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420cc Hemi Rebuild

133.1K views· 6,780 likes· 78:09· Jun 26, 2025

🛍️ Products Mentioned (15)

Last weak I did an engine swap on a Generac GP6500 due to damage on the head. The part of the casting that holds the exhaust rocker in place broke. Repairing with OEM parts is not an option due to cost. I found a cheap part on Amazon for a Predator Hemi engine. Can that part repair a Generac? We will find out. Generator this engine was pulled from: https://youtu.be/qZnFsOiqzMQ Hemi Head (420cc): https://amzn.to/4k8168X Join this channel to get access to perks: https://www.youtube.com/channel/UCr_GXW2Y56hOpGchXYNqZOQ/join If you want to donate to the channel, you can use the YouTube "Super Thanks" feature or via PayPal: https://www.paypal.com/paypalme/jamescondonYT Visit My Amazon Store: https://www.amazon.com/shop/jamescondon 3M Roloc Bristle Disc: https://amzn.to/4dXJdb5 Assembly Lube (Permatex 81950): https://amzn.to/4cVaKsb Belt Sander (Ryobi BD4601G): https://amzn.to/4d00Ar2 Caliper (Mitutoyo): https://amzn.to/3EKps9G Dead Blow Hammer: https://amzn.to/3U90IMG Feeler Gauge (Lisle 68100): https://amzn.to/4aY3gnm Mini Torch: https://amzn.to/4bZTku4 Squeeze Bottle: https://amzn.to/4cW0GjF Starter Rope #5: https://amzn.to/47OZT1G Test Tank: https://amzn.to/3wi6DXG Threadlocker Permatex 24010): https://amzn.to/4lPqen7 Valve Spring Compressor: https://amzn.to/40ZhVeP I no longer use Harbor Freight Super Heavy Duty Degreaser in my ultrasonic cleaner. Harbor Freight changed the recipe. The bottle previously stated "NON-CORROSIVE". Now it says "CORROSIVE", "do not user on Aluminum". It now damages most carburetors. Recently I have been using Simple Green PRO HD with good results. #GeneratorRepair #Generator #SmallEngineRepair #SmallEngine #DIY #Fixed #Troubleshooting #HowTo #Generac #Hemi #EngineRebuild #HondaClone 420cc, Broken Rocker, Broken Snap Ring, Burnt Oil, Engine Rebuild, Engine head, Fixed, Hemi, Hertz, Honda Clone, How To, How-To, Item 60349, Predator Hemi, Push Rods, Rebuild, Repair, Small Engine Repair, Small Engine, Starter Recoil Repair, Too much Lift, Troubleshooting, Valve Adjustment, Valve Lash, First Start

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