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Harbor Freight Predator 224cc Hemi

Posted by ARC Racing on 18th Nov 2024

Harbor Freight Predator 224cc Hemi
Here is an update on the new Predator 224 Hemi engine…Bore X Stroke    2.93" (74.5MM) X 2.03" (51.5MM)We finally got an engine and have gone through what we need to in order to make a decision on building billet parts for it. First off there is already one of our Billet flywheels that fit this engine, part numbers 6626 and 6696 for the Hemi Predator engine. Outside of that we do not see a need for making a billet rod …
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Harbor Freight Predator 224cc

Posted by ARC Racing on 25th Aug 2022

Harbor Freight Predator 224cc
A little break down and measurements of the new Predator 224cc engine. I am only going to highlight the performance parts that will work on this engine to help keep the confusion down. The 224cc engine is 70mm bore and 58mm stroke. Flywheel… this engine takes any of the current flywheels for the Honda/Clone engine. Such as the 6619, 6689 and 6602 models. The OEM starter cup engaged great with a 6619 on this engine.  Connecting Rod… it h …
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Harbor Freight Ghost 212cc

Posted by ARC Racing on 25th Aug 2022

Harbor Freight Ghost 212cc
I know there are a bunch of YouTube and Forum videos/write ups on the Predator 212cc Ghost engine, but none by me yet lol. We’ve had this engine on the dyno and done some tuning as well as a few part swaps. I’m not going to get into the topics the others used or the power it did/didnt make, however what I will get into is using one of our billet flywheels on this engine. As most of you know the Ghost is a Ducar style 212cc engine with a Chinese c …
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Box Stock Project 196cc Engine and Torque Specifications

Posted by ARC Racing on 3rd Jan 2019

Box Stock Project 196cc Engine and Torque Specifications
Type: 4 Stroke OHV single cylinderDisplacement: 196cc (12ci)Bore and stroke: 68mm x 54mmCompression ratio: 8.5:1Oil capacity: 14-16oz full synthetic (racing applications)Clearances and DimensionsPiston to cylinder wall: .0035-.0045"Piston ring end gap: .008-.012"Crankshaft pin diameter: 1.179-1.180"Connecting rod: Big end bore 1.1825-1.183", small end bore .709"Rod to crank clearance: .0025-.003"Crankshaft end play: .010-.015"Valve lash: .001-.00 …
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