How to Build a Competitive Kart Racing Engine (Stock Appearing)

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Duration: 43:34 Views: 1.2M Submitted: 2 years ago

Description: How to build a stock appearing racing engine from Harbor Freight. All the tools and parts you'll need to take a non-hemi 212 Predator engine from 6.5 HP up to 18 HP. This is my 2nd channel. For all the good content go here: https://www.youtube.com/makesomething **Engine Parts (Total $1184.16 before taxes and shipping)**(Affiliate Links) Non-Hemi 212 Predator: http://bit.ly/38wk5sl 28.5 Intake Valve: https://www.arcracing.com/dj-1122-stainless-steel-oversize-valve-28-5mm/ 25 Exhaust Valve: https://www.arcracing.com/dj-1121-stainless-steel-valve-25mm/ 1:3 Rockers: https://www.arcracing.com/97-113bv-1-3-gx200-clone-black-venom-roller-rocker-set/ Retainers: https://www.arcracing.com/dj-1046t-titanium-retainer-kit-36lb/ Lash Caps: https://www.arcracing.com/dj-1051-high-performance-lash-cap/ 36# Springs: http://bit.ly/39cslww Cam: https://www.arcracing.com/dj-1104p-predator-f-275-cam/ Flat Top Piston: https://www.arcracing.com/dj-1285ph-std-bore-hemi-predator-flat-top-piston-kit/ Connecting Rod: https://www.arcracing.com/6252-arc-billet-rod-040-hf-predator-3-348-x-1-191-x-709/ Long Carburetor Stud: https://www.arcracing.com/dj-1345-bsp-carb-stud/ Billet Flywheel: https://bit.ly/3GCpprK Gasket Set: http://bit.ly/3ovVdGA Push Rods 5.340: https://www.nrracing.com/product-p/cmpr-55.htm Top Plate: http://bit.ly/3q7Tqbf Fuel Pump: https://www.arcracing.com/fpc1-1-fuel-pump-walbro-new-style/ Air Filter: http://bit.ly/3nAnk6a Air Filter Adapter: https://www.bmikarts.com/Airspeed-II-Clone-Air-Filter-Adapter-Bracket--2nd-Generation_p_4934.html Spark Plug: https://amzn.to/3gPgLvw Chain Guard: http://bit.ly/2K1rRkq Pre-filter: http://bit.ly/2XvFBXI Header: http://bit.ly/38udRcs Fuel Line: https://amzn.to/34TICYS Carb: https://www.doverpoweronlinestore.com/catalog/item/8223863/8971820.htm Valve Spacer: https://bit.ly/3hZk9Uo 2° advance key: https://www.arcracing.com/dj-2172-x-offset-key-for-clone-gx200-390/ **Tools Used**(Affiliate Links) Plastigauge: https://amzn.to/3KQHBjP Flex-Hone: https://amzn.to/3s8Ihdw Piston Ring Installer: https://amzn.to/3Fb641P Assembly Lube: https://amzn.to/3kABlBL Ice Pick: https://imakeny.com/products/diresta-ice-pick Piston Ring Compressor 70 mm: https://bit.ly/3s708Sk Torque Wrench: https://www.harborfreight.com/38-in-drive-digital-torque-wrench-64915.html Cut-up Side Cover: https://www.ebay.com/itm/324345592716?hash=item4b8480fb8c:g:tdkAAOSwIgNiZE16 Dye Grinder: https://amzn.to/3LDPGJP Crankshaft Stop: https://www.ombwarehouse.com/3-4-crankshaft-holder-tool.html Valve Grinding Compound: https://amzn.to/3y7SXNk 5.5 mm Reamer: http://www.nrracing.com/product-p/8803a416.htm Valve Guide Hone: http://www.nrracing.com/product-p/bc64m240.htm Valve Guide Remover: http://www.nrracing.com/product-p/07942-8920000.htm Valve Seat Pocket Cutter: Adjustable Range: 1 1/8"- 1 1/4" for 3/8" pilot. (Ebay) 3-angle Valve Job Tool: http://www.nrracing.com/product-p/neway2003a.htm Spring Pocket Cutting Tool: http://www.nrracing.com/product-p/springseatcutter.htm Valve Lapper: http://www.nrracing.com/product-p/pt-w80570.htm Valve Spring Tool (newer version): http://www.nrracing.com/product-p/vspgcompress.htm Kart Oil: https://www.arcracing.com/9806-lucas-4cycle-karting-oil-gal/ Zink Additive for Break In: https://amzn.to/3F96lCi **Stock Appearing Rules** • Stock appearing Clone/Predator that must be pull started with a standard rope. No external compression release. • No strokers. Must be stock stroke. • No external billet parts. No billet side covers. • No external mods. • Must be a Clone or 212 Predator block. No Honda, Tillotson or other blocks. • No head studs, no side cover studs. Must use bolts. • Maximum 2.815 bore. • Carb must be Predator/small block/Clone carb. • Carb cannot have external mods including welding or epoxy on the outside to allow bigger bore. • Choke can be removed and sealed • No fuel additives. (methanol and gasoline allowed) • No block bracing or head girdles. • No aftermarket carb spacer between carb and head and cannot be vented or pulsed into carb or intake anywhere (valve cover spacer allowed). This is the league I race in: https://www.idiotsracing.com/ Here is where I learned how to build racing engines HP Academy: https://www.hpacademy.com/courses/learn-how-to-build-engines/ Book: https://www.ebay.com/itm/262152692345 ARC: https://bit.ly/3F7cIWS 0:00 Intro 0:32 Predator 212 Motor 1:03 Engine Teardown 3:38 Connecting Rod 4:10 Piston 4:35 Crankshaft Clearance 5:38 Cylinder Hone 6:08 Piston Rings 8:32 Crankshaft-Piston Assembly 9:17 Camshaft 10:50 Block Clearance 13:15 Flywheel Assembly 15:08 Ignition Timing 16:56 Ignition Coil 17:27 Cylinder Head Disassembly 18:11 Valve Seat Removal 19:05 Valve Guide Honing 20:38 Cutting Valve Seat 21:24 3-angle Valve Job 22:19 Porting and Polishing 24:16 Head Milling 25:00 Valve Grinding 25:35 Spring Pockets 27:04 Valve Train Assembly 30:22 Roller Rockers 32:26 Finding Top Dead Center 34:43 Set Lash 36:26 Carburetor Assembly 38:25 Top Plate