14cc Head Port And Polish Plus Valve Train Geometry
6,107
Published 2023-08-27
So follow along as we build this fresh new Predator 212 engine into an incredible monster machine..
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Links to Parts used (Affiliate Links)
Fresh HF Predator 212….www.harborfreight.com/generators-engines/engines/6…
Hose braided kit 10' 4AN Fuel Line Hose Fitting kit.....amzn.to/3v3G9YX
Two (2) 4AN AN-4 TO 1/8 NPT Male Thread Aluminum Anodized Fitting Adapter RED....amzn.to/3Ruu7zu
4Pc 4AN Hose Separator Clamps....amzn.to/47YblHJ
ARC (Affiliate Links):
6256 Billet Rod….amzn.to/3Q6zMMq
6625 Billet Flywheel….www.ombwarehouse.com/performance-parts/predator-pe…
6058 Billet Side cover….www.ombwarehouse.com/dual-bearing-billet-sidecover…
OMB:
14cc Cylinder Head….www.ombwarehouse.com/cylinder-head-for-predator-hi…
70mm Flat Top Piston….www.ombwarehouse.com/predator-212-70mm-flat-top-pi…
265 Cam (Non-HEMI)….www.ombwarehouse.com/cm-grind-predator-core-cam.ht…
Stainless Steel Valve Kit….www.ombwarehouse.com/dj-ss-valve-kit-stainless-ste…
308 Cam (Non-HEMI)…. www.ombwarehouse.com/308-grind-welded-lobe-predato…
5.260 Chromoly Push Rods….www.ombwarehouse.com/2-chromoly-push-rods-5-260-gx…
5.200 Chromoly Push Rods….www.ombwarehouse.com/pushrod-3-16-chrome-moly-5-20…
Paul’s Karts:
Paul’s Karts PWK “D” Slide 28mm Carb….www.paulskarts.com/product/carb-gas-pwk-d-slide-se…
PWK Carb Jet kit….www.paulskarts.com/product/jet-set-gas-for-26-28mm…
Billet velocity Stack….www.paulskarts.com/product/billet-2-velocity-stack…
24/28mm Intake Manifold….www.paulskarts.com/product/manifold-mikuni-24-28mm…
Billet Fuel Shut Off Valve….www.paulskarts.com/product/fuel-shut-off-valve-red…
Paul’s Karts Hot Coil (Red)…. www.paulskarts.com/product/predator-212-coil-pink-…
Fuel hose ¼”….www.paulskarts.com/product/fuel-line-hose-1-4-id-s…
3/8” in Line PCV Valve….www.paulskarts.com/product/3-8-in-line-pcv-valve-f…
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Filmed with a GoPro Hero 9 Black
Edited with DaVinci Resolve Studio 18.5
Disclaimer:
Please do not try to re-enact or recreate anything you see in my videos.
DIY Willy does not take any responsibility for injuries or equipment failure created by doing so.
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#ECcarburetors #MegaMoto #paulskarts #HarborFreight #innova #Predator #224 #NIBBI #OMBwarehouse #Gopowersports #212 #ARC #briggsandstratton #Briggs
All Comments (18)
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Good stuff. Love the new turntable! What a great idea!
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I just came across your video and noticed that you have one of my MODIFIED Predator 212 DECALS! Very cool!
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Nice build. You can usually flip the valve cover spacer to put the barb fitting to the left of the plug boot.
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Nice job Willy! And nice swivel table! I used to port my 2stroke motorcycle cylinders and did my Big Block chevy 396ci heads, big time consuming job. Your motor should run really good and strong! You can never be too meticulous in engine building.👍🇺🇸
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The shims are to keep the springs from digging into the aluminum casting
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I bet you can modify the lifters themselves. They're not air tight or anything, just an extension of the pushrod.
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Did you calculate the compression ratio with this combination?What fuel did you run in it?Thanks.
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Just a heads up Willy, stock lifters can handle way more horse power than what you are gonna be making. I've never seen anyone break the stock ones as long as a good quality oil was used and you properly clearance and build your engine. Which you are doing lol
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Hey Willy!!
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did you end up keeping the 5.260 push rods in this build with the 308 or go to 5.200 length?
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the billet lifters also wear out pretty quickly… dlc lifters are better
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i have the same ryobi dremel grinder as you, i found the flex shaft from my broken dremel fits it perfectly, makes it more controlable for me anyway when gringing, hope that helps....
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also and lb over 28 singles don’t have much travel so i’d get dual 32s instead 26s arrent enough for the 308
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How far in the hole is the piston?
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Awsome willy im resting today got my yard mowed yesterday really need to do something today but no energy week straight of 110 plus and WY trip has takin alot out of me
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That’s incorrect the more efficient your engine is the more tourqe you will make. There is nothing efficient at your top horse power rev. There is a big difference between efficiency and the max amount of fire these hot air pumps can move. It takes more fuel being burnt to allow more air though the engine. An engine that is noticeably more efficient will leave your ass out of the corner.
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Waste of time, I’m sorry not to be rude or anything. If you’re going to port a head at least do it right. Change out the stock vavle guide, for some bronze ones. Then shave it all the way down even the guide part so all that flow goes throw the middle and not the side!
