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Thread: TD5 Mixing Engine Oil Question

  1. #1
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    TD5 Mixing Engine Oil Question

    I use Penrite HPR5 Diesel 5 for my TD5s, (although I note a couple of recent posts suggesting others may be even better?). My old school mechanic prefers to stick with the LR recommendation, which I think is Castrol?

    I recently mistakenly bought some Penrite fully synthetic diesel engine oil instead of the intended HPR5 Diesel 5, which begs the question, can I mix and match these two to use up the fully synthetic without causing any issues?
    D4 MY16 TDV6 - Cambo towing magic, Traxide Batteries, X Lifter, GAP ID Tool, Snorkel, Mitch Hitch, Clearview Mirrors, F&R Dashcams, CB
    RRC MY95 LSE Vogue Softdash "Bessie" with MY99 TD5 and 4HP24 transplants
    SADLY SOLD MY04 D2a TD5 auto and MY10 D4 2.7 both with lots of goodies

  2. #2
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    Personally, I would place a call to Penrite myself and ask them.

  3. #3
    Ean Austral Guest
    Are they both synthetic ? I can tell you from experience do not mix mineral and synthetic together.


    Cheers Ean

  4. #4
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    Quote Originally Posted by Ean Austral View Post
    Are they both synthetic ? I can tell you from experience do not mix mineral and synthetic together.


    Cheers Ean
    The HPR 5 (which is what I think most members use) is listed as "now fully synthetic". I don't have the container of the other to hand at the moment, but my recollection is that it is fully synthetic, whereas the HPR5 used to be "semi synthetic".
    D4 MY16 TDV6 - Cambo towing magic, Traxide Batteries, X Lifter, GAP ID Tool, Snorkel, Mitch Hitch, Clearview Mirrors, F&R Dashcams, CB
    RRC MY95 LSE Vogue Softdash "Bessie" with MY99 TD5 and 4HP24 transplants
    SADLY SOLD MY04 D2a TD5 auto and MY10 D4 2.7 both with lots of goodies

  5. #5
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    http://www.penriteoil.com.au/product...&id_products=7

    HPR DIESEL 5 5W-40 (Semi Syn.)


    http://www.penriteoil.com.au/product...&id_products=1

    HPR 5 5W-40 (Full Synthetic)


    which one are you referring to?

  6. #6
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    Quote Originally Posted by gavinwibrow View Post
    I use Penrite HPR5 Diesel 5 for my TD5s, (although I note a couple of recent posts suggesting others may be even better?). My old school mechanic prefers to stick with the LR recommendation, which I think is Castrol?

    I recently mistakenly bought some Penrite fully synthetic diesel engine oil instead of the intended HPR5 Diesel 5, which begs the question, can I mix and match these two to use up the fully synthetic without causing any issues?
    if you still have the receipt maybe take it back and swap for the diesel version

    Cheers

    Steve

  7. #7
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    I wouldn't mix oils.

    But then I also don't like changing oil brands and types between services either.

  8. #8
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    Quote Originally Posted by Eevo View Post
    HPR DIESEL 5 5W-40 (Semi Syn.)

    HPR DIESEL 5 5W-40 (Semi Syn.)


    HPR 5 5W-40? (Full Synthetic)

    HPR 5 5W-40 (Full Synthetic)


    which one are you referring to?
    Answer = both.

    Penrite recommends the HPR Diesel 5 (semi synthetic) for TD5, which is the one I usually use.

    The one I mistakenly bought (assuming it was one and the same, and since opened, so I can't take it back) is the HPR 5 full synthetic - ironically also recommended for light duty diesel engines.

    So, back to the original question? Or maybe i should just follow ramblingboy42's suggestion at post 2 and ask Penrite.
    D4 MY16 TDV6 - Cambo towing magic, Traxide Batteries, X Lifter, GAP ID Tool, Snorkel, Mitch Hitch, Clearview Mirrors, F&R Dashcams, CB
    RRC MY95 LSE Vogue Softdash "Bessie" with MY99 TD5 and 4HP24 transplants
    SADLY SOLD MY04 D2a TD5 auto and MY10 D4 2.7 both with lots of goodies

  9. #9
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    Swap

    Gavin,


    if it this stuff I would be happy to swap you some HPR DIESEL 5 for it


    Roger
    Attached Images Attached Images

  10. #10
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    Further searching - My answers can be found here - very similar situation to my error buying. Penrite HPR Diesel 5 - change to labelling - Terracan Technical - Australia4WD Forum

    I'll take a chance and mix in the fully synthetic with my normal Diesel HPR5. Cheers
    D4 MY16 TDV6 - Cambo towing magic, Traxide Batteries, X Lifter, GAP ID Tool, Snorkel, Mitch Hitch, Clearview Mirrors, F&R Dashcams, CB
    RRC MY95 LSE Vogue Softdash "Bessie" with MY99 TD5 and 4HP24 transplants
    SADLY SOLD MY04 D2a TD5 auto and MY10 D4 2.7 both with lots of goodies

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