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shandawg

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Posts posted by shandawg

  1. For anyone struggling with shit handle indicators and no DRO just use a DTI on tool post to get final cuts accurate. Just remember to only wind on half what you want taken off diameter haha.

    Also I know it's basic but lots of old loose worn slides and machines that seem flimsy just need the carriage clamp things tightened... Sorry dont know the correct terminology. Usually bolts in carriage that pull a bronze block into the slide to remove any slop.

    Also there may be things there to take out the bulk of the backlash.

    On mills with really loose tables I'll usually throw a little tension onto the locking bolts too- though that's probably bad practice?

    Gibbs. Dependin on bed type most lathes & mills have these wedge blocks which can be adjusted with usually three grub screws. Don't do em up too much though if the bed is that worn it can bind up in places if too tight

    Bed wear is usually worst up near the chuck where the majority of work is done. Proper sideways oil like Total Drosera MS 68 (shameless plug) is good too reduces stick-slip and extends bed life compared to improper/no slide ways oil. Hangs around longer due to tackifier as well.

    I used to have a machined & ground test bar which came in real handy, put in the chuck and run the Dti along its length to check headstock squareness and test at the end while turning chuck to test spindle / chuck runout etc

  2. Feel free to give me a shout if you need to talk to someone I own Total Lubricants West Auckland, Have pretty much everything you can think of in oil including Zinc Additives, "running in oils" etc.

     

    Some engines are better run in on monogrades some on multigrades, depends on engine and what the run in procedure is.

     

    Almost all oils these days will have a spec for petrol and diesel engines. The API rating is most common eg CI-4 / SL. The C in CI-4 stands for Compression ignition eg Diesel. The second letter (eg. c, d, e, f, g, h, i, j) is the level of specification, J being the latest. The S in SL stands for Spark Ignition eg petrol, again the second letter stands for the level of specification, N being the latest. be careful running SM and do not run SN if you have a flat tappet engine unless you add some extra ZDDP (zinc), as your tappets, cam lobes will be at risk of lunching themselves due to excessive metal on metal contact. If you have flat tappets and really agressive cam / valve springs I would definitely talk to a specialist when selecting engine oil.

     

    :)

    • Like 4
  3. I used youshop recently to bring in an expensive chefs knife from the US, first I had difficulty where the sender had labelled it slightly differently from how it was supposed to be labellend and it got lost in the warehouse for a while, they did find it then told me it was a prohibited item and they wouldn't send it.

     

    After a bunch of to-ing and fro-ing they finally agreed it was just a kitchen utensil and not a weapon and sent it to me. Wasn't that impressed but have just ordered some more stuff (gifts not knives) and will hopefull have better luck this time or they're banned!

  4. Hi guys

    I'm looking at buying a 2 post hoist for the workshop - have any of you bought one of these or know of anyone who has one? Don't want to buy one then find you can't get seals etc for them!

    Looking at possibly one of these: http://www.trademe.co.nz/business-farmi ... 222549.htm or these http://www.trademe.co.nz/business-farmi ... 414857.htm

    Not looking at commercial use or anything, mainly weekend tinkering, oil changes etc

    Thanks!

  5. Pretty much all oils nowadays will have both a petrol rating and a diesel rating.

    The S stands for spark ignition (petrol) the C stands for compression ignition (diesel), the letter after is the spec level hence the current transition from SM to SN.

    If a diesel oil is rated CI-4/SL it should be ok to run in an early petrol engine being SL. The latest API Diesel spec is CJ-4 which are usually SM rated for petrol so should still be ok (still pays to check zinc PPM). Always refer to the "S" rating for petrol and the "C" rating for diesel.

    Total have a SG 20W50, a CI-4/SL 15W40 and a CF/SJ 15W40, and a new product Power 50 25W50 as caboonatlarge states which has a very high zinc level around 1500PPM.

  6. Just a quick public service announcement:

    Now that API SN oil is hitting the shelves, us with old pushrod type engines could have a bit of fun if we inadvertently put the two together.

    SN oils are not permitted to contain more than 800 ppm (parts per million) of zinc. This isn't a problem for newer ohc engines or pushrod engines with roller lifters but engines with flat tappets there will be trouble. We have seen cams chew out in under 1000 km.

    Most engine oils rated SM or earlier should still be ok.

    I have a couple of products that perform really well in older V8s, sixes, ford fours and other pushrod engines. Feel free to pm me if you're after more info

  7. Name:Shannon

    Location:Auckland

    Cars you own: Currently 2 x 1972 Datsun 1600, 1 x SS Crewman

    Mods to them: Mainly the datsun not in bits: S13 SR20DET & 5 Speed, Exedy clutch, s15 turbo 14psi, 3" exhaust, big IC, Turbosmart Race Port BOV, Datsport crossmember & steering, Mad Dat rear crossmember, R30 R200 Diff housing with S14 LSD centre & shortened axles, ground control coilovers with eibach springs, R33 GTST front discs & calipers etc

    How you found out about oldschool: through http://www.datsun.co.nz

    Anything else you want to add: Nah just here to check out you guys cars and catch up at meets!

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