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Holy cow, that brought back some memories. Ahh, to be 16 again.

The "0W" simply means that the oil had less than the required viscosity at -40*C to be labeled as a "0W". It infers nothing about the 0*C viscosity. For the complete ranges, see: http://www.tribology-abc.com/abc/viscosity.htm

Well, the straight 30 and 5w30 cost the same. They have the same Flash points, but look at the HT/HS and NOAK: 30: HT/HS=5, NOAK=1.5% 5w30: HT/HS=3.8, NOAK=9% It also has a vis index that rivals many dino 10w30 oils so I know it can handle the TX winter just fine. If ever I was to mail-order...

Do you really think your engine will support more than 3gpm flow? If not, then the flow differences between the filters are nil. I'd bet a nickel that at 6000 RPM, the oil flow in 99% of the engines is less than 3 gpm.

Just before I was leaving this site today, I thought about the 3MP tests thinking that it was past due for the Amsoil 2k report. I went through the UOAs and didn't find it. I then did a search and found some threads that no longer exist. Are there any new forum rules which forbids posting about...

Pick any oil and plug in the Vis@100C and Viscosity index. Then have it calculate the Vis@40C and compare that to the spec sheet.

The calculated Vis is Kinematic (mm2/s) @ temp °C, while the other is Cranking (mPa.s)max at temp °C. I guess my question would be how are the two related, if at all?

Molekule, yes, the question was loaded. Here is my logic as to why I beleive this oil is acceptable for startup in my climate: This oil is thinner than the 15W-X oils all the time (where I live) and I've seen many 15W-X reccomendations on this board for climates that are similar. So I'm going...

I'm a little dissapointed this thread is not getting much attention. I wonder how many responses I would have gotten if I found a 10w30 dino oil with the same Flash and Zn? I guess many can't get over the "straight" labling. I completely don't understand how a 15W40 can be recommended as much...

In my search for a dyno oil for my '69 small block chevy, I stumbled on this oil with specs: http://www.76lubricants.com/techdata/crankcase/custom9.pdf What really caught my attention was: Zinc: .138% (Does this mean 1380 ppm?) Flash point: 510F VI: 114 (excellent for a straight weight dino)...

I disagree with Jelly about using HDMO in a gasser. The HDMO ash levels are typically between 1.3% - 1.5%. The gasser oils are in the .7% - 1.2%. IMHO, that is a big difference for a car that burns oil. I would NOT be concerned if it burned considerably less oil. For instance, let's take...

This thread has taken a big OT turn, but I'll join in anyway. The RX-8 is NOT a replacement for the RX-7. It's a completely different car aimed at a slightly different market, not to mention it is only a fraction of what a '95 RX-7 cost (not even considering inflation). I'd love one, especially...

First, all of my opinions are mine and are based on how I think logically. I tend to question a lot with oil filters. This is probably due to the large amount of unknown (unproven, untested, etc) characteristics of oil filters. Bob, I agree that it is possible for flow to be restricted...

This has bothered me much with all of the talk about restrictive filters vs. high flow filters. First, I believe we all agree that the oil pump is a positive displacement pump, so it will pump the same amount of oil regardless of the restriction. This oil will go to either: 1) Oil filter 2) Oil...

This is a hydrolic clutch, right? If so, you would not feel anything on the clutch pedal it self. It sounds to me like your TO bearing is making contact with the clutch fingers while the clutch pedal is all the way out. I'd try adjusting the clutch, although some are "self adjusting", but at...

Here is my understanding of what a leakdown test is: Air is pumped from the air compressor to a pressure regulator (with a gauge), then through a restriction, then through a pressure gauge, then into the cylinder via the spark plug hole. The % leakdown is the difference between the regulator...

You guys crack me up. Your oil pump is pumping the same amount of oil with either filter. That oil is either going to go through the engine (via the filter media or bypass valve) or bypass back to the sump. No way is that going to make your engine "more free".

While I don't think it is "bad" (we are talking SL oils here, right?), I also don't think it is "ideal". Yes, the ash content is usually higher in diesel oil which results in more deposits left in the combustion chamber when burnt. [ August 26, 2003, 02:23 PM: Message edited by: Chris A ]

Remember Bob, all I was asking was your "proof" that a more restrictive filter causes more wear than one that has better flow. Also, this IS the oil filter section and I would have been happy to reply to your other thread if I was interested in discussing the oil side of this discussion.

Bob, I don't have any interest in the min vs part syn testing, nor do I have any comments about it. I'm somewhat interested in the restrictive-filter-causes-more-wear theory which I don't yet buy into.