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Thread: Rotella

  1. #1

    Default Rotella

    So I've seen a few mentions on the interwebz on using ROTELLA in older cars since it has good stuff in it for older engines.

    I have a 51-year-old 429 Cadillac V8 that desperately needs an oil change what do the local kids think? Is ROTELLA a good choice?

  2. #2
    Team Cheap Bastard
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    What better place to ask about a Caddy, than a Miata forum!

    What do you normally put in it?

  3. #3

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    Quote Originally Posted by sammm View Post
    What better place to ask about a Caddy, than a Miata forum!

    What do you normally put in it?
    Cadillac guys are almost as random as Miata people.

    Figured we had a few local old car folks here.

    Plus this place desperately needs traffic so I thought I'd post here.

  4. #4
    Team Cheap Bastard
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    ^Lots of lookers, no speakers.

  5. #5

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    Quote Originally Posted by sammm View Post
    ^Lots of lookers, no speakers.
    Patience grasshopper.....

    Maybe someone other than you will chime in on this one.

  6. #6

    Default

    Diesel oils are a pretty good choice for the old non-roller camshaft engines. They are allowed much higher levels of anti-wear additives. Look for the oils that carry API SM rather than SN (the SN versions have been watered-down to the levels found in normal automotive oils and are formulated to protect catalysts).

    The other thing I like about diesel oils in old engines is the level of detergency -- cleans things up nicely.

    I run these in an old Mercedes and old Plymouth. I had a couple of old Caddie's back in the day. Great cars.

  7. #7
    Bad Moderator Donut Dave04's Avatar
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    Quote Originally Posted by POS Racing View Post
    Maybe someone other than you will chime in on this one.
    I love Rotella in my 19 year old truck.. but then, it's a diesel... does that help?
    --
    Dave
    "Opinions are like ..."

  8. #8

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    I used Rotella T6 (full synthetic) for ages. But after a few years of using it in my worn out big-block truck, with leaking and finding it wearing out sooner than expected (noisy lifters let me know), I switched to Mobil 1 5-50 full synthetic. The one with the red numbers. We use it in a lot of track cars when the owner doesn't want to use Motul. It's been great in my 300k mile truck.
    Jason McDaniel

  9. #9

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    Barney likes it!
    1995 M Edition

  10. #10

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    Quote Originally Posted by Dave04 View Post
    I love Rotella in my 19 year old truck.. but then, it's a diesel... does that help?
    oooh interesting

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