts FILTER: Honda Civic OEM (Oversize) Filtec Blackstone's Comments: ERIC: You can see...

Winston can you list out more info about particle count you got with other oil / filter / mileage combinations? Did you use M1 EP oil with K&N filter combo. on your last run? Very intersting. Thanks for spending the bucks to do the particle count.

speedtc, I called the filter hotline again and was put in touch with an engineer. My impression from our conversation was that there is little difference between the old and new Pure One oil filter media except that the new media is colored blue. I asked if the the blue color would be visible by...

Here are results from some very crude relative viscosity tests of several engine oils at four different temperatures: 108F (heated), 68F (room temp), 41F (refrigerator temp), and -1F (freezer temp). Comparative oil flow was observed and is listed in the order of greatest flow (lowest viscosity)...

TallPaul, That's my assumption from the tech's verbage, but I don't know for sure.