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thanks! i ended up getting the mobil1 for the valvooline sale price.

again, just for general comparison of the 2... you know, like how the VOA section here has hundreds of voa's posted for members to be capable of divining which oil is better?? :unsure:

thanks for the input, i know its mostly opinion based & both are great products that will work fine. i was more curious if anyone knew for example if mobil1 has more anti wear additives vs the valvoline. mobil1 is usually $14/qt at this store & valvoline is $10, on sale for 7.99. i will probably...

uh, a VOA would show what additives each one has, just for a general comparison, you know, like the "VOA" subsection on here does? most members here dont just flip a coin...

tried searching for current voa's on these 2 but didnt find much. which brand is the better one? im a valvoline user & found it on sale but they are out of stock, the store offered the mobil 1 at the same sale price. mobil 1 is quite a bit more expensive & i assume its the "better" brand... just...

Originally Posted by BigD1 PQIA tested the 5W-20 SN+ blend not that long ago. https://pqia.org/citgo-supergard-sae-5w-20-api-sn-plus-synthetic-blend-motor-oil/ thanks for the link.... looks like that is the blend, not full synthetic, buti imagine the 5/20 is close enough to the 5/30 for the...

i tried doing a search for some recent samples of citgo 5/30 superguard synthetic but seem to only find older info from 5-8 years ago. does anyone have or know of any recent UOA's or VOA's of this oil? thanks

Originally Posted by john_pifer I've done it twice, following the writeup on Tacoma World. I used the jumper method to verify fluid temp. Went with Toyota WS fluid both times. Local dealers gave a little discount for buying 15 quarts. No issues other than it being a messy process with having...

Originally Posted by Tedd Originally Posted by ka9mnx You do not need .... ZDDP in that engine. You're probably right. But, it's also at least possible that you're wrong. If it's all the same to you, I'd like to use an oil containing zinc, even if I "know" it's not necessary. It won't hurt...

i would suggest valvoline maxlife over any of those. where is the leak you found? high mileage oils wont really stop or help a leak from a physically damaged gasket or seal, they only "condition" good seals to last longer. you might want to try adding an actual leak fix or seal sweller type of...

i use the 15/40 delo400 in my other car with a mild flattappet cam. good stuff. i will have to stock up on some before it changes. havent looked at the rotella 5/40, i went with the delo after they changed the rotella back in 07, but sounds like the t6 is a good oil & might consider it for the...

Originally Posted By: 05LGTLtd Keep in mind that a synthetic 10w-30 wil have less VII than a conventional oil. Also lower noack and better teost. All good qualities for a oil cooled turbo engine. fully agree with that... but keep in mind that those qualities arent really needed for car that...

Originally Posted By: semaj281 I'm not sure I follow the "flow equals cooling" logic. Flow increases with heat which also results in a fluid pressure drop. Flow suffers with more viscosity, but higher viscosity oils can help keep moving parts separated to dissipate heat. Oil technology has...

Originally Posted By: lexus114 Originally Posted By: firebird72 Originally Posted By: jayg Looks like the image isnt showing up now. Here is the VOA specs for Maxlife HDD 15w40. Strong Zinc numbers. Do you daily drive this or park it outside? If not, I wouldn't hesitate to run it year round...

Originally Posted By: jayg Looks like the image isnt showing up now. Here is the VOA specs for Maxlife HDD 15w40. Strong Zinc numbers. Do you daily drive this or park it outside? If not, I wouldn't hesitate to run it year round. no daily driving, its a fair weather driver & a garage queen. but...

thanks for the voa jayg, havent really heard much about valvoline diesel oils let alone HM diesel oils. i wonder if they make a 10/30 version? i dont really want or need a 15/40 for this car, besides the climate im in, this car already has a high pressure 80psi oil pump & it holds 40psi at idle...

Originally Posted By: Brons2 I would also be one to yank the novel Pontiac turbo motor and put in an LS engine, but that's just me absolutely not! im a diehard pontiac guy, no crossbreeding! the LS is a nice motor, but putting one in a classic car isnt my thing, i will buy a 4th gen t/a if i...

yes i always do a cool down for a couple minutes if driven hard & also drive easy for the last 5-10 minutes. Originally Posted By: jayg Old school oil lubrication for that journal bearing should have at least a 40 wt oil to wick away heat. My recommendation would be M1 HM 10w40 or if you have...

its been running cheap oil like walmart ST the last 2-3 changes since it sees so few miles, i will go about 2-3 years between oil & filter changes & thats always under 1000 miles total. its time for a new filter & oil & just thought of trying something different. the turbo was rebuilt before i...

i think it depends on the location as for who makes the oils. pretty sure warren was & still is the midwest area supplier. not sure on the filters.