Shocking Suspension Secrets Revealed!

Автокөліктер мен көлік құралдары

Preloading the rear suspension with an air shock ( or air bag) is one of the oldest and best tricks in the book. Here's how and why.

Пікірлер: 450

  • @f100storys8
    @f100storys84 жыл бұрын

    The fact that you want to share all of this info just shows how much you love your viewers.

  • @UncleTonysGarage

    @UncleTonysGarage

    4 жыл бұрын

    My viewers pay my bills, and so I owe them anything I can give.

  • @lonewolf5596

    @lonewolf5596

    4 жыл бұрын

    @@UncleTonysGarage you're a man of the people

  • @01trsmar

    @01trsmar

    4 жыл бұрын

    @@UncleTonysGarage ..Okay then...Take the Kary Van to the track and run it! That would prove your loyalty!!! Well,to me anyways...No ,really!!! I have odd fascination with it! I could be normal and want to see either of your Road Runner's,Charger,Dart but oh no my weird brain wants to see the Kary Van run... Maybe it's me,I just want to see it run, in the parking lot or side road a few blasts would be good enough,really thats all I would really want to see.. I know I am not right in the head! It's all the head rushing back to my head from 10 second -13 second 1/4 mile blasts over the years,that and painting cars with no ventilator,maybe more so the latter!! That 318 sounds mean in that Coronet...when your done with the 318 in the Coronet,swap it in the...You guessed it...KARY VAN!!!!!

  • @paulshamblin6260

    @paulshamblin6260

    4 жыл бұрын

    Uncle Tony will take your fuckin money! Don't line up with him. He has done it before and he'll do it again. Is that your mustang kid? Nice. Wanna run my grandmothers old Duster? Got $100? Just to make it interesting?

  • @Youtubeforcedmetochangemyname

    @Youtubeforcedmetochangemyname

    4 жыл бұрын

    @@01trsmar yes run the van that would be cool

  • @mareklibelt3182
    @mareklibelt31824 жыл бұрын

    " If you are a real street racer.." another great quote from the street racer's racer, Uncle Tony! Thanks again!

  • @amradio1968
    @amradio19684 жыл бұрын

    Uncle Tony was engineering tuned dampening before active suspension and traction control were a thing. :throws cigarette:

  • @SpicyBloodBean

    @SpicyBloodBean

    4 жыл бұрын

    lmao

  • @BackyardClunkers77

    @BackyardClunkers77

    4 жыл бұрын

    AM Radio - traction control is your feet. Same goes for “cruise control”... & stability control is your arms & hands, while blind spot awareness is the open headers... oh- & don’t forget the forward facing “adaptive cruise control/ collision detection” device- that’s your co-pilot riding shot-gun keeping both eyes peeled for lurking local patrolmen.. 😁

  • @lobmin
    @lobmin4 жыл бұрын

    You were right. Purple Hornies are the best sounding mufflers ever.

  • @EASTSIDE-313

    @EASTSIDE-313

    4 жыл бұрын

    Oh yeah, love em, had them bolted right to my collectors one time on my 506 wedge😂😂😂on the street every car that passed me head on echoed like a stock car flying by😂😂had them on a sbc mud truck too...love em

  • @lobmin

    @lobmin

    4 жыл бұрын

    @@EASTSIDE-313 Haha good stuff, people must have loved you

  • @EASTSIDE-313

    @EASTSIDE-313

    4 жыл бұрын

    @@lobmin yeah it was fun

  • @MikeBrown-ii3pt

    @MikeBrown-ii3pt

    4 жыл бұрын

    Glass packs RULE! Back in the day, there were all kinds of cool "brand names" available cheap. Most of them were just re-branded Cherry Bombs painted different colors. A lot of cars in my area ran "Orange Peelers". These days, I usually use DynoMax complete exhaust systems. On the other hand, for my latest project, I fired up the chop saw and welder. I modified 2 pairs of their tailpipes so that I could have 4 outlets under a 74 GMC pickup. The mufflers are Cherry Bomb Extremes, single in/dual out. Looks and sounds awesome with 2 polished stainless pipes on each side right behind the rear tires!

  • @lobmin

    @lobmin

    4 жыл бұрын

    @@MikeBrown-ii3pt Tailpipes like that are great for throwing smoke in a burnout ;)

  • @AZsmoothrider
    @AZsmoothrider4 жыл бұрын

    "Hey boss, looks like Tony christened our parking lot again"

  • @matthewcalifana488

    @matthewcalifana488

    4 жыл бұрын

    Christen Stipes .

  • @shmuck66

    @shmuck66

    4 жыл бұрын

    goo.gl/maps/1WxW3jpArey3GTnPA

  • @MrTheHillfolk

    @MrTheHillfolk

    4 жыл бұрын

    @@shmuck66 LOL Google maps needs to hurry up, I don't see the burnouts

  • @1962pjb
    @1962pjb4 жыл бұрын

    I enjoy how your videos just start and are right to the point with no fancy intros, hype or product pushing beforehand. And they end just as quickly. I don't have to fast forward to the main topic like on other KZreadrs videos. 😁

  • @01Z06guy

    @01Z06guy

    4 жыл бұрын

    Good call.

  • @Chuck_Carolina

    @Chuck_Carolina

    4 жыл бұрын

    Amen to that Brother!

  • @carlsmith6135

    @carlsmith6135

    3 жыл бұрын

    No click bait is really refreshing. Great observation. Tony is the real deal. Plus, he's a MOPAR guy. That alone makes him awesome.

  • @thequietonesometimes6415
    @thequietonesometimes64154 жыл бұрын

    I would go to the neighborhood gas station to add air to the Monroe air shocks I had installed. With the valve located just under the rear bumper.(1970 Z28). The old guy mechanic who owned the shop,would always say the same joke. "Hey young fella!. You'll never get air in your tires doing it like that!" 😂

  • @ronjones-6977
    @ronjones-69774 жыл бұрын

    I'm having flashbacks to my teenage years. And that forty-something-year-old guy down the street that would talk cars with me and my buddies. All kinds of knowledge....and he let us get high in his backyard.

  • @johnhodgson5313
    @johnhodgson53134 жыл бұрын

    and now we know why Chrysler put an extra leaf on one side of some of their performance cars.

  • @shanepowers7566

    @shanepowers7566

    4 жыл бұрын

    Zactly

  • @modelnutty6503

    @modelnutty6503

    4 жыл бұрын

    some also had a big 90 lb weight on one side.

  • @mikepoint4983
    @mikepoint49834 жыл бұрын

    What a difference with the air shock ! , and those dog dish hubcaps are sick . Great video Uncle . Cheers

  • @paulhare662
    @paulhare6624 жыл бұрын

    Cecil county drag strip 1981, a case of beer and 5 pounds of ice over the right rear wheel of a 65 Chevy 2. Unfortunately it took a toll on my reaction times later in the evening.

  • @paintnamer6403

    @paintnamer6403

    4 жыл бұрын

    Remember the flyers said "no rules are the rules" for grudge night? Then go to Newark Del and cruse and or street race?

  • @WoundedBear2k
    @WoundedBear2k4 жыл бұрын

    I used a towing helper leaf on the right side of my A body back in the 80s. She sat a little funky in the parking lot, but launched flat.

  • @MikeBrown-ii3pt
    @MikeBrown-ii3pt4 жыл бұрын

    Yep. I still run a single air shock and old school Competition Engineering adjustable slapper bars under my 74 Camaro. You can get the same result on a coil spring car by inserting an air bag inside the right rear spring. I recommend that to a friend for his 72 Malibu. That one change knocked almost a tenth off of his 60' times.

  • @simplyfred8044
    @simplyfred80444 жыл бұрын

    That sound brings on a bit of a chub

  • @Nmdixon-cu7vm
    @Nmdixon-cu7vm4 жыл бұрын

    You have the most interesting starts to your video. 99% of the time it involves a cigarette. 😆 I ain’t complaining, I just think it’s funny.

  • @jbmopar1971
    @jbmopar19714 жыл бұрын

    Oooh this is why the Duster launches like a drunken cow on roller skates. Always learning something new, thanks for the great visuals. Thanks Uncle Tony and Uncle Cathy

  • @drrrrockzo
    @drrrrockzo4 жыл бұрын

    Ya know this is exactly the type of car I fear encountering on the street...not the model specifically but the owner who knows how to hook it up.

  • @nuzh1981
    @nuzh19814 жыл бұрын

    Wow,,,helluva difference,, way straighter with the airshock...This video is scientific proof...Well done sir...

  • @charger19691
    @charger196914 жыл бұрын

    Your willingness to share your knowledge never ceases to amaze me Uncle Tony. Thanks so much!

  • @blah9664
    @blah96644 жыл бұрын

    I want my 318 run and sound like that!

  • @crazycoffee
    @crazycoffee4 жыл бұрын

    Its simple. If uncle tony uploads it I like it.

  • @Carstuff111
    @Carstuff1114 жыл бұрын

    It is stuff like this that makes me absolutely love this channel so much. The fact you are willing to help people have, well, more fun when racing. And, you gave us a very clear and practical showing of what happens with and without the preload from the air shock. And also, I just love your cars, so the info is a huge, HUGE bonus :)

  • @craigpennington1251
    @craigpennington12514 жыл бұрын

    Wow! Finally, somebody is talking about what I explained to a lot of folks back in the day (70s) about traction. They always asked me why my car sat lopsided. You have just explained it. That old Blue Goose has some giddy Up Go. Thanks a bunch.

  • @mrwendellwrench163
    @mrwendellwrench1634 жыл бұрын

    Old school traction trick. Been doing this for years. Teach em Tony.

  • @mikehagen3785
    @mikehagen37854 жыл бұрын

    All those fancy high end car shows on TV for the last 20 years never taught what U.T.G. can in 5 minutes of real world application. Course I never gave much care to the TV show, I always had my head buried in magazines. Thank you for sharing your time and knowledge again.

  • @johnrunion7258
    @johnrunion72584 жыл бұрын

    Great analysis,and a clever solution.In the muscle car days('60s) we used to play around with air bags inside the rear springs.Shocks are the way to go,as you so well explained and demonstrated.

  • @chasevans7171
    @chasevans71714 жыл бұрын

    Neat tip from the top. Great explanation with a simple solution. Wisdom worth it's weight in gold as always.

  • @francfurian8215
    @francfurian82154 жыл бұрын

    Simple & intelligent info once again. Excellent Uncle Tony! Cheers😊

  • @thomasyocum5631
    @thomasyocum56314 жыл бұрын

    Now pair that with 90/10 front shocks, and a pinion snubber and launch like a pro. You are doing God's work thanks Tony.

  • @tigtrager6923
    @tigtrager69234 жыл бұрын

    Great video and explanation, Tony!

  • @bigrig4630
    @bigrig46304 жыл бұрын

    Another great lesson from a great teacher. Have a good one tony.

  • @ripplerbr
    @ripplerbr4 жыл бұрын

    That motor sounds sooo good!! Thank you for sharing this street setup secret.

  • @bobfangio4713
    @bobfangio47134 жыл бұрын

    You could watch everything behave just the way you described it. Thank you for doing these videos.

  • @Motor-City-Mike
    @Motor-City-Mike4 жыл бұрын

    U.T. thanks again for passing along knowledge to the "youngins" Piece by piece they're learning Built Not Bought, and "going fast for cheap" costs a WHOLE LOT less and it's twice as much fun winning out of your brain and not out of your wallet! Someday, when you're rich and famous, a full length movie on building a street racer start to finish would be f*"*ing hilarious and just cool as hell! Love the "test and tune" in a parking lot, industrial streets, anywhere there is pavement and no traffic - old school at it's best!!!! Aces, as always!

  • @michaeltessanne9108
    @michaeltessanne91084 жыл бұрын

    That's very smart and makes since. Thanks again toney

  • @montananative2414
    @montananative24144 жыл бұрын

    Thank you for spreading your wisdom master Uncle Tony

  • @charlesmiller7139
    @charlesmiller71394 жыл бұрын

    I've seen tracks like that many times on some of our back roads and never really gave it much thought why they, the burn marks, looked that way. Makes perfect sense now that you explained it. Thanks. I'm not there yet with a Vette I'm gonna rebuild, but I'll keep that in mind when i get to the suspension.

  • @DanITGuy
    @DanITGuy4 жыл бұрын

    Hell Yes Uncle Tony! You hit the nail right on the head! It's all about keeping those back tires Planted and digging pavement! 90/10 adjustable's in the front help as well!

  • @xxtriplex95
    @xxtriplex954 жыл бұрын

    I love this guy, he is giving us pure gold. Quality content ✌🏼

  • @floydt2029
    @floydt20294 жыл бұрын

    Thanks Uncle Tony for your well versed demo!

  • @floopwoop9783
    @floopwoop97834 жыл бұрын

    I like the knowledge you bring all of us. Really helpful

  • @anthonydownes8769
    @anthonydownes87694 жыл бұрын

    Hey uncle Tony really straight forward explanation and boy l don't get tired of hearing that car pull away hi uncle Kathy as well regards Anthony from down under

  • @naughtyponyracing
    @naughtyponyracing4 жыл бұрын

    Thanks Uncle Tony, I never thought of that , It never ends!! Great Show

  • @TheBeingReal
    @TheBeingReal4 жыл бұрын

    Those old Fury’s are awesome looking Great tip. Love all your Mopar knowledge.

  • @DrShankenstein
    @DrShankenstein4 жыл бұрын

    Awesome trick! Thanks Uncle Tony!

  • @robbyzipp7573
    @robbyzipp75734 жыл бұрын

    My first ride was a 84 dodge van with a 318..... love your content!!!!!😍😍😍😍😍😍😍😍

  • @mikelaumaillier9271
    @mikelaumaillier92714 жыл бұрын

    I didn't have air shocks so I would play with the tire pressure and make sure the stripe was black all across the width of the tire and even on both side of the car. Helped a lot. Thanks for your great content.

  • @fbombsflyingwrenchesgarage6334
    @fbombsflyingwrenchesgarage63344 жыл бұрын

    Good video man. Made me rethink the set-up in my Camaro.

  • @melvinthompson4323
    @melvinthompson43234 жыл бұрын

    Thanks Tony! Very cool video and content!😎👍🏼❤️❤️

  • @roknroy1
    @roknroy14 жыл бұрын

    glad to see your website taking off! mopar for the win!

  • @selfreliant179
    @selfreliant1794 жыл бұрын

    Thanks for entertaining us. Love that car

  • @RANDOMNATION907
    @RANDOMNATION9074 жыл бұрын

    I love 70's 4-door land yachts and what qualified as a midsize back then. Just love'em, all makes too .

  • @thorny7138
    @thorny71384 жыл бұрын

    Tony I love all of these tips that you give. I don't here tips like this ANYWHERE else, like they are guarded secrets of the ancient order of the voodoo traction magic elders. Love ya Uncle Tony!

  • @Tshade67
    @Tshade674 жыл бұрын

    Sound advice Uncle tony! I did this back in the mid eighties on my '67 Camaro. I had two air-shocks on separate lines. I also had '65 Chevelle big block station wagon springs with a coil cut off on the front and no sway bar. It had a lot of stored energy to lift the front on launch and transfer the weight. Man I miss those days!

  • @Borkery
    @Borkery3 жыл бұрын

    great trick. engine sounds like it runs great. nice work

  • @Return_to_Roots
    @Return_to_Roots4 жыл бұрын

    Uncle Tony just made my day better by posting.

  • @BenecioZarazua
    @BenecioZarazua4 жыл бұрын

    Came here after being recommended in the live stream...will definitely give this a try on the next build

  • @Talal_alshammri.
    @Talal_alshammri.4 жыл бұрын

    New information every day (Uncle Tony was the one who invented Traction Control ) 👍keep up the good videos.

  • @joeroubidoux2783
    @joeroubidoux27834 жыл бұрын

    Great demo!

  • @davidg3157
    @davidg31574 жыл бұрын

    Uncle Tony is the fuggin man! Thanks for sharing your knowledge.

  • @steveedwards1072
    @steveedwards10724 жыл бұрын

    Tony(and Uncle Cathy), EXCELLENT demonstration on physics. Yea SCIENCE!!

  • @MrTheHillfolk
    @MrTheHillfolk4 жыл бұрын

    I remember learning a little bit about this in tech school. Good stuff. We were discussing big trucks and suspension designs for max traction. Ever see a bobtail truck accelerate from the light and the frame rails lift? Thats like the suspension setup in a grand national, they lift the trunk when you nail it and use the vehicle weight to plant the tires. The way the teacher explained it was that's like grabbing a set of wheelbarrow handles underhanded and lifting. Feel your feet get planted with more weight. Lol when it squats on a launch that's bad , like trying to carry a wheelbarrow with your hands on top of the handles and pushing down (your feet left the ground , no traction) Man I love this stuff.

  • @new2dayuser151
    @new2dayuser1514 жыл бұрын

    My first car was a 71 Camaro and when I bought it in 1983 it had air shocks ! Yeah man, your so right!!! I was only 19 when I found out about what you are explaining!!

  • @Rural-Rides
    @Rural-Rides4 жыл бұрын

    Thanks for the content Uncle Tony!

  • @MFM556
    @MFM5564 жыл бұрын

    Informative and its fun to watch that old car launch off. Cheers sir.

  • @shepardsinsequence
    @shepardsinsequence4 жыл бұрын

    Tony! Never knew that would be one that would apply to street cars too, so that whole every action has an opposite reaction is the mantra amongst us four wheelers... dig it

  • @GlamStacheessnostalgialounge

    @GlamStacheessnostalgialounge

    4 жыл бұрын

    Remember the most important use of that Newton's law, for every part that you fix another one is going to break.

  • @mikeeiben3430

    @mikeeiben3430

    4 жыл бұрын

    Every part you improve so it doesn't fail leads to the next weakest part.

  • @GlamStacheessnostalgialounge

    @GlamStacheessnostalgialounge

    4 жыл бұрын

    @@mikeeiben3430 Yeah exactly, this is why it's better to replace an entire assembly than just one part, even if the rest works perfectly fine.

  • @BrandonV47
    @BrandonV474 жыл бұрын

    Thank you soooo much I was going to ask you about air suspension about 4 months ago but never got around to asking.

  • @connorwhite102
    @connorwhite1024 жыл бұрын

    That car sounds so good. And thank for the information

  • @AtZero138
    @AtZero1384 жыл бұрын

    Thanks Uncle Tony and Auntie Kathy, plus keeping us entertained.. P.s. I will need some serious Slant6 prayers, my Lady needs Her car even more now with a new job, rod knock etc.. Fingers crossed..

  • @UncleTonysGarage

    @UncleTonysGarage

    4 жыл бұрын

    Sendin the good Mopar Mojo your way now, man

  • @MikeBrown-ii3pt

    @MikeBrown-ii3pt

    4 жыл бұрын

    Me too and I'm a GM guy (with a secret love for Mopars). Good luck with your slanty!

  • @AtZero138

    @AtZero138

    4 жыл бұрын

    @@MikeBrown-ii3pt Thanks Brother.. means a lot.. I grew up with Pontiac in my life, 70 Trans Am, 62 Tempest.. my Uncle said.. you like those.. really Haha. Yeah Dart.. thanks again..

  • @MikeBrown-ii3pt

    @MikeBrown-ii3pt

    4 жыл бұрын

    @@AtZero138 Just don't tell any of my GM buddies about my "problem". It's hard enough "Dodging" them when I take my Lil Red or Warlock out for a cruise lol!

  • @AtZero138

    @AtZero138

    4 жыл бұрын

    @@MikeBrown-ii3pt hahaha.. nice.. Our Uncle Tony is on Live.. just in case

  • @onehellofapunkrockshow6181
    @onehellofapunkrockshow61814 жыл бұрын

    I'll say it again. Uncle tony is my spirit animal.

  • @jarrettupward3676
    @jarrettupward36764 жыл бұрын

    Haha hey thanks for making a video on my live question! Your a saint as always man!

  • @timg2776
    @timg27764 жыл бұрын

    Hell yeah. I needed this. For your help.you got another sub uncle Tony

  • @wheels-n-tires1846
    @wheels-n-tires18464 жыл бұрын

    Always experimented with extra spring clamps(sometimes with spring unloaded to hold more arch) n such but never thought about a one sided air system. Duh!!! Good one Uncle!!

  • @hotwheel6663
    @hotwheel66634 жыл бұрын

    Love this guy he is so real no BS.

  • @johngordon7242
    @johngordon72424 жыл бұрын

    I learn so much from your videos

  • @kanjoracer4914
    @kanjoracer49144 жыл бұрын

    Loving the content Tony!

  • @MrClassiccarenthusia
    @MrClassiccarenthusia4 жыл бұрын

    Fascinating stuff! Tony is always teaching us something interesting.. It's not really of any use to me, since my car has a De-dion IRS rear, and when you stomp on it, it just goes without drama. But if I ever have a car with a solid axle in the rear, I will be stealing your knowledge! 👻 Wild stuff!

  • @derekwalker7831
    @derekwalker78314 жыл бұрын

    That car looks so fun to drive! Very cool..

  • @theblacksunshineproject3597
    @theblacksunshineproject35974 жыл бұрын

    Love the old school stuff....

  • @grahamrobson9292
    @grahamrobson92924 жыл бұрын

    Great video

  • @danieljennings7769
    @danieljennings77694 жыл бұрын

    GREAT VIDEO

  • @kingcustomgarage66
    @kingcustomgarage664 жыл бұрын

    Nice video this video is so thankful 👍✌

  • @bccev770
    @bccev7704 жыл бұрын

    Best explanatory always.

  • @gearhead5279
    @gearhead52794 жыл бұрын

    Sounds great 👍

  • @fishypictures
    @fishypictures2 жыл бұрын

    Back in 1977 I installed a set of air shocks on the rear of my 1970 firebird. That thing was insane! I felt every bump and pebble on the road, awful ride but……….. that thing would hook up! On hill jumps in San Francisco it wouldn’t bottom out but bounce like a basketball on big fat Kelly Springfield M50s and 7 inch pizza cutters up front with Keystone classics. You had to be there, good times.

  • @strokermaverick
    @strokermaverick4 жыл бұрын

    Uncle Tony, you’re pretty good... with my help, you...... could be the best!!!!!

  • @leetrotboswell6273
    @leetrotboswell62734 жыл бұрын

    That was cool stuff , your car really runs !

  • @fullthrottlekindaguy
    @fullthrottlekindaguy4 жыл бұрын

    gotta love Uncle Tony's no-nonsense approach. Purple hornies for the win!

  • @tonywhitaker8146
    @tonywhitaker81464 жыл бұрын

    I really like that car. There is just a understated nastyness about a built 4 door.

  • @DavidPerez-cd9tu
    @DavidPerez-cd9tu4 жыл бұрын

    Lots of good stuff UT

  • @lemans3507
    @lemans35074 жыл бұрын

    I use air bags in the coil spring, I feel shock mounts are not made to support weight.you could mount the air bag between the leaf spring and the frame .

  • @troymecey
    @troymecey4 жыл бұрын

    I knew that an air bag in the rear coil did that, like I have done in my 79 Malibu but I hadn't thought of using an air shock to do the same thing like in my 70 Nova. Thanks

  • @UnityMotorSportsGarage
    @UnityMotorSportsGarage4 жыл бұрын

    Nothing like kicking Old School! Works everytime!

  • @immikeurnot
    @immikeurnot4 жыл бұрын

    Heh. One of my friends got in on a pre-reopening at a local drag strip, invited me along. His Cutlass had a decent 350/400 setup, but it turned out it had 2:73 gears. Wasn't too bad, since it was about to shift out of 2nd at the far end, but it was sucking hind tit off the line. It annoyed him when I ran a quicker time than he did in his own car by about half a second, so I taught him about controlled wheel spin.

  • @Trikekid84
    @Trikekid844 жыл бұрын

    What about my dang open diff? Would this help get more traction to the 1 tire?

  • @edfrawley4356
    @edfrawley43564 жыл бұрын

    When I looked at the thumbnail I thought you were going to talk about putting 90/10 shocks in the front to help the front end come up faster to help weight transfer. I have run airshocks in the distant past but never thought of running different pressures. Good to know.

  • @aliassmithandjones9453
    @aliassmithandjones94534 жыл бұрын

    back in the 70's my dad's 'company car' was a metallic grey 74 Coronet. I've liked that body style ever since even though it's a 4 door lol

  • @jeffduncan6825
    @jeffduncan68254 жыл бұрын

    love your videos that car sounds great it makes a really great Sleeper Car not to mention I'm sure it's more comfortable than some of these little cars at least for guys like me I'm a little large and I don't mean tall

  • @VinylMatador
    @VinylMatador4 жыл бұрын

    Uncle Tony, the more I watch your videos, the more I want to turn my New Yorker into a street racing hot rod - thank you for the wisdoms!

  • @robertlee9395
    @robertlee93954 жыл бұрын

    Back in the day, in the Direct Connection Catalog, you could order a bracket that mounted next to the leaf spring, which had an adjustable rod that mounted to the frame rail to prevent axle wrap. Wish I had one on a couple of my cars. I really twisted my leaf springs.

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