If you liked the video, Subscribe and Comment. I'm not sponsored so if this type of content doesn't appeal to subscribers, I'll have to stop posting the engine build videos. I purchased these Predator 224 and Predator 212 Hemi engines and performance parts to share the details with you and to have some engine building fun. You're welcome to join me if this kind of stuff interests you, if not, I still appreciate you stopping by and of course you're welcome back anytime.
Thanks, Chris

*UPDATE: At timestamp 26:00 During the voiceover I mistakenly said the Hemi pushrods were "shorter" this is incorrect, the Predator Hemi pushrods are LONGER than the nonhemi pushrods.
Thanks to ‪@ryanclark3789‬ for pointing this out!*

This has been the 224 Predator engine Hemi head swap to build a 224 HEMI head Predator engine. I built this Hemi head Predator 224 engine because I heard a rumor there would be no Predator 224 HEMI engines produced for Harbor Freight. It looks like that is the case as only one part number/ item number is listed for the 224 Predator Max Performance Engine and they all come with the CA emission controls (charcoal canister). I wanted a 224 Predator HEMI engine regardless if they build them or not so let's build one.

Added info: DIY Willy also has a 224 Hemi Head Swap video series out now as well.
Link to Willy's channel:    / @diywilly  
‪@DIYWilly‬

If you're a Kart Racer Check out ‪@franksoutdoorlife‬ for some great Kart Racing content!

Just a quick note regarding the tank vent: I'll likely be using a different carburetor on this 224 Predator Hemi engine in the future if we go with a performance build of some type, but if I decide to keep this carb on the 224 Predator Hemi engine, I'll shorten the tank vent line and connect it to the open port on the breather assembly. Other than rerouting the line from the charcoal canister the 224 Predator HEMI head swap from the 212 Predator HEMI engine is a direct bolt in swap!

The Predator 224 engine is one of the best harbor freight engines to ever come out in my opinion. The 58mm stroke crankshaft and the DUCAR reinforced block are worth the price of the engine alone.

The Stock Predator 224 rod and dished piston combo is below the deck. Mine measured out at .002 below deck (in the hole .002) I left this combo in the 224 Predator engine block as for this video I was only interested in finding out if we could turn a 224 Predator NonHemi engine into a 224 Predator HEMI engine. We may do a performance build on the 224 Predator Max Performance HEMI engine if there is enough subscriber interest.

The 224 Predator Max Performance engine is a direct bolt in swap with a 212 Predator HEMI head. Everything bolts up directly and perfectly onto the 224 Predator Max Performance engine. I did have to install the 212 Predator Hemi push rods along with the 212 Predator Hemi head onto the 224 Predator engine. If you purchase a 212 Predator Hemi engine or Hemi head to do the swap remember to use the Hemi pushrods with the Hemi head install on the 224 Predator Hemi swap. It's easy and everything seems to be a direct bolt in swap if you use a 212 Predator Hemi head you can make a 224 Predator Hemi engine with out of the box parts.

The 224 Predator engine used for this Hemi swap still maintains the stock dished piston and stock rod. For this swap I was only concerned with finding out if the 212 Predator Hemi engine could be used to create a 224 Predator Hemi head engine. I may do a complete 224 Predator Hemi billet rod and piston build with a performance camshaft for this 224 Predator Hemi engine, if there's enough interest. I have some ideas for a piston/rod combination to work with the 224 Predator Hemi head engine that have not been done before to my knowledge. I won't go into detail here as to not give anything away but it will be an interesting build unlike any other you've ever seen.

I will be using the remaining portion of the 212 Predator Hemi engine for a different build project. The little 212 Predator HEMI engine will be rewarded for its sacrifice to the greater good of the 224 Predator engine community.

Parts List to make a 224 Predator Hemi Engine:

1. You'll need a complete 212 Predator Hemi head.
2. The 212 Predator Hemi push rods.
3. Gaskets in case you tear a few: Head gasket, Carb to intake gasket, valve cover gasket, carb to air cleaner gasket. Additionally if you remove the side cover on the 224 Predator engine you may need a side cover gasket as well. You can find a complete gasket kit for clone engines online for less than $10 if you shop around. Most of the gasket kits will fit the 224 Predator engines and the 212 Predator engine without any problems.

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