Episode 25: Changing the Diff Ratio in a Perkins V8Supercar

Поделиться
HTML-код
  • Опубликовано: 11 дек 2024

Комментарии • 79

  • @lukes5533
    @lukes5533 2 года назад +9

    They were definitely better days of racing than today . To much aero these days with no passing. Thanks for sharing Jack.👍

  • @markgrovenor389
    @markgrovenor389 2 года назад +4

    Keep up the technical content Jack, it beats the actual current day racing any day! Really appreciate the intimate insights into the Perkins Engineering!

  • @westhenderson6587
    @westhenderson6587 2 года назад +8

    Hey jack, really do enjoy the content mate, the no hoist suprised me a little but thinkn about it , your dad running all those wheel nuts for so long use to blow me away also, a true grass roots ledgand in so many eyes, honestly an era of V8,s that that will never be replicated , keep it up !!

  • @ChumpyChicken2
    @ChumpyChicken2 Год назад +1

    This is so interesting Jack! Keep up the videos in 2023 mate!

  • @robertodonnell8807
    @robertodonnell8807 2 года назад

    I love the simplicity. Standard cross and roller uni joint, no mucking about with a fancy CV uni!

  • @glensgraphix
    @glensgraphix 2 года назад

    Great and simple video on a pretty important component. It was fantastic to see you and your old man racing around Phillip Island on the weekend too. Thanks to you both for being out there.

  • @knight2425
    @knight2425 2 года назад

    Great detail Jack, always enjoy watching the videos you create. Hope the leg heals quickly mate.

  • @davidbarnsley8486
    @davidbarnsley8486 2 года назад +1

    So not just handy behind the wheel but handy with the spanners as well hey jack 👍👍👍

  • @craigtuck1741
    @craigtuck1741 2 года назад

    awesome job Jack, great content showing the workings of the car. cheers

  • @svenomick5857
    @svenomick5857 2 года назад +1

    This is a great Era off Racing tuff Cars well made Harrop case love the Australian Made stuff just good a lot more simple car and great Racing, also Jack great work love the RUclips site cheers Mick.

  • @james22939
    @james22939 2 года назад +3

    This is amazing so cool to hear it run sounds amazing love these supercars hopefully one day there will be a legends touring car series

  • @shawnmoore4292
    @shawnmoore4292 2 года назад +1

    Great work Jack. So interesting.

  • @deanehill9730
    @deanehill9730 2 года назад +2

    Well done Jack. What about showing us the locked diff assembly and why not use a LSD or auto locking diff.
    I was impressed with the way you attended to father Larry at the recent Phillip Island historics meet. You made sure he was strapped in and ready to go well before time all before you got into your car. It was very enjoyable to see those cars in action again. Thanks for the video.

    • @perkinsengineering
      @perkinsengineering  2 года назад +1

      Thanks Deane. We covered off the build of our diff ratios quite extensively on our Facebook and Instagram. The diffs are “locked” through a spool and those rules were implemented in 1993. Detroit Lockers and other diffs have been sampled over the years but V8Supercars stuck with the spool.

  • @kevinhamling1963
    @kevinhamling1963 2 года назад +1

    G'day Jack,
    Great video it's great seeing how different parts are changing in and out for different tracks.
    But I can't even say that you got your hands dirty everything was so clean. Even the oil was spotless.
    So thanks for sharing man.
    ✌🏻 Peace.

    • @perkinsengineering
      @perkinsengineering  2 года назад +1

      Haha yeah race cars are cleaner than road cars!!!

    • @kevinhamling1963
      @kevinhamling1963 2 года назад

      @@perkinsengineering my 63 beetle is spotlessly clean top to bottom.
      Maybe all the vw beetle owners on the channel could have a meet and greet with Larry's bug. 😁

  • @shoominati23
    @shoominati23 2 года назад +3

    Its amazing now a VR is classed as a historic!

  • @agatemaster1998
    @agatemaster1998 2 года назад +2

    Did we come to a bit of mischief with our left foot nice moon boot

  • @grahamserle7930
    @grahamserle7930 2 года назад +1

    Vastly different to changing the diff ratio in a road car and so much easier. Nice to know how it's done. Nice job at S.M.P as well Jack.

  • @matk4731
    @matk4731 2 года назад

    So beautifully presented everything is emasculate. That just brings back memories of crawling around under mates cars changing diff centres. Bet you can’t do that job that easily on a transaxle.
    Thanks for sharing
    👍🏻👍🏻🙃🙃

  • @54mgtf22
    @54mgtf22 2 года назад +1

    Love your work, Jack 👍

  • @michaelguerin56
    @michaelguerin56 2 года назад +1

    We also use Ozito heat guns on our sites, to heat up flashing tape. Best and cheapest electric heat gun I have ever used.

  • @10millimeterSocket
    @10millimeterSocket 2 года назад

    Thanks Jack. The cars looked and sounded a million dollars at Philip Island Historics!

  • @deanbiddle2904
    @deanbiddle2904 2 года назад +1

    Omg that sound & throttle bleeps can we hear more please 😃

  • @mattmatty4670
    @mattmatty4670 2 года назад +1

    Cool thanks

  • @mosca3289
    @mosca3289 2 года назад +3

    Never had a hoist! I see thriftiness is a family value 😏

  • @FATTYDH216
    @FATTYDH216 2 года назад

    That noise …. 🤤

  • @alpiv64
    @alpiv64 2 года назад +1

    How was the PI Classic ? will you do a video of the weekend ? keep up the great work.

    • @perkinsengineering
      @perkinsengineering  2 года назад

      It was great. Didn’t have enough spare hands or time to make a proper video but we will do one!

  • @planb8520
    @planb8520 2 года назад +2

    Top stuff Jack👍
    Great to hear those Perkins chevs still sounding nice and crisp.
    Hope you got a nice little engine episode coming out for us all sometime?

  • @krispandcool
    @krispandcool 2 года назад +1

    All that good gear and then shock horror out comes the Brrrunniings special Ozito heat gun. Have to start a go fund me page to replace that 😂

  • @ae86rally
    @ae86rally 2 года назад

    To me it only seems like yesterday that car was racing, so I'm having a lot of trouble getting my head around racing it in historics

  • @ismith1598
    @ismith1598 2 года назад +1

    JP.. great video and detail on the car!
    ps.. what weight diff oil you use? 75w80 or heavier like a 140w?

  • @andyjames2082
    @andyjames2082 2 года назад

    Thanks Jack, do you torque the diff bolts up?

  • @cmiimages
    @cmiimages 2 года назад

    Jack, what brand or make are the floor/jack stands the car is sitting on? Supplier?

  • @matsinkal
    @matsinkal 2 года назад

    Nice moonboot

  • @thatsimracer666
    @thatsimracer666 2 года назад +1

    Noce vid Jack and what happened to the foot

    • @perkinsengineering
      @perkinsengineering  2 года назад

      Fractured a bone

    • @thatsimracer666
      @thatsimracer666 2 года назад

      @@perkinsengineering ouch how that happened if you don't mind me asking also so that means not driving the vf

    • @wayno23
      @wayno23 2 года назад

      @@perkinsengineering motorcycle?

    • @perkinsengineering
      @perkinsengineering  2 года назад

      @@wayno23 negative

  • @79series
    @79series 2 года назад

    What motor is in this ,still the holden block?

  • @johnegan4056
    @johnegan4056 2 года назад

    Hi
    I'm really enjoying this type of video
    I'm surprised that you use such high ratio diffs 3.7 is the highest available for my MG Midget and I'm using a 4.5 for sprint and hillclimbs
    is the gearbox gearing very low?

    • @perkinsengineering
      @perkinsengineering  2 года назад +1

      Gear ratios were controlled. 3.7 shortest ratio, Bathurst was 3.25 and then 3.15

    • @johnegan4056
      @johnegan4056 2 года назад

      @@perkinsengineering ah ok I hadn't thought of the ratios being specified by the rules
      Thanks for the insight

  • @ARTR2008
    @ARTR2008 2 года назад +1

    Just out of curiosity, do you still use endless pads from japan?

    • @perkinsengineering
      @perkinsengineering  2 года назад +1

      Well we aren’t an active race team so we don’t use many brake pads. With our restorations we use the pads that we used during that period

  • @copper44
    @copper44 2 года назад

    Hey jack great video as always just wondering what happened to your foot did it happen after the ride day at Phillip island?

    • @perkinsengineering
      @perkinsengineering  2 года назад

      Fractured a bone in my foot 3 weeks ago

    • @copper44
      @copper44 2 года назад

      @@perkinsengineering oh ouch how did you go at Phillip island to drive a supercar that would of hurt did it

    • @perkinsengineering
      @perkinsengineering  2 года назад +1

      @@copper44 all good, it’s only the clutch foot, drove Erebus car at Winton and SMP before the weekend

    • @copper44
      @copper44 2 года назад

      @@perkinsengineering oh right we’ll that’s good then at least in these modern Supercars you don’t need the clutch

  • @tomnewham1269
    @tomnewham1269 2 года назад

    Hi Jack. So when you say that the differential is a Ford 9 inch, do you mean that is the size with the diff housing and parts made by Harrop etc or is the differential an actual unit made by Ford?

    • @rustymonaro184
      @rustymonaro184 2 года назад

      It's a Ford 9" Morrison v8 supercar diff housing made by MSF racing components .

  • @rjraft
    @rjraft 2 года назад

    Did that generation log speed? If so, what do you need to change when the diff ratio is altered?

  • @bigears4014
    @bigears4014 2 года назад

    A hoist is cheap and your work is easier cleaner and more visible

  • @kingcosworth2643
    @kingcosworth2643 2 года назад

    I can't believe you don't have a hoist

    • @perkinsengineering
      @perkinsengineering  2 года назад

      Haha we never had a hoist, since 1986. Red Bull Racing/888 don’t have hoists either! Hoists don’t win you races

  • @justinvh7661
    @justinvh7661 2 года назад

    Hi Jack whats up with the leg

  • @andydelarue9344
    @andydelarue9344 2 года назад

    Hooks for brakes are quicker than cable tie, 99% on the time.

  • @dalewyatt1321
    @dalewyatt1321 2 года назад

    No hoist? Tell Sir Larry he is a tight wad.

  • @mrwolsy3696
    @mrwolsy3696 2 года назад +1

    Ozito heat guns are funny things, dad put 2 in the rubbish in 1 day whilst my boss made one last for years hard abuse????

  • @martykath4427
    @martykath4427 2 года назад

    You barely mentioned the "Camber Wedge". Am i to assume that the alloy block houses a wheel bearing and the faces of said block are wedge shaped inducing camber into the rear wheels . and that the axle has a hefty cv joint next to the wheel bearing??? C'mon more detail please. What about unsprung weight?

    • @timjohnun4297
      @timjohnun4297 2 года назад

      Pretty sure Jack did a video a while back about the camber wedges

    • @timjohnun4297
      @timjohnun4297 2 года назад +1

      ruclips.net/video/NCL_-Pq7HG0/видео.html

  • @mvnorsel6354
    @mvnorsel6354 2 года назад

    I changed the diff in my Sigma from 3.42 to 3.28 for better economy.

  • @timlucas4014
    @timlucas4014 2 года назад

    Great Video as normal But
    Does take the piss re Holden V Ford when it has a Ford Diff lol
    And to all i know for many years the cars are all the same with different body kits aka Nas car