70HP Supercharged Harbor Freight Predator 670cc V Twin Engine Build
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- čas přidán 8. 07. 2020
- How We Mounted The Supercharger - • Mounting A Supercharge...
Alternator Kit Install - • 670cc Predator Alterna...
In today's video we take a Harbor Freight Predator 670cc V twin and fully build it for boost. We install performance 670 custom grind cam, billet rods, billet flywheel, billet .020 pistons, port and mill the head with copper o ring, alternator kit, roller rockers, steel pushrods, HD valve springs, billet valve cover, AMR300 supercharger, and S&S super b carb. This engine should push out around 70hp and 70ft-lbs. Stay tuned for a dyno of this engine and see it in action on our full independent suspension custom buggy!!! Don't forget to like, comment and subscribe.
Parts Used In This Build -
AMR300 Supercharger - amzn.to/32irlFh
AMR500 Supercharger - amzn.to/2CBOIyN
670cc Predator -
670cc Billet Pistons - bit.ly/2Otw8eE
670cc Billet Rods - bit.ly/37iETRv
670cc Billet Flywheel - bit.ly/2O6oVCk
670cc Roller Rockers - bit.ly/346VYvE
670cc Cam - bit.ly/2r8Utyq
670cc Head Work - bit.ly/2XxZJaV
670cc Alternator Kit - bit.ly/2KHatOW
670cc Valve Springs - bit.ly/2XHyVoZ
Holley Fuel Pump - amzn.to/38c7EQE
Holley Fuel Regulator - amzn.to/2YJJLg4
Tools Used -
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
IRS Chassis Parts -
Fuel Filter - amzn.to/3dQw3fz
Fuel Level Sending Unit - amzn.to/2Vz6bP9
Fuel Pressure Gauge - amzn.to/3gfIhQS
Fuel Gauge - amzn.to/3ifuCe5
Voltage Gauge - amzn.to/38gxqmY
Boost Gauge - amzn.to/3ijF1p9
Wide Band Air Fuel Ratio Gauge - amzn.to/3icZGLE
Oil Temp Gauge - amzn.to/3g9w9AL
Oil Pressure Gauge - amzn.to/2Bry8BJ
RPM Gauge Tach - bit.ly/3brVWSk
Roll Over Valve - amzn.to/31xbS46
6an Line - amzn.to/2YMQ6as
3/16" Brake Line - amzn.to/2zkQKln
Brake Line Double Flare Tool - amzn.to/3buGBkv
Brake Line Cutter & Bender - amzn.to/34Z3OIN
Muffler - amzn.to/2O4P58n
Steering Wheel - bit.ly/31IRn0z
Quick Release Hub - amzn.to/2VM7hG2
FOA Shocks - bit.ly/2oeszzU
FOA Bump Stops - bit.ly/31KUQM4
Shocks - amzn.to/2V3lGMJ
½ Heim Joints - amzn.to/2EbdPqA
1” Heim Joints - www.mcmaster.com/catalog/125/...
Seats - amzn.to/2EbfuN9
Roots Style Supercharger - t.ly/DMOr
Hydraulic Handbrake - amzn.to/2VktsTO
Battery - amzn.to/2AIjvpz
Battery Box - amzn.to/31HzYGt
Waterproof Box - bit.ly/31I15Ak
30/40amp Relays - amzn.to/32VgMVY
50amp Relay - amzn.to/2LMKOFA
Relay Fuse Box - amzn.to/2AK4ovX
16 Gauge Wire - amzn.to/359rv0H
4 Gauge Wire - amzn.to/30HQZPr
0 Gauge Wire - amzn.to/2ImazKX
Distribution Block - amzn.to/31PgdN6
Toggle Switches - amzn.to/2LKjibU
50amp Circuit Breaker - amzn.to/2McnaRP
Water Proof Heat Shrink - amzn.to/2MdFVV3
Firewall Grommets - amzn.to/30LnNHp
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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 RBG on ALL DuroMax products for February 2020.
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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.
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To see how we mounted the supercharger watch the video link below! czcams.com/video/3IQ1pOgWDoU/video.html
Can you build me one?
Can I put a supercharger like that on my Harley Davidson Street Glide? I have 131 HP and 149 ft lbs of Torque right now and its definitely way faster than it was but still not fast enough.
Why does the parts list have two superchargers?
I wanna buy one what’s the price
I need one for a mini bike project
I was not expecting that much clarity in the breakdown and build process. Well done sir.
Love your proccess clear as day great step by step all info for all the parts
Was just thinking that
Right!
No filler 100% great vid
I'm quite impressed. This is a very high quality video.
I'm frequently amazed at how mechanics can get all that back together.
Yes me to I would have all sorts of parts left over
@@adytowe7969 I remember putting my Durango back together years back when replacing the trans….I had two really long bolts left and also heard a couple bounce from under and hit the road while driving….needless to say I drove it with no issues for 7 more years before selling it to my neighbor, who still has it. 🤷🏼♂️
Good story thank you for sharing take care mate respect
I'm thinking this would be awsome
If you know you know if you don’t you don’t.
Y’all gave this engine the attention that a race engine might get. Can tell y’all love what you do. Really impressive work!
I really appreciate the amount of detail you gave whilst mounting the piston rings and all the interior crankcase bits and valve train. I could still pester you with questions about reasons for some of the procedures as well as sealing and grinding compounds you used, but you vastly extended my understanding on an engine rebuild. Thanks!
Nah bro , this engine makes 70 hp but probably 120 torque lol
The most amazing thing is that you actually have a 10mm socket, mine all seem to grow legs and run away!
Wesley Jolly I'm sorry I'll give them back
I found one on the ground of a parking lot! Felt like the luckiest day ever .
Right. I have 6 tool sets. I had to make a 10mm wrench out of a 3/8 . With a grinder. I had 6 of them lol
They ran away to go live with the 3/8ths to 1/4 adapters.
What he doesn't tell us is, that motor comes with a free supply of 10mm sockets.
You clearly gained more horses by just removing 80% of that plastic.
Qardo
Coulda gained ten horses with a can of red rustoleum..... everyone knows red is faster....
powder coated crap added 100hp
@@Rick_Sanchez_C137_ ah yes the ol wh40k ork method works best. Not fast enough? Just add more red
Ok, but where's the flaming skull stickers?
You’ll lose power actually. The cover is what makes the fan on the front work, a overheated engine will lose power.
As a mechanic myself this video is a well thought out and planned explication of a how to. Hats off to you for this video as it will guide many to succeed in an endeavour like this.
You did such a great job giving us details on the entire process I feel like I just completed a full class. Thanks!
Supercharging an engine like that to 70 hp is absolutely unnecessary.
That's why I love it!!!
You had me in the first half😂😂
@itp5x5 yep guys use them for kart racing and build out the 212cc usually but aftermarket serves them fairly equally I think. You can get around 30hp out of the 402cc I think k that's the displacement
What’s the build cost on something like this?
I want a hundred from a harbor freight motor so bad idc if they have to make a 4 banger
@@Agilepickleunite They just need a hint of boost or make a diesel.
This is the most detailed teardown and rebuild video - the fact you listed the size sockets etc was icing on the cake. Great job man!
My goodness the amount of available aftermarket parts for these small engines never ceases to amaze!
Hey. Best video ever. You never see videos like this where you are walked through step by step and thoroughly explained everything!! I love it. Can’t wait to watch more of your channel. Thanks for taking the time to be so thorough!
Sooo, you basically bought a complete engine, and replaced Everything, except for the Block and maybe the oil filter. Now all you need is a block, and an oil filter, and you can make a working stock engine with all the spare parts
Right? Order a long block of a pred engine and save time money and waste.
@Ron T exactly way to much work for just a meh idk 70 hp? whoopde du bazzle
@@mikeallen2444
The re-do includes removal of the rev limiting device. That way it is assured the engine will grenade in the first race.
@Ron T he basically built an SV650 motor. Same power output, but the SV doesn't need a freaking supercharger.
Yeah I was watching him pull the engine apart and was wondering why he didn't just stick a wrecked bike engine or 90s honda 1.6 in there. The Honda would have been heavier, but 30 more horse, fuel injected, and a shitload more reliable.
Would have cost way less too.
Great detail on build. I very much appreciate that!
Everyone else always assumes that everyone else has been involved in a build which isn't always so.
Thank You Sir
I don’t do this kind of work but I just wanted to say that this is an exceptionally well-done instructional video.
I'm in no way, shape, nor form a gear head, yet the way you made this video gives me the confidence that I could do this same procedure. You have earned my subscription. Great work and it looks awesome!
The breakdown and build of this was awesome! Your a master at your craft, great build Red Beard!
I thought you were going to jump right into speeding around and yelling at me about how fast it goes. But you educated me and gave me understanding and lead to the final result.
Harbor Freight owes their success to CZcams. They must've sold MILLIONS of these motors. Very cool stuff.
I love how you go in depth with your engine build videos. Thanks for sharing :)
Best breakdown video I have ever seen. When you got done I wanted that engine so bad.
This popped up in my recommendations tab and the title alone made me "whuuuuuuuuuttt?!"
Super badass dude. Definitely inspirational.
WOW!!!!
EXQUISITE REBUILD!!!
WOW!!! It's so rare to find a professional rebuilder like in the old days!!
Thank you, Dear Sir!
For the knowledge, and the professionalism!
I really learned so new gentle torque down tips from you!
And I thought that I took it easy.
Also how to oil the rings on installation!
Thank you again!
This feels like a programming tutorial. How accurate and very well instructed.
Very well explained video. I’m about to reassemble a small Honda mower engine and never would have thought to increase the torque wrench with incremental steps.
Did stuff like this 40 years ago(not boosted) on mini bikes and go carts. This is really cool.
Primo build man. Thank you for offering free advice on setting ring gap, bearing tolerance, and valve clearances
Dude I love you straightforward style man you're so clear on everything on all the different parts on the different lengths all the gaps and everything excellent job my brother
I appreciate that!
Crazy how much stuff is just bolted and attached to that engine. It actually looked like an engine once a bunch of that crap came off it
Achronic Deth As long as you have the baffling around the cylinders, the front cover, and the fan on it then overheating shouldn’t be an issue. Plenty of air should be directed around the cooling fins even at idle.
@Achronic Deth actually the majority of the plastic is there to make sure it doesn't overheat.
Fn epa bs
Shoot I worked on Koehler v twins and they are the same wat with the heat shields. They look so much better without all that garbage on it.
Gotta remember that plastic was designed for stationary use...mowers, pumps..ect.
Hey mate don’t normally comment on videos but but your made a great instructional tutorial! Everything you need and no bs, good tips and I enjoyed watching, you have a talent here!
Damn right block that governor hole. We don’t need no stinking governor!
You are the first person I have heard explain the reason for a PCP valve. Thank you!
Appreciate the full build and info, great work.
I absolutely love how you include all the details, even the socket sizes! That's badass! You make it look and sound sooo easy... I am glad I came across your channel! Amazing production quality. Totally subscribing!
The amount and quality of information that is in this 20 minute video is priceless.
Thank you 🙏🏻
Needless to say, this guy knows his stuff.. nice work 👍👍👏👏
I was expecting more of the stock parts to be used, but this makes sense. nicely done!
You the man for this build red beard! Your talent is being blessed and shows quality thru that mean machine and family. May God bless your mission and friends who help to success
Just don't make him angry.
Haven't seen anything from you in a while, definitely looking forward to seeing this video and your mods on your "fire breathing monster".
Dude, top notch video and I love that you put the socket/driver sizes in the corner.
I had a really good time watching this video. It was so straight forward!
This Chanel has come a long way since I started watching and it’s for the good
I was totally gonna bag on the fact that we didn't see the supercharger install till I saw the other link. Love your vids. Keep it up
Thanks for the great video editing job - unlike most videos of this type, I didn't have to run the speed up to 2X to keep from falling asleep! Very cool mod.
I watched this again came across it out of the blue,and enjoyed it as much as the first time..reminds me of all the time I spent rebuilding stroking my banshee to a 410cc two stroke , little different but still all fun..
I like that this recording started right to the point, introduction is ok sometimes
Thank you for this build. I always like the long play videos where the creator shows every thing he did minute by minute. That makes for a long video but I always enjoy all the problems the mechanic runs into. I have to say, this was really well put together and I enjoyed the pacing. I love to see mechanics rebuilding these predator engines, making them better than they were. What was the total cost of the rebuild of this engine?
I like that you went to the point of detail of putting the fasteners size footnotes in along the way.
Love your step by step instructions! Excellent results!
so, you really could just start with the block assembly. Damn, that thing sounds good! very Ducati'ish! :D great job!
Love this! I don’t see too much in the way of superchargers these days. Speaking of supercharging, I just got an AMR500 to slap on my 1.2L Mitsu triple. Gonna be putting together a vid on it soon, it should be putting down 100+hp to the wheels 😜
no idea this many performance parts were available, amazing.
I like how you go through step by step. This is a very good informative video
When gapping rings always err on the side of caution. You will not hurt the engine being a little loose but if it is to tight you will have catastrophic failure
When it's loose it doesn't feel as good when it's tight
I like how he said to not leave a gap when placing the copper ring in the head and then he leaves a gap.
Noticed that too.. and it was a good size one at that
That was some mighty fine precision work.
I'm 62, I have known some of the Best gas and diesel mechanics. I was Wowed by the Smooth, Real, hands on build. Send this to any supplier you enjoy, and wait. If they want to sell tools, parts, chemicals, You'd be the Guy. I Really respect and Enjoyed Talent in motion. THANKS TOMMY
The idea of supercharging whats really just a large mower engine never once crossed my mind...
My john deere needs some upgrades..
"Honey, I'm going to go work on the mower."
@@jeremymenchaca "Honey, why is the mower making whining noises?"
Nice uniflow 2 stroke conversion, ports intake on bottom exh valves on top, these aluminum blocks are easy to cost into for ports, thinking of doing this with a big v-twin Harley motor, brapp
It’s time to bring her back.
Killed by an engine fire in the 90s, and asleep ever since ....
been really putting this one off 🤓
There's a reason it never crossed your mind... it's moronic, specially when you can buy one hundred hp motorcycle engines all day long for less than $1k that won't blow-up after a few hours of use
You can’t just skip over like half the build like that
I think all that was left was 'bolt on the super charger' the hard part is the internals
@@PhantasmPhoton Did he only show the hard parts in disassembly?
@@PhantasmPhoton Also "I think" that is the entire point. We do not know, but we would know if the video showed it.
How much for this build including the motor itself in the beginning
@@PhantasmPhoton then they need to change the title of the video.
Nice video! Clear explanation of what you were doing. Nice shop too. Keep up the good work!
You jus picked up a subscription - great job mate - its awesome to see someone with great mechanical knowledge teaching the art - and this was art!
So just glancing at the parts list this engine is around 3k to 4k. If you want to go fast you have to pay. Very cool. I would still prefer this over a motorcycle engine to avoid shifting. I have a stock 650 Kawasaki atv engine that i'll use. It's only(lol) around 50hp and not nearly as cool but my frame is smaller and I didn't pay much for it. I just got done putting an old school Briggs 8hp flathead on a vintage McCulloch F1 race kart it's a real hoot.
Honda has a auto motorcycle and many auto atvs
Anyone else want to see a V6 version where you link 3 of those together
Nice video. Good presentation It was a pleasure to watch you tear down and check everything.
Get this to cleetus for his hover craft
Screw Cleetus!
Bri-man Hunter screw you lmao
@@bri-manhunter2654 whys that?
@@cokebetterthanu50 hes saying to lay him. He wants the bald eagles in his pooper. Nasty.
@UCnqYfXpPZ3_8hEtr2t8dYGQ sorry, i know its been 4 months.. laughing my fing tail off. You are freaking hilarious
God I wouldn’t know how to put all them springs and shit back together 😂
Genius, just amazing upgrade there!
Great edit. Very clear and no waste of time. Thanks.
Dabs &RBG for breakfast, that's what I'm talking about
Breakfast of Champs bud
Hell yeah man
Cool project, I personally would have probably used a sport bike motor instead. I imagine it would be more cost effective and more powerful. But it’s still a dope and very detailed build
I was going to comment the same thing! Before all the craziness my ENTIRE 600cc sportbike (2004 Honda CBR600 F4i) was $2300 bucks. I actually got a mint 2005 CBR600RR for $2100 too. Something like 45 ft-lbs 90hp and includes an alternator, wiring, tach, ECU, clutch, transmission, radiator, fans, and a keyed ignition. Wrecked bikes that still run can still be had for even less I'm sure. Then sell off the extra motorcycle parts and you can end up with only $1500 or less in the powertrain. And you get more power and more reliability.
M/C build has no supercharger whine, less low-end grunt, and not nearly as cool though.
Maybe he does it if he races and the rules dont allow it ?....just a thought but i really wouldn't know personally
I enjoyed this video, thks bro..I’m a DVET, master tech, and can’t build anymore, due to being in a wheelchair, so I miss it…nothing beats building with ya own two hands,and enjoying the fruits of labor..
Outstanding presentation! Thank you.
Not a bad way to spend ten grand (Dom's voice)
2004redgto430 Chinese muscle 🤣
I could take it apart, it’s never going to be put back together again!
Sounds gorgeous 😍 Nice work that 🤙
Seriously great detail!
I didn’t see it in the top of the comments I was curious how much everything cost including engine if you don’t mind
I am extremely interested in the final cost for the whole project. I may consider selling my motorcycle to make this
I guess the supercharger install is classified..
I guess. This is kinda click bait.
Yep only reason I clicked
He already did a video on that
That video is linked in he video description. This was to show the build of the engine to get it ready for the supercharger.
@@RedBeardsGarage if you don't put the engine together exactly right you may as well throw the supercharger in the trash, which is where the engine will go after you run it, supercharger is just a bolt-on
Sounds dang good!! Excellent build!
Good to know that there are parts available for that engine. Was considering using one on old Simplicity Lawn tractor
Just imagine how much power, reliable high rpms, and speed you would have if you just started with a motorcycle engine to begin with...
That would be the lazy Boy way of doing things. Plus he might have $2.500-$3.000 grand in parts/boring/machine work. So to go out and get a used engine ($500-$800 ) good luck on Reliability/power. 0r buy a new one from Harley Davidson /Suzuki/Honda etc. That will make 70+ hp. your going to spend $9.000 grand and UP!!.
Okay horsepower masochist. Go ahead and wildly modify your Chinese lawn tractor engine into unreliability. Plenty of good high performance motorcycle engines at the motorcycle salvage - for a lot less than $9,000. I’m just saying that if speed is your goal, starting with a low performance Harbor Freight engine is a colossal waste of money and time
Boring and assumes cost equivalency. Much more interesting seeing an unassuming engine built into something it wasn't designed for.
I am wondering what the finished weight of the engine is after the rebuild. Would you possibly remember or know?
This thing is sick!
Can this handle extreme offroading
A polaris liberty 900 and rotax 850 turbo makes much more power than this 4 joke piece of crap, i would live to smash this 4 joke with a hammer and have fun doing it, haha
@Stable Genius i like your uni-flow 2 stroke conversion, you took this motor from lowley 4 joke to a worth a shit uniflow 2 stroke, keep up the good work, i run xd-100 in my kohler and everything, its a little to muchfor 8 gals for my 8v92 detroit silver 2 stroke though. nice uniflow scavenged 70 hp 2 stroke conversion you have. cot ports into the air cooled jugs i take it. Keep up the good work!
@Stable Genius How does this compare with a rotax 850. im on xd-100 on my converted kohler, but tha oil is 33.40$ gallon for etec 2 stroke oil, i also run amsoil dominator in it to as it is cheaper and runs just as clean!
This is the best step by step video I have seen very informative
Awesome video. It's nice to see someone doing everything right.
"Without leaving a gap" looks like a gap to me bub
I'm pretty sure that's why he said it lol
Awesome Job. How many hp are you expecting?
@@travisryan8311 Should have redone the ring, that gap would haunt if it was me!
uestion:. Since even with properly gaped rings you get some blow by, has anyone ever experimented with putting two compression rings in each ring grove? I know the existing groves might not be wide enough to accommodate two rings each, but they could be widened. The possible advantage would have the two rings in each grove offset from each other thus minimizing blow by and increasing compression with the 4 compression rings on each piston. Just a thought.
@@CTSHOEBOX how would he have redone the Ring?
So are you going to show how to mount the supercharger, alternator, and everything else you put on the engine? The build up to that point was.usefull but what about the rest of it
Clearly in the vid description. This was obviously building the engine, not installing the charger.
I'm probably the 800th person to say this, but just in case nobody else did, you forget to tell people to have the ring gaps opposed and not in line with each other. To limit unnecessary blow by and compression loss. Great video btw!!! I loved it! That thing sounds meaty
this thing looks like a fun little treat to assemble
Man everyone knows how to do this, we just need to know where to get the spare money!
I bet u can't even change oil on your car.
I wish i could even afford a dirtbike
luis trevino I bet u don’t even have a car
luis trevino he’s just here tryna make some jokes stop being a dick lmao
You owe me a 10 second buggy not a 10 minute buggy. *Dom's voice***
Best instructional video on CZcams. That thing sounds mean after the blower!
Congrats for you building, its very clean job, keep going on!
,, Without leaving a gap" leaves a gap of millimeters
I think he realized that once it gets compressed and heated up it will expand. An over expanding gasket can cause serious leaks
Yeah i seen that big gap to 🤣
Hardly a gap. Copper deforms obviously. Pedantry really, even a gap that's not visible is still a gap.
That plastic gear in the crankcase looks like a sure point of failure. Does it drive the oil pump?
A lot of motorcycles and even some cars use plastic gears to drive the oil pump. It'll be fine.
@@brennen6354 i would still trust a steel or aluminum gear over a piece of plastic
Dude that was impressive👍🏾
Not only was this a cool video it was Incredibly well done. I will say I would have loved to see you ripping on the buggy.
All that money in aftermarket parts, would it be safer using a Honda block?
Makes about as much sense as a 500hp stock block 5.0.
Another great video thanks man. That thing looks like a beast!
New sub, this was such a cool project to watch you build I had to subscribe! Thanks for all the detailed information.
While that's pretty cool, I think at that point I'd just pull out an old Honda 1.6L single cam and slap it in. Would probably be cheaper, though you'd have less speed off the line due to weight but a good bit more torque
As I was saying to the other fellow I wouldn't have changed any internals I would have put the butler on there and run the piss out of it anything less than 10 lb of boost is fine with most stock internals in hell if it did break He spent more money in parts You could buy a whole new motor lol
This engine has no cylinder liner, seems to have valve seats machined right into the aluminum head, and probably a number of other cost-reducing design features - hardly worth upgrading this engine I think.
@@lyndonthan4350 all nylon gear wheels see he left one in ,all drilling tapping for a blanking plug ,just glue bolt in not used for any thing,