a dirt bike cylinder on a 372! It can't be done! or can it?

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  • Опубликовано: 3 фев 2025

Комментарии • 175

  • @Magoot2456
    @Magoot2456 3 месяца назад +7

    I love these Frankenstein builds! Very excited to see where you go with this man!!!! :)

  • @mcp47112
    @mcp47112 3 месяца назад +4

    I think I’d leave that giant looking cylinder out there on display, build a dual carb manifold, and finish it off with an expansion chamber exhaust. But anyway you decide to do it will be cool, and I’m sure you can pull it off. Can’t wait to see it!

  • @martyrutter3630
    @martyrutter3630 3 месяца назад +5

    It’s no wonder you are a legend, always looking for something new that no one has done. 👍👍

  • @jansteinar1715
    @jansteinar1715 3 месяца назад +2

    Happy to see you back here. And I hope to see a lot of you and your projects going forward. Best regards from the far north in Norway.

  • @H3110NU
    @H3110NU 3 месяца назад +8

    When I was a kid I used to mess with my nitro .12 motors on my gas RCs… mixing heads and carbs was a ton of fun. This swap does have a ton of problems to conquer and I thibk that’s what makes it so much fun. Gonna be fun to follow this project when you get time to putter with it.

  • @doglegjake6788
    @doglegjake6788 3 месяца назад +5

    Rumor has it that dude has a grizzly bear rug in his living room , But the problem is it's not dead , It's just afraid to move ..... Excellent video

  • @Eric-s5f4z
    @Eric-s5f4z 3 месяца назад +2

    Your not boring me to tears the stuff you think of omg,what a legend thanks for the videos there great

  • @DOtheBOT
    @DOtheBOT 3 месяца назад +5

    this is an awesome build. go for it horse, i personally wouldnt worry to much about case volume . i think it will be alright actually. please go for this build cause thats gonna be a monster

  • @stripersniper1531
    @stripersniper1531 3 месяца назад +2

    Neat project.I know nothing about saws except what I’ve learned here with a few videos.
    Looking forward to see how this comes along and sure I will learn a few things along the way.
    Thanks

  • @Scottyjprice
    @Scottyjprice 3 месяца назад +2

    Good to see you back on this is going to be a fun project. This will be cool to see this run, you should try dual carbs. Have a great day!

  • @Finom1
    @Finom1 3 месяца назад +5

    IRONHORSE, the suspense is way over the top:) I am so excited over here:) You really know how to make this old timer feel like a kid again:)
    I love seeing that gleam in your eyes and that smile when you know there are going to be many Tips & Tricks shared in everyone of your fun educational videos:)💖💖💖💖💖💖💖

  • @WARLOK813
    @WARLOK813 3 месяца назад +3

    Ironhorse you are a wildman. I love it, crank the heat up on this bad boy. I think 2 carbs will be a bear to get ballanced. Im thinking from a multiple cylinder mind balancing 4 carbs on my old VFR 700. Might not even make a difference here. I worry that a single carb puking into that massive intake just wouldnt be able to hold enough density to the carburated air coming from the small throat into that cavernous intake port. Id say 2 carbs may be the only way to combat that. Wow what a project!

  • @dennisconstantine624
    @dennisconstantine624 3 месяца назад +4

    This will be interesting to say the least, could be a real grunty saw, Many Cheers from NZ

  • @BuckYaSaws
    @BuckYaSaws 3 месяца назад +3

    Totally bad ass build man! I 100% believe you can pull it off! Dual carbs would be cool kinda like them wild old race saws. I love crazy ideas. Nice work!

  • @pennyless4tea
    @pennyless4tea 3 месяца назад +3

    Awesome!!! A creative mechanical genius. Love it and nice to see ya back.

    • @theironhorse6600
      @theironhorse6600  3 месяца назад +4

      Thanks for the encouragement, been missing the shop!

    • @Jclutch089
      @Jclutch089 3 месяца назад +2

      @@theironhorse6600do you sell the ram horn muffler for the 395 and 372 like Buckin’ is running?

  • @ronosga4391
    @ronosga4391 3 месяца назад +4

    If all of the reeds have that divider in them, it seems that stacking the carbs and just put linkage between them would perform better. Can't wait to see and hear that saw rip, I had a YZ 250 racer and it was wicked, I can't imagine a saw with those characteristics.

  • @rickfuerst2553
    @rickfuerst2553 3 месяца назад +2

    Definitely thinking outside the box! Great content!

  • @danielsmith-ze3wy
    @danielsmith-ze3wy 3 месяца назад +3

    Nice build thanks for the video hope everyone is having a blessed day

  • @filipefalco
    @filipefalco 2 месяца назад

    Great project. Will just leave some ideas. 1st the stock reed valve assembly might be thinner than the V-Force, giving you more room to pack the carb and air filter. 2nd, the whole intake ports are designed taking into account the existence of a pipe, that will act as another intake port. Without the pipe, it might operate poorly. Only testing will tell. 3rd, given that the refrigeration air flow goes from bottom to top, the fins from the bottom might make a barrier to the air to reach the upper fins, since their are designed to catch fresh air flow from the sides. Maybe drilling some holes will better that. Best regards.

  • @famasmaster2000
    @famasmaster2000 3 месяца назад +2

    Awesome to see you plugging away ! Good on you 👍🏼 great job !!!

  • @Eric-s5f4z
    @Eric-s5f4z 3 месяца назад +2

    Dang! That's a good project definitely thinking outside the box I like it 👌

  • @HayChaffandSawdust1
    @HayChaffandSawdust1 3 месяца назад +4

    If I were to look for a problem with the two-carb set-up, it would be the fact that the carbs will need to be mounted either quite flexible or super-solid on a perfect surface or the throttle shaft will bind... unless a makeshift lovejoy tpye (or any other flexible coupling) is used between the shafts. I would love to see a one-piece shaft machined, but can see potential problems; the "problem" would be exponential with two shafts (choke and throttle). I'm sure you already considered it as you are a problem solver. Problem solving skills are as important to a builder as a T27 is to a Stihl mechanic... sometimes, its as hard to find as a 10mm socket in a shadetree mechanic's blow molded tool box. 😉😂 Love the build; I can already see the completed version in my head!!

  • @tonydefraga996
    @tonydefraga996 3 месяца назад +3

    I've been watching your videos for a few years and I've built lots of saws over the years outta ones I've gotten from the scrap pile . I'll tell you what I've learned when I follow what u say it makes a damn good saw outta a stock saw . And when I thought I could do a little better than you do I would've been better off leaving it stock . That being said thank you for sharing your knowledge with us and to anyone who wants a good reliable powerful work saw listen to Harve he's been there and done it .

    • @theironhorse6600
      @theironhorse6600  3 месяца назад +2

      Thanks for watching and for the kind words.

  • @remigroulx1992
    @remigroulx1992 3 месяца назад +2

    Thanks for showing this video can,t wait for next episode✋🍺

  • @alanwatts9232
    @alanwatts9232 3 месяца назад +3

    Great stuff Harvey. I've often wondered about a 250 in a saw, probably too heavy, might need a Coffman starter.

  • @fabzacres-blackcat
    @fabzacres-blackcat 3 месяца назад +8

    1980 YZ 80 has about 15hp and uses a 28mm carburetor. Case volume will be an issue but there are many ways around that! That’ll be a very powerful saw if built correctly. How long will the bottom end survive at those hp numbers is the $64000 question

  • @daiprout323
    @daiprout323 3 месяца назад +4

    Single carb if you're going to put the top covers on and make it a sleeper. Twin carb and filters if you go the rat rod look, which may be a good idea when it comes to the muffler😁

  • @PaulCarrick-cu5sk
    @PaulCarrick-cu5sk 3 месяца назад +3

    Thinking outside the box ! Love it .

  • @doglegjake6788
    @doglegjake6788 3 месяца назад +2

    Aint nobody in town that can make that Monster bust off but You ,, We know you can do it , Sir 🙌

  • @joshholbert9120
    @joshholbert9120 3 месяца назад +3

    Very exciting to see this project. I have been wondering if anyone ever tried this .
    In my opinion leave it open no plastics dual carbs , I think it will be the equivalent of a ProStreet hotrod .

  • @h200z
    @h200z 3 месяца назад +4

    Put your 371 cylinder on top of the bike cylinder (head to head area) and scribe on the bike cylinder for the cut down of the fins . For a template ..

  • @layman-gc9nm
    @layman-gc9nm 3 месяца назад +2

    Go with the reed set up. I think that would be the most natural and interesting setup.

  • @Finom1
    @Finom1 3 месяца назад +4

    IRONHORSE, we all believe in you, you can do this:) This is so exciting to be here with you in your shop, while you are sharing your creative genius mind with us:)

  • @anthonyyoung7344
    @anthonyyoung7344 3 месяца назад +3

    I got a Husqvarna 266 with a big bore kit a gutted muffler and a big carburetor now it's a 272 and it's a freaking beast.

  • @Finom1
    @Finom1 2 месяца назад +1

    IRONHORSE, we all love you:)
    Happy days are here again!
    The skies above are clear again,
    Let us sing a song of cheer again,
    Happy days are here again! 🙏🙏🙏🙏🙏🙏🙏💖💖💖💖💖💖💖👍👍👍👍👍👍👍👍👍

  • @KodiHarkins
    @KodiHarkins 3 месяца назад +3

    Man, I grew up riding dirt bikes. I had an rm 85 when I was younger and that thing was known for throwing grown men off of it. It's scary to think that kind of power in your hands running a chain lol. I love it.

  • @larryw5429
    @larryw5429 3 месяца назад +3

    I think a single carb off a 3120 saw or some other big cc power saw carb would work better than duals. And it would be easier to fit some sort of plastics on it!

  • @jamiedalluge9472
    @jamiedalluge9472 3 месяца назад +3

    I'd love to see a pioneer build 😉

  • @traynegrau8248
    @traynegrau8248 3 месяца назад +2

    Pretty awesome to see you, so focused .Again, being able to do this doctor frankenstein saw stuff quite honestly he's got nothing on you Horse! Keep on.
    Being awesome!

  • @kurtsteele5587
    @kurtsteele5587 3 месяца назад +5

    Good to see ya again

  • @RonniePurkey
    @RonniePurkey 3 месяца назад +3

    I want to see buck and Billy Ray run that thing❤❤

  • @scottwilson4396
    @scottwilson4396 3 месяца назад +1

    This is freaking AWESOME !!! 😮😊❤

  • @michellatour150
    @michellatour150 3 месяца назад +3

    Brand new out of the box those VForce3 reeds are known for poor petal sealing and,
    warped cages prone to air leaks. IMO two carbs will be hard to fine tune.

  • @Dennisrader-ff9gv
    @Dennisrader-ff9gv 3 месяца назад +3

    Oh heck yeah! Here for this! 👍🏻💪🏻

  • @Finom1
    @Finom1 3 месяца назад +2

    Everyone, when we all share freely the wisdom of the years that IRONHORSE Blessed us with, when we share the years of our own hard work and Blessings, we help everyone in our community grow, especially the younger generation that we want to carry on IRONHORSE's legacy. We show respect to everyone that has been there for us, who has helped us by what they shared with us. It is an example of the Stewardship, showing respect to what brought great joy into IRONHORSE's life, the sharing of wisdom that came from the many years of life's experiences.💖💖💖💖💖💖💖

  • @rustyshank912
    @rustyshank912 3 месяца назад +2

    I would guess that two carbs would be better for this build since it sounds like you might be moving that much more air. I am not sure if it is the same for a two-stroke but a car engine with two carburetors the flow is not double one it is a little less. As for trying to get all the mods to fit under OEM plastic to hide it I would say don't worry about that if one wants that to be done do it on a later build get this build working well first.

  • @closertothetruth9209
    @closertothetruth9209 3 месяца назад +3

    you seem so much better these days

  • @_WatsoBrii94_
    @_WatsoBrii94_ 3 месяца назад +2

    First thing I’m thinking with the dual carb is like that 350 banshees. Thankgod you don’t have to connect them for the airboot manifold 2to1 but I’m very much interested in this and longer videos if you ever decide to 🫡🫡 long time watcher from Pa found ya from buckin. Personally like boyeseen carbon reeds and it’s metal reed block better then vforce when it comes to my rm250 . Also own a 91 kx60 with the steel bar for rear suspension and like you said and many who have ridden it have found out the hard way, small lil 💩 HITS HARD‼️😮‍💨😮‍💨😮‍💨 For exhaust, do you plan on a full expansion chamber or stay true to a saw pipe with your own flare on it? Would be dope to see a yz80 header somehow someway sized down 12 times for a saw lol . But then I can see restrictions from the spiral in the tube/cone. Looking forward to this build tho 💪🏾💪🏾💪🏾

  • @foreverendeavors6210
    @foreverendeavors6210 3 месяца назад +3

    Can't wait to see how this turns out.

  • @TheHiddenBooger47
    @TheHiddenBooger47 3 месяца назад +2

    I always loved the power band in a YZ ! I’d go with one carb.

  • @stoffes
    @stoffes 3 месяца назад +3

    awsome see you working on the saws

  • @alotl1kevegas860
    @alotl1kevegas860 3 месяца назад +2

    Such a cool project. I didn't realize how close you are to me. I have an idea for your carburetors. I was wondering, would it be possible to use 2 carburetors if you stacked them on top of each other? You would have to remove the choke butterfly in the 1st carburetor, so the throttle butterfly in the 2nd carburetor would work. Plus it would be really easy to modify an original throttle linkage, with an additional throttle linkage to connect them together. Then you would only have to make a single linkage for the choke. And a single intake adapter for the carburetors to the reed cage. Or a second idea/question, why not try using a dirtbike carburetor for this project?

  • @BobC14617
    @BobC14617 3 месяца назад +3

    Twin carbs would be a blast!

  • @markmetzger5430
    @markmetzger5430 3 месяца назад +4

    See what Donny Walker says about a big carb from a Mac. Might be an easier fit for a single larger carb than dual carbs.

  • @obbyjep7597
    @obbyjep7597 3 месяца назад +2

    Pretty neat, those bikes were quick. I think leave the cylinder hanging out in the air and run it on methonal to help cool it.. You thinking of running the bikes pipe? Seems like the port timing really needs it on those. I guess if it was used more or less upright you could even run the dirt bike style slide carb. I'm not sure about the air cooled one but I'm pretty sure the liquid cooled mid 80s 80 cc were around 20hp

  • @Brandon-ps7nq
    @Brandon-ps7nq 3 месяца назад +2

    I like the retro/steampunk look with full exposed fins and the twin carbs would only add to the look.

    • @Brandon-ps7nq
      @Brandon-ps7nq 3 месяца назад +2

      Maybe hotrod is a better term.

  • @dougrobertson5966
    @dougrobertson5966 3 месяца назад +2

    I think the throttle shafts will rotate in opposite direction to open flipped. side by side and put throttle shaft of 1 in backwards.

  • @christalbott8446
    @christalbott8446 3 месяца назад +2

    Great to see ya! This is going to be great!

  • @travis48g
    @travis48g 3 месяца назад +3

    Very cool!

  • @Finom1
    @Finom1 3 месяца назад +3

    IRONHORSE, God Bless and Protect you and your loving family for sharing your life and heartfelt words of wisdom for us to live by:) IRONHORSE, you repair, heal and save souls when you share, we all are better for it:)

  • @mikeratcliff3835
    @mikeratcliff3835 3 месяца назад +2

    What a cool idea Harvey, I was thinking about the carbs, what size carbs are the 372 carbs? I did a bit of googling on the old air cooled yz80’s looks like they ran about a 28mm mikuni. I have some vintage ski doo elan 250 single snowmobiles, the old 1971 I’ve got had I think a 30mm tillotsen, then they switched over to a 28mm mikuni in the mid 1980s. There is a world of differece in porting volume and airflow capability of the yz80 vs the old elan singles, likely why they could get away with the same size carb on a motor only 1/3 the size of the sled. The bike has no need of any low end torque as you know with the gearbox and manual clutch, its like riding a blender, off or mach 10! Is the reed block for that motor divided in the centre? Do dual carbs like you suggested with divided intake runners to keep the air velocity up in the intakes. If you went with a large single carb, I’d expect that to make it real lazy on the bottom end due to low air velocity till the rpm really gets there?

  • @deadwolfresistance13
    @deadwolfresistance13 3 месяца назад +3

    I have no doubts 👍

  • @GodsBattleAx
    @GodsBattleAx 3 месяца назад +3

    Gonna love this project.
    I have a 3120 cyl, carb, crank but not sure if i want all the job to fit it in a 154 case

    • @theironhorse6600
      @theironhorse6600  3 месяца назад +3

      You can do it!

    • @EricChmelarsky
      @EricChmelarsky 3 месяца назад +2

      Unbelievable, must be the post Halloween 🎃 😳 video. building a Monster here. The vision in my head is, somehow let the cooling fins stick out the sides of the cover.

  • @griffinphilemon5083
    @griffinphilemon5083 3 месяца назад +2

    Why not use a walbro wb-39 carb? Massive carb. 33.4mm throttle, 28.3mm venturi. The old time kart engine write ups used to show two large tilly HL carbs vs the large tillotson HR carb. the HR made more power than the duals.
    Im sure this would be a similar instance.

  • @PhilipLucion
    @PhilipLucion 3 месяца назад +2

    Old dude I think you are about to make wood eater pour it on lets see eer rip and I'm pretty sure you got this under control much love from SWV

  • @skinnypedaldown5044
    @skinnypedaldown5044 3 месяца назад +2

    For ideal with the dual carbs you might need to use one carb for ideal air. And close the other off for ideal.

  • @DylanSamaroo1995
    @DylanSamaroo1995 2 месяца назад

    Dude this is kick ass keep it up

  • @doglegjake6788
    @doglegjake6788 3 месяца назад +2

    This dude must be a Redbull Chainsaw Project technician .... 👍

  • @jacobrude1957
    @jacobrude1957 3 месяца назад +2

    I’d go yz slide carb and pipe, and machine a reed plate to increase case volume 1 or 2 inches

  • @mikahakkinen5651
    @mikahakkinen5651 3 месяца назад +3

    awesome.have been waiting for this one

  • @longbar105d
    @longbar105d 3 месяца назад +2

    Pretty cool 👍

  • @dbriggs1689
    @dbriggs1689 3 месяца назад +2

    Good luck. Interesting idea

  • @tomintexas817
    @tomintexas817 3 месяца назад +3

    you the man Ironhorse. I have a 72 dt250 yamaha maybe you can help me with my #'s when I port it. it's the reason I learned to port saws😂😊😅😮😢

  • @turckskidoo
    @turckskidoo 3 месяца назад +3

    Love a good project

  • @davesherron5665
    @davesherron5665 3 месяца назад +3

    Just thinking out loud here, but I'm wondering if you could utilize a stratos type carb and intake boot, but adapt a second carb to the upper butterfly? Simplifies linkage issues and it's known to fit under the x torq top cover.
    Thanks for sharing these fun ideas and projects. I love thinking outside the box.. I'd love to hear your thoughts on my idea? I'm going to try and see if I can make it work myself. Have a great day and keep up the hard work on your health. You are definitely an asset to the community. Thank you

    • @HayChaffandSawdust1
      @HayChaffandSawdust1 3 месяца назад +2

      @davesherron5665 Not to horn-in on y'alls conversation, but that's a dandy idea; a variance would be to use the lower throttle lever (style) of a strato saw to drive the other carb's butterfly by a secondary linkage. The pair of carbs could work like a Rochester quadrajet; the second carb could open a little after the first; one carb would probably fulfill the needs at/near idle; it would be a cool sound for the "4 barrel" to open!!! You sir, are on to something!!!

    • @Finom1
      @Finom1 3 месяца назад +3

      Just an amazing idea:) Sharing releases the power of unity and this is an amazing example of that fact:) With the release of the power of unity, we all grow and it inspires all generations to step up and take action in life:)

    • @HayChaffandSawdust1
      @HayChaffandSawdust1 3 месяца назад +2

      @@Finom1 Well said; oft times, recognizing the fact that PRIDE is the obstacle of its success, is the key to successfully sharing ideas. There is fertile ground here for a good exchange!!

  • @blueovalracing1582
    @blueovalracing1582 3 месяца назад +3

    Should be pretty cool once you get it up and going YZ 80 hybrid, Chainsaw cool

  • @Dennisrader-ff9gv
    @Dennisrader-ff9gv 3 месяца назад +2

    Maybe could cut staggard slots in the fins and the cooling might work via convection.🤔? This is gonna be cool!

  • @llewellynquay9463
    @llewellynquay9463 3 месяца назад +6

    "Roost Boost" or "Boost Bottle" for the crank volume?

  • @tonymiles3106
    @tonymiles3106 3 месяца назад +2

    I may be inclined to try the motorcycle carb and figure out how to bypass the float and incorporate the impulse driven fuel pump.

  • @timbarden4578
    @timbarden4578 3 месяца назад +3

    That's quite a unique project..must be a young guy left that comment..saws had adjusters there long before the side cover did..I kinda laughed at that one for sure..these broke ribs are shit for sleeping🙃🙃

  • @martyrutter3630
    @martyrutter3630 3 месяца назад +4

    All you need is a kick start and the rebuild is complete. 😂

  • @jamiewykes8585
    @jamiewykes8585 3 месяца назад +2

    Neat idea! The dual carb idea is cool, but when you flip one carb, won't the shafts have to turn in opposite directions? This is going to be an interesting project

    • @theironhorse6600
      @theironhorse6600  3 месяца назад +3

      Yes but I can just flip over the butterfly!

  • @justincredible7168
    @justincredible7168 3 месяца назад +2

    I would use a Tillotson carb off a KT100 kart engine.

  • @nashr43
    @nashr43 25 дней назад

    Ironhorse I’d love to see more on this and just think of the actual inability of an exhaust pipe the way that comes out at that angle and still keep it out of the way this this is going to be wild

  • @thetwostrokerebuilder
    @thetwostrokerebuilder 3 месяца назад +2

    Problem is stroke is way to short for that cylinder. I've thought about doing same thing but would have to have a rod made longer or something

  • @Husky87539
    @Husky87539 3 месяца назад +2

    If anyone can pull this off, I’d say the doctor uncle Harv can🤙🏻🇺🇸

  • @Finom1
    @Finom1 3 месяца назад +3

    IRONHORSE, this is for you:
    A quote from JOSEPH CAMPBELL - Following Your Bliss: “Follow your bliss.
    If you do follow your bliss,
    you put yourself on a kind of track
    that has been there all the while waiting for you,
    and the life you ought to be living
    is the one you are living.
    When you can see that,
    you begin to meet people
    who are in the field of your bliss,
    and they open the doors to you.
    I say, follow your bliss and don't be afraid,
    and doors will open
    where you didn't know they were going to be.
    If you follow your bliss,
    doors will open for you that wouldn't have opened for anyone else.”
    ― Joseph Campbell
    🙏🙏🙏🙏🙏🙏🙏

  • @74stevedc
    @74stevedc 3 месяца назад +2

    This will be a great video to follow. How much compression are you looking for in this setup 150 psi.

  • @canadianboyee
    @canadianboyee 3 месяца назад +3

    PLEASE turn the heat wayyyy up on this project!!!

  • @BuckinBillyRaySmith
    @BuckinBillyRaySmith 3 месяца назад +6

    You need a race car driver …. I know a guy😂

  • @NickTaylor-lm1lv
    @NickTaylor-lm1lv 3 месяца назад +3

    I think the cylinder should pop out the hood like a blower on a hot rod

  • @shanechristlieb8717
    @shanechristlieb8717 3 месяца назад +2

    My 1st bike was a yellow, 1981 yz80!

  • @juliomcdermott4696
    @juliomcdermott4696 3 месяца назад +2

    Ive ridden a YZ80, now my arms are an inch longer. This saw will PULL.

  • @jeffdillard8789
    @jeffdillard8789 3 месяца назад +3

    Had the same thought she needs dual carbs

  • @JohnBrunner-ym6qj
    @JohnBrunner-ym6qj 3 месяца назад +2

    I am really excited to see this build
    Can you tell me what year the 266 went away from the metal tank

  • @jordanhill5072
    @jordanhill5072 3 месяца назад +2

    What if you stacked the carbs vertical and kept the throttle on same side and connected throttles together with a linkage so one carb drives the other to use factory throttle cable

  • @mikewoode6263
    @mikewoode6263 3 месяца назад +3

    Have you tried the handle bar ?

  • @nickzom
    @nickzom 3 месяца назад +2

    I would run a single Tillotson carb like a old Mac would have

  • @robertgaylor7881
    @robertgaylor7881 3 месяца назад +2

    Dual carbs and full cover case

  • @keepcalm1104
    @keepcalm1104 3 месяца назад +2

    Frankenstein the heck out of it, no need to make it pretty😂