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Thread: Conventional oils being phased out.

  1. #1
    Super Moderator Turbo Mopar Staff 135sohc's Avatar
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    Conventional oils being phased out.

    Interested to hear what others have been using/concocting in our manual transmissions as 5w20 and 5w30 conventional flavor oils are being phased out.

    I have tried everything over the years and still find myself coming back to plain old 5w30 as the best all around lubricant.
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  2. #2
    boostaholic
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    Re: Conventional oils being phased out.

    When conventional goes away probably going to use lubriplate spo 233

  3. #3
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: Conventional oils being phased out.

    I've gone to the O'Reily conventional that they still have. I really wish there was something designed specifically to work with the later 1/2 synchro AND the 3/4 and 5 synchros.

  4. #4
    Garrett booster
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    Re: Conventional oils being phased out.

    Quote Originally Posted by cordes View Post
    I've gone to the O'Reily conventional that they still have. I really wish there was something designed specifically to work with the later 1/2 synchro AND the 3/4 and 5 synchros.
    Is this in the trans? I put 5w30 Mobil high mileage in ours but was told that's likely not a good idea and should have went mobil 1000 but you can't get that stuff here in Canada.

  5. #5
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: Conventional oils being phased out.

    Yes. I put that oil in the trans.

  6. #6

    Re: Conventional oils being phased out.

    This is what you want, Works good.
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  7. #7
    Garrett booster
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    Re: Conventional oils being phased out.

    Quote Originally Posted by Warren Stramer View Post
    This is what you want, Works good.
    Isn't that for nv4500 with carbon fibre synchro?

  8. #8
    Super Moderator Turbo Mopar Staff 135sohc's Avatar
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    Re: Conventional oils being phased out.

    Quote Originally Posted by going4speed View Post
    When conventional goes away probably going to use lubriplate spo 233
    I looked that up, sounds like good stuff but I wonder about the cold weather performance ?


    Quote Originally Posted by Warren Stramer View Post
    This is what you want, Works good.
    That stuff seems to have a love it or hate it following here. To hear you endorse it I will take that as a vote of confidence.

    2 Pour point is less than -39C. Low temperature viscosity in a -40C Brookfield test of 50,000 cPs maximum, less than a 75W gear oil and the cold cranking viscosity less than a typical conventional SAE 5W engine oil.​​

    That does answer my concerns/questions about low temperature usage.
    1994 Shadow Sedan. 2.2 N/A, A568 400,000 miles. "the science experiment"
    1987 Shelby CSX #418. Long term rebuild and restore ?

  9. #9

    Re: Conventional oils being phased out.

    I will second using Synchromesh. I have also used Redline MTL. The only reason I don't use it more is that it is not available locally... Royal Purple Synchromax is another option.

    To be honest, I would not use 5w-30 motor oil in manual transmissions. Back when the recommendation was made the spec's lined up, since then motor oil formula has been tweaked for engines, not manual transmissions...

    Simply put, I prefer to use a fluid designed for manual transmissions in a manual transmission...

  10. #10
    Supporting Member II Turbo Mopar Contributor ajakeski's Avatar
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    Re: Conventional oils being phased out.

    Redline MTL.

  11. #11
    Supporting Member Turbo Mopar Contributor
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    Re: Conventional oils being phased out.

    Quote Originally Posted by ajakeski View Post
    Redline MTL.
    Jackson has said he has seen several MTX that Redline has killed...
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  12. #12
    See me ride out of the sunset... Turbo Mopar Staff BadAssPerformance's Avatar
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    Re: Conventional oils being phased out.

    Quote Originally Posted by chromguy View Post
    Jackson has said he has seen several MTX that Redline has killed...
    I've seen several that look like MTL that have old ATF in them.


    For manual trans:
    Regular use - Redline MTL
    Performance use/racing - Redline MT90

    I've put thousands of miles on high mile trans with MTL without issues. Original A520 trans in my first CSX, no issues from 90k to 178k when I stopped DD it. My CSX Clone had the original A520 in it (over 100k mi when I got it) and then on MTL drove all over and made over 200+ passes leaving 5k RPM dead-hooking on slicks and low 13's or better before the teeth on 2nd gear fatigued

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  13. #13
    Garrett booster
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    Re: Conventional oils being phased out.

    Quote Originally Posted by BadAssPerformance View Post
    I've seen several that look like MTL that have old ATF in them.


    For manual trans:
    Regular use - Redline MTL
    Performance use/racing - Redline MT90

    I've put thousands of miles on high mile trans with MTL without issues. Original A520 trans in my first CSX, no issues from 90k to 178k when I stopped DD it. My CSX Clone had the original A520 in it (over 100k mi when I got it) and then on MTL drove all over and made over 200+ passes leaving 5k RPM dead-hooking on slicks and low 13's or better before the teeth on 2nd gear fatigued
    Now that's great info! But in Canada they want $120/gal...


    After an amazon search all the synchromesh/ synchro max valvoline, pen, royal p, GM. All seem to be in the same price range. I know straight from GM the ac delco oil was $35/ qrt.

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