why not fram? just curious
I like the wix #51085 over the wix/napa gold #51068.I am going to try and get a napa gold filter # 1068 and then 5.5 to 6 quarts of Castrol 10W30 or Valvoline standard petroleum oil.
Well the original Toyota filter with the cloth media that came with the car 26 years ago is no longer available.Eric, I am surprize to see you asking about oil filter for your car...
You wanted an original car so much, so stay with Toyota filters,
for all the good reasons !
Oh I don't know... Perhaps that they've been around for along time, spent MILLIONS on engine Research and Development, and have a filter that's designed specifically to meet the pressure/viscosity/and filtration requirements of said engines.Again, what does Toyota know about filters? I will be at a Toyota dealer tomorrow and will ask about them, maybe I'll buy a couple.
The 90915-YZZD1 is the smaller "correct" filter for 7M's and 2J's(?) However I run the 90915-YZZD3 because it has about 20% more capacity as well as 20% more filtration surface. OH yeah I run DUAL filters in Parallel, so I have that's right 2x 1.2 (stock filtration surface) = approx 2.5x the amount of filtration surface and also added capacity.somethinsomething...D1 is the toyota filter I have used on my 7m car for a while now. I think it's spec'd for the 1uz ls400 and such cars. I run the napa gold part number you referenced before on my celica and other supras, and would suggest it to anyone.
...and use castrol high mileage 10w30, it keeps those old valve seals soft.
Even though I have roller cams (changed from flat tappet) in both my Oldsmobile motors - I have heard enough horror stories about camshaft failure for these very reasons you state. For my Silver Trans Am with the race spec motor I use Joe Gibbs Hot Rod Oil (synthetic, 15W50). With a K & N oil filter the oil change is almost $100 (7 quart oil pan) :eekfacepalm:Phil, I understand that concern and people were all up in arms about it on the 300/SRT forums that I visit a year ago when they phased out the type SM oils and people were stocking up like the end of the civilization was right around the corner. But it's my understanding that zinc/phosphorous in higher amounts is really only vital cars with flat tappet camshafts and solid lifters versus most modern setups with hydraulic lifters. Supposedly the new additive packages compensate for lower zinc levels...well that's what they tell us anyway. It's also mentioned that short change intervals around 3000 miles make worrying about things like this almost pointless anyway.
40 PSI will be sensed on all external parts of all the filters ( 1 or 2 in your case)Can someone that's not as confused about hydraulics at the moment clarify if:
40psi @ 1 filters' filtration surface area = 40psi, however if you double the surface area (2x filters) would that halve the PSI exerted over that filtration area? Or would it simply increase the area over which 40 psi is exerted...
Ahh I see...40 PSI will be sensed on all external parts of all the filters ( 1 or 2 in your case)
The running pressure will affect the casing, and the flow will affect the filtering media, depending of cleaniess.
A filter will have ideally 0 PSI loss, but it always have some delta P. The dirtier it gets , the more pressure loss across the input vs output.
When it get dirty, and the pump put up the 40 PSI, and the filter is so dirty that it restrict the flow, then there is a delta PSI on the media, which can tear.