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HPL 10W50 it is. Group IV/V, high HTHS, looks good for cold temp performance, and has an excellent KV100. Decently priced too. Also need to order some of the 10W20 for a friend's Honda Fit. Will order tomorrow because next oil change will be soon. Only thing I was reluctant about with special...

It looks like an excellent oil. My only concern is with difficulty of having to special order it given the frequency at which the oil has to be changed. The EA81 I used to own in an 83 Brat was quite a bit less harsh on oil, but it was a near stock, lower revving engine. While this shorter...

Actual clearances are unknown. Engine was built in Japan in the 1980s. I took partially apart to inspect, looked good inside but didn't want to split the case and get that deep into it. It's a race engine, not intended to go into a street car, likely not intended to be run in cold weather. It...

Here are the oil pressures with new oil and old oil: New 5w50: idle 25-30, 3000 50, 6500 70. Old 5w50 5000 mi: idle 8-10, 3000 30-35, 6500 55-65. When the oil is changed the pressures go right back to where they were before. Engine is in good condition, clearances are just set beyond what would...

1. It fuel dilutes about as much as a typical carbureted engine, which is to say not excessively, I think the main problem is shear and heat degrading the oil. It's already about the leanest it will go without sacrificing power or starting to ping. 2. There is no upgraded oil pump, I already...

The one thing that's different, is that the top of that thing you can see, is white plastic. I've never seen anything like it before. Not super clear in the picture, but that's definitely what it is. Not sheet metal. Seen the coil spring bypasses before, both the Purolator and Premium Guard...

I followed the recommendation for Mobil. 1 EP for my mother's new car, or will when it arrives this week. Found out from that thread that there appears to be nothing special, or worth the price, about Ravenol DXG specifically. Also wanted to see if anyone had any advice on that engine, but it...

Oil undercoating yearly, frequent washing, every couple days in the winter. Some small rust spots that need to be fixed, but nothing major, and nothing that hasn't been there for years. Also application of CRC Zinc-it on areas where the corrosion protection is gone. I have tried 10W60, the Total...

I have been a big fan of the Premium Guard filters, especially the XLs for a while now. Quality construction and most importantly for me a silicone gasket. Prevents blowouts in winter with 5W50/10W50 oil. Ever since the old style Ford Racing FL820 with the blue silicone gasket was replaced with...

My daily driver is a 79 Subaru DL with an EA71S engine swapped in. That is a 1.6l flat 4, pushrod engine, high compression (12:1-13:1ish), low tension rings, naturally aspirated, gear drive cam, long cam duration (around 305/305 advertised). Powerband is around 4000-6700 RPM, cruising RPM is...

I will be sure to cut this one open when I am done with it, I am curious myself as I have never seen a bypass that looks anything like the one in this filter. Maybe I will use it next oil change as it hasn't gotten into the super cold months where I really need to use a silicone gasketed filter...

I looked through some CAT catalogs I have, and I did happen to find some efficiency charts for the Advanced filter media in comparison to the Standard filter media. 1R-0713 was not even listed in the catalog, but assuming that the filter media is the same between the 1R-0713 and 1R-1807 and...

Figured that it probably wasn't anything special. The main reason I got it is the thick can is less likely to get dented being hit by pebbles on the highway (oil filter is right on the front of the engine. Although when you look at some of the Mercury filters that it crosses to they say...

Does anyone know any efficiency specs for this filter. 3208 natural oil filter, but that is not what this one is being used for. It's for a friend's Oldsmobile 5.7 diesel, that has an oil filter adapter stud installed (13/16-16 to 1 1/8-16). The original PH11/PH25 oil filters are hard to find...

So I bought this oil filter at West Marine last time I was there getting some Starcool (propylene glycol coolant). Wasn't really any more expensive than your typical PH2 style filter, and I was intrigued by the box saying 10 microns, when every other box said 20 microns. Nice thick can, nitrile...

Here are a couple more pictures of a USED belt that I managed to find. And a comparison picture to a deteriorated Peugeot belt. The GM/Continental belt came out of a 2020 Buick Encore GX by the way, with 35K miles. The Peugeot belt not sure but it is one of the later versions, post 2018, so...

Maybe there are just less oils available where I am. And not every sale shows up at my local AAP. They only have 2-3 employees anyway. However, for me at NAPA, this oil goes on sale every other month or something like that for $6.99. I use it in one of my friends' Honda Fit (2008,1.5NA) in the...

It's not necessarily about the emissions protection part of the oil, although that is helpful, just means that it's lower sulfated ash. Won't poison the catalytic converter as quickly if it burns a little oil. That is not the reason I recommended it. The manufacturer certifications that this oil...

In that case the ESP X2 would be my choice. Correct viscosity, API SP rated, along with ACEA C5, VW 508/509, Porsche C20, Dexos D, MB229.71. A lot of good approvals, reasonably priced, and easily available. At this point every auto parts store I have walked into has it, as well as Walmart...

What makes it easy in the case of the Subaru is how generic everything is. And the fact that it's carbureted with electronic ignition. Basically anything from that time period can be made to work. On a fuel injected car the same could be done, just a bit more difficult and would likely require...