Oily suggestions please.
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Thread: Oily suggestions please.

  1. #1
    Fellow Frogger!
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    Default Oily suggestions please.

    I have just fitted the new ( ID block ) to the traction & after suggestions for the correct oils for the engine & gearbox. I have always used Penrite & will probably stick that brand. Also I have put Nulon g70 additive in the G/box in the past, is this necessary? cheers Dave

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  2. #2
    1000+ Posts gerrypro's Avatar
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    Stick with the G-70. It really improves the life span of a GOOD gearbox and diff. It will do nothing to save a box where the damage is already present. If the box it at all suspect get it out spend the money for new parts and for god's sake get someone who knows what they are doing to perform the work. There are many traps to snare the unwary. As for engine oil a mineral 20W-50 such as Penrite / Valvolene etc. will be sufficient, but change it ever 2000 K's as it is unfiltered!
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    Cheers Gerry

  3. #3
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    Hi Gerry, thanks for the advice. The original engine & gearbox was sent to "someone who knows what they are doing " as you suggested & the engine was beyond being repaired economically so was replaced with a D. The gearbox was thoroughly checked & was in good condition, only needing minor adjustments so all should be good. I will add the G-70 as before, do you have suggestion for the gearbox oil itself. cheers Dave
    Just a duckin' & a weavin'

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    1000+ Posts gerrypro's Avatar
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    80W-90 for the gearbox oil. Choose a known brand!
    Cheers Gerry

  5. #5
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    Remember, 20W50 oil made to a recent standard is likely to have reduced zinc anti-wear additives compared to earlier standards. Penrite's HPR30 may suit and has added zinc content.

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    Thanks Gerry & David
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  7. #7
    COL
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    Quote Originally Posted by David S View Post
    Remember, 20W50 oil made to a recent standard is likely to have reduced zinc anti-wear additives compared to earlier standards. Penrite's HPR30 may suit and has added zinc content.
    I use Valvoline XLD Classic 20W50 in my 1970's engines and have had no problems.

    I also like Penrite products, they are good quality and reasonably priced.

    Penrite also have a product selector on their web site which tells you the correct lubricant for your engine and transmission. All you need to do is type in make and select the model from a drop down menu.
    Regards Col

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    Hi Col, I have checked out the Penrite site & HPR 30 20-60 appears to be the one to use. Also there is 2 recommendations for gearbox oil ( a gl5 & a gl4) I seem to remember that it is important to use only GL4 . cheers Dave
    Just a duckin' & a weavin'

  9. #9
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    FWIW I've been using the Penrite "Full Zinc" oils for years now, including some long trips (9,000 km in three weeks) in our 1964 Renault. Nothing remotely resembling issues, oil pressure same as 1989. It's 20W-60 now, although heaven knows why, 50 being more than enough. For the long trips over East, I change at the return point, so the oil is only in for ten days!
    JohnW

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  10. #10
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    The gradings are not cleanly cut off. So what is graded 20w50 but on the high side may be very little different to what is graded 20w60 on the low side. It's a bit like some cusp dwellers of neighbouring star signs.
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