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Thread: Rotella T6 5w 40 in 7mgte

  1. #21
    Supramania Regular
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    Default Re: Rotella T6 5w 40 in 7mgte

    you should test with a mechanical gauge.
    mine with 10w30 at idle: Stock gauge = 0-5psi, prosport electric = 8psi, mechanical =12-14 psi.

  2. #22
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    Default Re: Rotella T6 5w 40 in 7mgte

    Quote Originally Posted by grimreaper View Post
    you should test with a mechanical gauge.
    mine with 10w30 at idle: Stock gauge = 0-5psi, prosport electric = 8psi, mechanical =12-14 psi.
    Which reading do you trust better?
    1988 white 7MGTE(Current) est 360 rwhp.
    1987 red supra turbo shell(Parts car)
    1983 supra 5mge(Sold)
    2014 Dodge Dart SXT Rallye 2.4

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    In the makings, 62mm turbo setup. See how far I can push it, shooting for minimum 450 rwhp.

  3. #23
    Official SM Expert: Motor Oil, Lubricants & Filtration
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    Default Re: Rotella T6 5w 40 in 7mgte

    Mechanical gauge, measured at the block...
    I will no longer respond to tech questions via PM. If you have a question, put it on the forum so everyone benefits from the answer.

    Quote Originally Posted by Supracentral
    However I still stand by my statement that 99 times out of 100, the weak link in the MKIII is the owner.
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  4. #24
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    Default Re: Rotella T6 5w 40 in 7mgte

    ^ this, checked once a year with each plug change. Also mounted a fitting and briaded oil line to move the oil pressure sender under the intake filter. R&R the sender takes minutes..

  5. #25
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    Default Re: Rotella T6 5w 40 in 7mgte

    5w40 is going to thin out to ~30 when it gets really hot, unless I'm wrong. I know RP did that.

  6. #26
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    Default Re: Rotella T6 5w 40 in 7mgte

    Quote Originally Posted by mensrea View Post
    5w40 is going to thin out to ~30 when it gets really hot, unless I'm wrong. I know RP did that.
    You're wrong...
    I will no longer respond to tech questions via PM. If you have a question, put it on the forum so everyone benefits from the answer.

    Quote Originally Posted by Supracentral
    However I still stand by my statement that 99 times out of 100, the weak link in the MKIII is the owner.
    Quote Originally Posted by jetjock
    I swear, it's like talking to an amoeba...


    Want to know about oil...read this:
    Motor Oil 101 - Dr AE Haas


    "Life is like a jar of Jalapeno Peppers
    What you do today, might Burn Your Ass Tomorrow"

  7. #27
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    Default Re: Rotella T6 5w 40 in 7mgte

    I've been running rotella T which is 5-w40 for the past 6 years.. walmart for the win lol anyways on my 04 f250 diesel with 07 front end.. beautiful truck by the way Zrain25 mine was a Lariat 6.0 shitty motor but lasted me a while crew cab 4x4. anyways my 04 yamaha r1 . one of them i sold with 80k plus miles. never had one thing go wrong except for my starter due to being old and starting to much it went out.. other than that my wifes 03 solara and all the other cars i had. 93 rx7, civics you name it.. to be honest one of the best oils you can buy.. not to mention the price. i'm in CA so weather here doesn't get too cold.. in the 30s but yeah.

  8. #28
    Joe Yantz
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    Default Re: Rotella T6 5w 40 in 7mgte

    Quote Originally Posted by Zrain25 View Post
    I got a 99 7.3. 05 conversion.

    Was my baby till I got the supra

    Attachment 63156
    Dude! I thought I was the only guy who drove a PowerStroke and a MKIII Supra lol
    "I got 99 problems but a 7M ain't one!"
    "MKIII Supras, turning men into mechanics since 86.5"

    My '91 JZA70 Limited Suspiciously Slow Supra
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  9. #29
    Rice? No its Corn (E85)
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    Default Re: Rotella T6 5w 40 in 7mgte

    lol 99 crew cab 7.3 here too haha. so how about 5-40 t6 rotella in a newly rebuilt 2jz? ive been using castrol gtx 5-30w
    MODS:AEM EMS V2,HX35 turbo,4runner dizzy cap,16psi,stock block with 2.5mm MHG,ARP studs,ACT EXTRME! W/full face,850cc,3'' exhaust,working A/C,FMIC,Energy Suspension Black bushings,Marlin Crawled R154,Tokico whites w/eibachs,3'' steel one piece. 3.91LSD.
    2jzge stock long block
    HX35 turbo 389whp and 345ftlbs @16psi NA-T
    NEW Setup
    S366 ---------662whp 583ftlbs on e85 @20psi
    --------------556whp 461ftlbs on 93 oct @16psi

  10. #30
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    Default Re: Rotella T6 5w 40 in 7mgte

    No idea I would go with a thinner oil. My supra likes it but it has a 150,000 unknown miles ya know. My new engine when I drop it in will probably not get t6 oil

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