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30Hp 40Ft-Lbs Of Torque!!! Duromax 440cc Stage 4 Engine Build 

Red Beard's Garage
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Today we tear down and build a Duromax 440cc engine using parts from Go Power Sports. We install a billet rod, billet flywheel, .308 cam, 1.2 ratio rockers, 65lbs double valve springs, chromoly push rods, 34mm flatslide carb, milled and ported head and top plate. This engine is capable of making close to 30hp and 40ft-lbs. Don't forget to check out the links, subscribe, share and like to keep the videos coming!!!
Use 20% code RBG720 on ALL DuroMax products for July 2020 bit.ly/3894jRJ
Check us out on ROKU - bit.ly/30lHmaA
Merch & Events - bit.ly/33YbmtO
Parts
Duromax 440cc Engine - bit.ly/2X0FDG2
440cc Stage 2 Kit - bit.ly/34iuHpg
Top Plate - bit.ly/34aphg0
34mm Round Slide Kit - bit.ly/2PeTnL1
34mm Flat Slide Carb - amzn.to/34g5qvK
Intake Manifold - Coming Soon
Stainless Header - bit.ly/35gNC5g
Chromoly Push Rods - bit.ly/36tsskn
Ratio Rockers - Coming Soon
Head Work - lfrsmallengine@gmail.com
Tools
Valve Spring Compressor - amzn.to/2rwLqbg
Piston Ring Compressor - amzn.to/2YITNwr
Piston Ring Tool - amzn.to/2sp60tT
Valve Grinding Compound - amzn.to/34fNAt9
Feeler Gauges - amzn.to/35iUM9c
3/8” Torque Wrench - amzn.to/2RKP8bR
½” Torque Wrench - amzn.to/36pwLx2
Calipers - amzn.to/2LPlVbT
Bore Gauge - amzn.to/2YLKxb0
Ring Grinding Tool - amzn.to/2ROOvOr
Merch & Events - bit.ly/33YbmtO
Check Out Go Power Sports for all your Go kart needs!
bit.ly/2viX9vP
Parts & Tools used on the channel - amazon.com/shop/redbeardsgarage
Quantum Welding Table - bit.ly/2HVk8jl
Everlast Welder - bit.ly/2T0V0xK
DuroMax Generators, Pressure Washers, & Engines bit.ly/3894jRJ Use 20% code RBG720 for July 2020.
Tube Buddy Affiliate- www.Tubebuddy.com/RBG
1740 Beard Balm - bit.ly/32L1eVS - save 15% with RBG15
Help support us on Patreon - patreon.com/redbeardsgarage
Want to donate without the commitment? - paypal.me/redbeardsgarage
Want to send us something?
Red Beard's Garage
P.O. Box 572
Sweetwater, TN 37874
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Instrumentals by Chuki Beats - / chukibeats
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*********Disclaimer*********
Please do not try to re-enact or recreate anything you see in these videos. We are trained professionals. Red Beards Garage does not take any responsibility for injury's created by doing so.
#RBGKarts #RedBeardsGarage

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16 июл 2024

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Комментарии : 901   
@chuckstruck69
@chuckstruck69 4 года назад
I've been watching your builds for a couple of years, this is by far the best tutorial you've cranked out yet. Enjoying watching your channel and content improve!
@lisbethsiliezar6376
@lisbethsiliezar6376 3 года назад
Fffffffffff
@lisbethsiliezar6376
@lisbethsiliezar6376 3 года назад
3 99
@lisbethsiliezar6376
@lisbethsiliezar6376 3 года назад
V
@nethanjaylubapis6787
@nethanjaylubapis6787 2 года назад
How to order sir?
@sapujagadchanel7346
@sapujagadchanel7346 2 года назад
Mantap
@Ennerm
@Ennerm 4 года назад
I love how it shows the socket size, saved a lot of time 🙏🏻
@iamlonefrog4866
@iamlonefrog4866 4 года назад
Thanks RedBeard... for taking the time, can't wait to see what you get into at the new shop.
@PLASMA33HD
@PLASMA33HD 4 года назад
This is definitely one of your best vids yet, can't believe you just happened to post a vid like this because I've always ran 212s but was recently thinking about doing a big block however wanted to know how much meaner they sound lone behold I stumble across this good work man keep it up
@monster2269
@monster2269 4 года назад
Another great build! I like the new intro; it gets right to the point. Information presented is in bullet format = excellent!
@FordGTmaniac
@FordGTmaniac 4 года назад
The finishing touch for this engine should be an AMR300 supercharger, it'll take advantage of the ported head and bigger valves and really make that thing scream.
@RedBeardsGarage
@RedBeardsGarage 4 года назад
Oh its coming sir
@minibikemadman
@minibikemadman 4 года назад
Ya those amr's are bad ass blowers.
@dr.e23tlss17
@dr.e23tlss17 2 года назад
@@RedBeardsGarage hello sir, may I ask for instructions on modifying the gx460, I want to ask how to increase the speed when used in racing on water
@papabits5721
@papabits5721 4 года назад
Sounds great, Sunday morning after a snow storm running it in a snow blower
@zacharymartini9472
@zacharymartini9472 2 года назад
I love going to even old videos to find parts it saves a big headache and clears up confusion
@Guido_Sarducci007
@Guido_Sarducci007 Месяц назад
Fantastic cam lift and port size! I like the carb mist reversion when you blip the throttle.
@boltonky
@boltonky 4 года назад
Great video as always and the more i watch this stuff and whats available i see the same things as cars all these billet parts in cast bodies and what breaks when something goes wrong typically the block. Keep up hard work so others like me can dream :)
@cbr600rx7
@cbr600rx7 4 года назад
Great video. Thank you for taking the time to do this. One video suggestion I would like to see is a sub 4000rpm torque build. For guys who swap out old Tecumseh or Onan engines and still use there tractors around the house or for class limited 4000rpm pulling classes.
@kokoeteukpong8211
@kokoeteukpong8211 3 года назад
Just found your channel and I must say Redbeard you are a great guy, thank you so much for the knowledge. Blessings.
@TheHasan187
@TheHasan187 Год назад
I watched this video from beginning to end. I wish I had the tools to do this to and engine. You showed everything that you would need but I don't think I have the time to do this. Great job man. Love the work.
@junnelraga1178
@junnelraga1178 2 года назад
wow, that was insane engine. imagine of to 8000 rpm. hope that philippines have like that engine for fishing boat
@dennissastini3312
@dennissastini3312 4 года назад
Amazing tutorial I have never seen you do or anyone else do a better and more informative video GREAT JOB 👍🏼👍🏼👍🏼👍🏼👍🏼
@robakagyser2300
@robakagyser2300 2 года назад
Nice build! Looking forward to seeing the upgrades to this engine.
@thomaspigg306
@thomaspigg306 4 года назад
I'm glad you put my mind at ease... in the beginning of the video it looked liked the table was "dancing" just a little 😁🤣. What did the Duro-Max start out as far as hp and ft/lbs torque??? 30 ponies and 40 ft. lbs.,... She's a little monster!!! Great build and video! God Bless and Keep'em Rollin!!!
@aayourlikertv4467
@aayourlikertv4467 4 года назад
This is one of my dream to buy engine like this already revolution😍😍😍 am from Philippines.
@Quentins184
@Quentins184 4 года назад
AA Your liker TV go for it then
@paulcaruthers9647
@paulcaruthers9647 3 года назад
Great build and video RBG, fun to watch!
@robbygee2539
@robbygee2539 4 года назад
I am a firm believer in the DuroMax engines. I run them on everything. Very good engines straight from the box.
@Tomsfoolery.
@Tomsfoolery. 4 года назад
I put one in a golf cart and it was a beast!
@KuntalGhosh
@KuntalGhosh Год назад
Not as good as honda but for the price it's really good
@shaunhuckabee5904
@shaunhuckabee5904 3 года назад
Love the vid as usual. Amazing build and I'm wondering how you have your 34mm jetted for the slow and main. Insane throttle response.
@viperkill3
@viperkill3 4 года назад
I can't watch these kinds of videos without wanting to do the same to my lawnmower 😂
@viperkill3
@viperkill3 4 года назад
@@clayton203 that this would drag you all over the place haha
@MasboyRC
@MasboyRC 4 года назад
You make ordinary engine to be an extraordinary and powerful engine, awesome !!
@johnniezam3283
@johnniezam3283 4 года назад
simple but perfect.. no mess with complicated wiring thanks give me ideas
@retrox684
@retrox684 4 года назад
Lmao I was literally thinking about a high spec duromax earlier today and here you are uploading about one
@ridthailand5207
@ridthailand5207 4 года назад
I love this channel from Thailand🇹🇭
@minibikeaction4266
@minibikeaction4266 4 года назад
Man! the ports on that engine are huge!
@toddedington9684
@toddedington9684 4 года назад
Nice Build Greg!
@pablosway
@pablosway 4 года назад
Did you think these setup work on the chinese versions? I had lot of those engines at my work
@tarpforlife
@tarpforlife 4 года назад
Can you provide the link for the Ratio Rockers, please? I’m currently doing a very similar build on this same motor.
@arthursmith5409
@arthursmith5409 4 года назад
Hey Beard Dudes, your videos are looking like a TV show. I like it.
@WorivpuqloDMogh
@WorivpuqloDMogh 3 года назад
Watched 2 seconds and i already love it. Subbed
@daveshaw9344
@daveshaw9344 4 года назад
That engine will shake itself to bits in no time
@BubbaB43
@BubbaB43 4 года назад
Why, I've been running 2 big blocks without the balance shaft now for years, both turning around 7500 rpm's and I've not had any problems at all! The balance shaft was designed to smooth the engines idle and nothing much more! Hell some of my clone big blocks didn't come with balance shafts and one of my Honda GX270's didn't.
@NathanLeMarbe
@NathanLeMarbe 11 месяцев назад
@buggylife7625 Not only removing the balance shaft but changing the rotating assembly weight. I build car engines and watching this makes me cringe. a $150 balance would save you blowing up $1k in parts here.
@camogaming2612
@camogaming2612 4 года назад
u should invent a 4 speed manual transmition for a small engine.
@nick4506
@nick4506 4 года назад
don't reinvent the wheel, just use a dirt bike engine. it's cheaper and more powerful than doing a build like this.
@nick4506
@nick4506 4 года назад
@mister clean shifter carts use motorcycle engines... its the same transmission
@BigCroca
@BigCroca 4 года назад
pit bike engines have those
@gregorylankford114
@gregorylankford114 4 года назад
Why not just use 3 wheeler setup, they use centripetal clutch and 4 or five speed gearbox some with hi/lo!
@backyardrestorations
@backyardrestorations 4 года назад
Y e s
@Hawaiian.808
@Hawaiian.808 3 года назад
Wow nice build I was trying to look for a website like this to get some go kart fun. Will be taking notes.
@CheapBikeOwner
@CheapBikeOwner 4 года назад
I can’t wait to see this motor push 50 hp!
@nachothemacho0389
@nachothemacho0389 4 года назад
How much can the stock internals handle, in terms of rpm
@robinsongonzales6953
@robinsongonzales6953 4 года назад
Hi, what I like the most is how you prepare the plants I am about to prepare one as well as in the other fan noodles I'm crazy with that
@SportbikerNZ
@SportbikerNZ 3 года назад
Man, really good engine build vid. Just makes you want to see that tweaked out unit ripping on a kart so bad!
@samwestoby140
@samwestoby140 4 года назад
You make it look so easy ,dam your good love ya back
@keithw372
@keithw372 4 года назад
i would use a stone to smooth the edges of the rings, they are hard and a file will hardly touch them. and use a micrometer not calipers.. love the channel keep it up
@seanwalker5157
@seanwalker5157 4 года назад
when you consider the cost of the engine and all those fine looking parts and the labor I am wondering if it wouldn't have been better to get 3o hp Rotax or equivalent and have a better engine?
@blackturbine
@blackturbine 4 года назад
You can go to the scrap yard and snach 30hp rotax from a jetski and rebuild it And it will still be only half the cost
@benbarkey8333
@benbarkey8333 3 года назад
How much is this to do I’m looking into getting a good engine on my bike and making it street legal
@SL4US
@SL4US 3 года назад
@@benbarkey8333 just get a cheap crotch rocket lol?
@oscarsomers8597
@oscarsomers8597 3 года назад
@@blackturbine do you know the name of those jetski's?
@williamrodriguez1959
@williamrodriguez1959 4 года назад
Kinda getting into a new hobby, biggest fan, trying to learn n meet yu guys. Ya the best. Got my coleman ct200u up to 55 mph
@RedBeardsGarage
@RedBeardsGarage 4 года назад
Thank you for supporting the channel! We have some meet ups this year. Try and come!
@markswearingen1966
@markswearingen1966 3 года назад
I enjoy your videos and everything you do.
@TheSodaMyLife
@TheSodaMyLife 4 года назад
Ну наконец то мой культиватор начнёт нормально копать.
@user-hi6xy1ky7p
@user-hi6xy1ky7p 4 года назад
Алексей Таловин турбину поставь
@HobbyMotorDK
@HobbyMotorDK 4 года назад
This you do best :-)
@gtbarreiros
@gtbarreiros 4 года назад
Great job, in Brazil de have a this Motors with 43hp, and reliability. Fortex, for go karting.
@PaulThomas-qo9vy
@PaulThomas-qo9vy 3 года назад
Greg, 04MAY21 just saw DuroTech YT add for the 18hp big block featuring footage from RBG, incuding your sweet mug! I started cheering as I saw it. Congrats!.
@minibikeaction4266
@minibikeaction4266 4 года назад
I think keeping the balance shaft would have been a good idea. Probably any power loss would have been marginal.
@RedBeardsGarage
@RedBeardsGarage 4 года назад
It would have defiantly kept the vibrations down but would have made it rev slower. We are doing a billet stroker crank next and it is balanced so no more vibrations
@K_M_M_G
@K_M_M_G 4 года назад
Im not understanding what needs to be balanced since it is a single cylinder engine. Thoughts?
@sifuentes31
@sifuentes31 4 года назад
@@K_M_M_G balancing the crankshaft so that the rotational mass is zero'd out. That way he can eliminate the balance shaft. The Rod and piston stay the same since its a single cylinder.
@saltysteel3996
@saltysteel3996 4 года назад
Why not add a 6.6L Duramax turbo diesel to a Go Kart? lol
@alexgriffin6785
@alexgriffin6785 4 года назад
I want a diesel one so bad 😂
@The73idigarage
@The73idigarage 3 года назад
If u want a diesel engine then go with Kohler diesel engines. Small diesel engines yu can add a turbo to
@kenjohnson5498
@kenjohnson5498 4 года назад
It's a beast!
@ericvaughn8741
@ericvaughn8741 4 года назад
I was always told to put the opening of the wrist pin clip parallel to the stroke , on a high reving motor that will prevent clip from closing when the pistion changes direction , if the clip comes loose the wrist pin will walk out and destroy the cylinder wall
@Thedeaconoftrade
@Thedeaconoftrade 4 года назад
Im curious, why remove the ballance shaft? would drastically decrease vibration keeping it in.
@crazymower4343
@crazymower4343 4 года назад
I think it would be removed for the reason of the shaft being out of balance naturally it would shatter as well as may not clear connecting rod
@John--cu2yu
@John--cu2yu 4 года назад
It's removed to lower the rotational mass, anything driven by the crank will use the engines power to rotate, this obviously leads to slight power loss and less responsive throttle.
@John--cu2yu
@John--cu2yu 4 года назад
With changing the piston and rod you've changed the harmonics in the crank so the balances haft wouldn't be any good any more anyway
@NathanLeMarbe
@NathanLeMarbe 11 месяцев назад
Yep, crank needs to be balanced after changing rotating weight and balance shaft removal.
@redbudestate865
@redbudestate865 4 года назад
A little more too it then bending the governor spring. :)
@cahtaleablaput5636
@cahtaleablaput5636 4 года назад
Sir new subscriber from the Philippines,I like the way you work,and I like an engine like that,😍😍😍😍
@Tomsfoolery.
@Tomsfoolery. 4 года назад
16hp duromax in my old golf cart squealing tires! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-jMxf9g5CsEo.html
@TACOMASRT5
@TACOMASRT5 4 года назад
As a fellow gearhead I totally understand building an engine. This is totally cool. But why wouldn't you just buy a bigger engine. Wouldn't it be cheaper in the end? Or is it more of a weight saving thing...?
@thomasloebig8612
@thomasloebig8612 4 года назад
TACOMASRT5 probably weight and size. It’s the same power if a predator 720 but it’s so Much smaller
@baron30001
@baron30001 4 года назад
Why not just use a 450 mx bike engine. More power than this engine will ever make, lighter and has a full gearbox and clutch.
@thomasloebig8612
@thomasloebig8612 4 года назад
baron30001 thats a good question. Part of it may be wanting to actually do something yourself. But I know people have made shifter karts in the past and they are STUPID fast.
@ericstevenson3738
@ericstevenson3738 4 года назад
50 hp? 😵 I would be scared to push for those numbers on that engine. How effective is the oiling system (or lack of) at those RPMs and that power?
@theoldfartschannel3692
@theoldfartschannel3692 4 года назад
I'd be more worried about the block. I'd start with a 10 bolt block from Vegas Cart or Bullfrog to put that much money in, turning those RPMs with that compression if I wanted it to last.
@grizzz7960
@grizzz7960 4 года назад
or he could stop wasting his time with these small kid engines, buy a 450cc dirt bike engine (which already make 54 hp) and mod that out and squeeze 64hp out of it
@BubbaB43
@BubbaB43 4 года назад
@@grizzz7960 wasting his time? He's sponsored, he makes a damn good living building these little "kid engines" look at his house, shop, tools, property, toys, etc.... and all that from building these kid engines, lol, who wouldn't.
@BubbaB43
@BubbaB43 4 года назад
@@theoldfartschannel3692 That is a 10 bolt block!
@theoldfartschannel3692
@theoldfartschannel3692 4 года назад
@@BubbaB43 Seriously? Wasn't aware DuroMax 440cc engines were 10 bolt blocks. Any beefier than a 420 Predator otherwise, that anyone has noticed?
@lalthazovakhawlhring2985
@lalthazovakhawlhring2985 4 года назад
Wow!!!! Great,Huge.Salute👍👍👍👍👍👍
@kolniel618
@kolniel618 4 года назад
Amazing build😮 It's good for Philippine racing boat👍👏
@thatonedude1815
@thatonedude1815 4 года назад
You think your slick I saw the supercharger in the thumbnail
@DeliciousDeBlair
@DeliciousDeBlair 4 года назад
Imbalance and vibrations will destroy an engine. ~( ,m,)~
@israelpantoja8132
@israelpantoja8132 3 года назад
Duh
@guspompa3283
@guspompa3283 4 года назад
Super super awesome job thanks for teaching that
@sabrom
@sabrom 4 года назад
Nice thorough, well detailed explanation and assembly of the motor R.B.G can't wait to see what is does.
@lickalittle
@lickalittle 4 года назад
Keep in mind both the Duromax and predator engines are identical besides that there made by different companies in China there both Honda clones, the spec's are slightly different, So BUYER BEWARE, QUESTION RB... Why did you not reinstall the generator It won't work or the flywheel is not compatible: racing motors on go karts needs Light's in the darkness when you're LIT 🤣😳😅
@robbygee2539
@robbygee2539 4 года назад
DuroMax is California... Not China.
@user-tk3uy7jl9x
@user-tk3uy7jl9x 4 года назад
Sounds mean! Awesome job!
@doraemonallsubtitleschanne2736
@doraemonallsubtitleschanne2736 4 года назад
Nice build i haven't try but i believe to your build🤩
@bigreddaman5988
@bigreddaman5988 2 года назад
That thing sounds badass
@jesuslopez6866
@jesuslopez6866 2 года назад
Thats bad ass bro love it
@zmac7467
@zmac7467 3 года назад
Wow, impressive Nice Job!
@mingusbreeze
@mingusbreeze 4 года назад
Thanks,that engine sounded real good.
@michaelmooney3890
@michaelmooney3890 4 года назад
That thing is sinister I would like it on a mini bike
@kerbygator
@kerbygator Год назад
Damn , that sounds good.
@sbranham86
@sbranham86 4 года назад
That would be awesome on a mud skipper twister
@Seany_Productions
@Seany_Productions 2 года назад
Wow nice job
@SouthernGuy4343
@SouthernGuy4343 Год назад
I just love the videos bud
@gaming_goat8357
@gaming_goat8357 3 года назад
Nice the 2 step fire 🔥
@bossjhecchannel2099
@bossjhecchannel2099 4 года назад
I wish to have engine someday Also boat for fishing Nice to watch your great job sir
@felonebike9859
@felonebike9859 3 года назад
Your really trying to get me spend this damn money! Damn you Red Beard! 🤣
@brianmeattey4151
@brianmeattey4151 4 года назад
Great vid bud I would have had a few questions on the build. but not many channels reply to any questions. so didnt bother bud but love the vid and godbless .
@RedBeardsGarage
@RedBeardsGarage 4 года назад
We try to answer all we can
@madblackastra1951
@madblackastra1951 4 года назад
Fun engine for 45km cars we have in netherlands
@mecanicadepequenosmotoresg9662
@mecanicadepequenosmotoresg9662 3 года назад
Excelente colega Barbaroja💪
@ashrafegaming6250
@ashrafegaming6250 2 года назад
I love this enjin👍👍👍👍
@chrissanford471
@chrissanford471 2 года назад
Wow you're so epic man. I'm saying even if I had the time and tools I still would never be able to do what you do .. it's truly be fun and so cool to watch..... Could you build me one I can pay ? Lol
@gaming_goat8357
@gaming_goat8357 3 года назад
I’ve bin watching you since the manifold build 5 years ago but then I got my I pad 1 one year ago so then I Joni you tube 8months ago
@davidramirez4615
@davidramirez4615 4 года назад
You just gained more subs. Thanks
@DuroMaxPower
@DuroMaxPower Год назад
Love this!
@mrjams6140
@mrjams6140 4 года назад
Waaaw awesome bro!
@melvingonito3666
@melvingonito3666 3 года назад
Wow i need the same engine for my boat:)
@johnwolf339
@johnwolf339 4 года назад
Ive been fortunate to have been watching this channel for some time now. Finally a duromax build! I have a duromax 18hp on my 1975 wheelhorse trail mower. Sadly, the engine was pretty smashed up out of the box. Fuel tank was crushed and the air filter housing was destroyed. Been hunting for a new air filter system because the factory accused us of damaging the motor so they wouldnt swap it or refund it. However, i tried to locate these new components for light modifications and horsepower gains, but the site doesnt show ANY listings for duromax engines
@kennethcarroll4994
@kennethcarroll4994 2 года назад
Did you get that engine to work on your wheel horse ? We are putting an 18hp duromax on my 1970 raider 10. I'm looking for an exhaust header to make a custom stack work that I had made for it.
@lindad.8412
@lindad.8412 4 года назад
Sweet video red beard! You've came a long way since I've started watching you. I wonna see you do a big cam build on a 212 or one of the new tillotson motors! I have yet to see a detailed video on this. Like what to expect on running into like piston to head and piston to valve clearances. a build with like a f275 292 or 310 cam with roller rockers would be awesome
@RedBeardsGarage
@RedBeardsGarage 4 года назад
We will do one this coming year sir
@lindad.8412
@lindad.8412 4 года назад
@@RedBeardsGarage cant wait its gonna Be epic!
@jasonwilson9207
@jasonwilson9207 4 года назад
Your vids are really informative as a mechanic myself anyone who watches you could go do something successfully after. My question is what do you do with the OEM parts? I have a recoil start duromax 440 on my magnatrac and would like to convert it to electric start and see that you have those parts leftover from this build
@MauroPereira1000
@MauroPereira1000 4 года назад
Regards from Brazil!
@perdanaawan6463
@perdanaawan6463 4 года назад
Good job
@rytvdinners5064
@rytvdinners5064 4 года назад
You've come a long way since a few years ago. Nice work. I'll be checking out that 50 horse monster. I wonder if a guy could play around with a piece of Steel or lead in between those fins to figure out where the imbalance is... Probably 180 ish. From Top Dead Center. Would make a big difference in power. Reliability and driveability... Peace
@solarflare1008
@solarflare1008 4 года назад
Men you look doing that, like a piece of cake. I wish some day I can deliver your talents. "Feliz Noche Buena" and Merry Christmas.
@davidramirez4615
@davidramirez4615 4 года назад
Weirdo
@Mudmowerdiesel
@Mudmowerdiesel 4 года назад
Awesome video
@user-gt3xx6lc1o
@user-gt3xx6lc1o 9 месяцев назад
I like to set pushrod length so at 1/2 valve travel rocker is parallel to head or valve cover surface .that way rocker angle stays as small as possible on both sides of travel
@IgorGiganskiANtiatom
@IgorGiganskiANtiatom 4 года назад
The hp isn't crazy but the Torque is! 5,5 kg-m is insane for this small engine
@harkherald2745
@harkherald2745 4 года назад
Sir im so amaze about how you upgrade,the engine,i'm a beginner boat racer here in philippines,i dont have any idea to add power to lower hp engines,like 6.5,can i have any tips or idea from you any recommend demo videos
@terrytreloar4295
@terrytreloar4295 4 года назад
love this
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