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Stage 2/3 Mud Motor Build | Connecting Rod Prep

Arc Racing Connecting Rod Prep

Getting into the motor build in earnest now. Here’s you’ll learn how to check the clearances and properly seat the bearings onto the connecting rod.

ARC Racing Connecting Rod Installation

The guys at OMB Warehouse gave us all the parts to do the build! Good times. Here are the parts used:

Stage 2/3 Parts for non-Hemi 212CC Predator Engine

ARC Billet Flywheel – Predator 1st & 3rd Generation
Part Number: ARC_6625
https://www.ombwarehouse.com/ARC-Billet-Flywheel-Predator.html

Billet Rod, HF Predator 212cc
Part Number: ARC_6254
https://www.ombwarehouse.com/Billet-Rod-HF-Predator-212cc.html

MOD2 Grind, Predator Core Dyno Cams
Part Number: DC_MOD2PRED
https://www.ombwarehouse.com/MOD2-Grind-Predator-Core-Dyno-Cams.html

Race Ready/CNC Bored Box Stock Carb
Part Number: ARC_DJ-2225
https://www.ombwarehouse.com/Race-Ready-CNC-Bored-Box-Stock-Carb.html?category_id=1623

Honda GX200 18 LB Valve Spring (NON-HEMI ONLY)
Part Number: ARC_DJ-2056
https://www.ombwarehouse.com/Honda-GX200-18-LB-Valve-Spring.html?category_id=1634

Predator Engine Throttle Kit
Part Number: TD_KMPE118
https://www.ombwarehouse.com/predator-engine-throttle-kit.html

Predator 212cc Gasket Kit
Part Number: ARC_DJ-1305P
https://www.ombwarehouse.com/Predator-212cc-Gasket-Kit.html

Stage 2/3 Parts for Hemi 212CC Predator Engine

ARC Billet Flywheel – Hemi Predator 212cc / Kohler CH270
Part Number: ARC_6626
https://www.ombwarehouse.com/ARC-Billet-Flywheel-New-Predator-212cc-Kohler-CH270.html

Billet Rod, HF Predator 212cc
Part Number: ARC_6254
https://www.ombwarehouse.com/Billet-Rod-HF-Predator-212cc.html

MOD2 Grind, Clone Cheater Cam
Part Number: DC_MOD2
https://www.ombwarehouse.com/MOD2-Grind-Clone-Core-Cam.html?category_id=1641

Race Ready/CNC Bored Box Stock Carb
Part Number: ARC_DJ-2225
https://www.ombwarehouse.com/Race-Ready-CNC-Bored-Box-Stock-Carb.html?category_id=1623

(Springs only work with the non-hemi.)

Predator Engine Throttle Kit
Part Number: TD_KMPE118
https://www.ombwarehouse.com/predator-engine-throttle-kit.html

Gasket Set – Honda GX200 / 2008 & Older Clone
Part Number: ARC_DJ-1305
https://www.ombwarehouse.com/gasket-set-honda-gx200.html?category_id=1644

DISCLAIMER: If you remove the governor on your engine, you must use a billeted flywheel. It is highly recommened that you use a billeted connecting rod as well.

Hot rodding mud motors is dangerous. Be careful. Use eye protection, ear plugs, and wear rubber gloves.

I make no claim nor am I liable to nor do I warrant or guarantee your saefty if you perform this procedure. You’re on your own. Be wise. Be prudent in operating said engine.

These procedures all or in part will void the manufacturers warranty. I make no claim, warrant or guarantee that your engine will survive such modifications. You’re on your own. Be wise. Be prudent.

FULL DISCLOSURE: OMB Warehouse supplied all the parts for this build in exchange for placing their logo in the video and providing links to their Web site to the exact parts they sent me.

SOCIAL MEDIA STUFF
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MUSIC STUFF
Country Cue 1 by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Artist: http://audionautix.com/

BWL, vid. Stage 2/3 Mud Motor Build | Connecting Rod Prep.

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Here’s what you’ll need:
*1/4 inch, inch/lbs torque wrench
*ARC Racing connecting rod
*bench vice
*shop towel
*plastiguages (.0025 to .003 inches, not metric)
*assembly lube or 30 wt motor oil.

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Hot Rod Your Mud Motor In Stages

Hot Rod Your Mud Motor e-Course

Hot Rod Your Mud Motor e-CourseOh, I just figured out how to give Darth Predt more power without him totally disintegrating. (Darth Predt is my SPS longtail for those of you who don’t know.) It’s the old stage system. In auto racing drivers and builders refer to a system of escalating stages for any motor build.

Here’s how it works. You buy a basic engine like a 212cc, 6.5 hp Predator, then follow this sequence:

Stage 0

  • Engine acquisition
  • Engine break-in with cheap oil
  • First oil change replace cheap oil with high-end synthetic oil
  • Zero modifications

Stage 1

  • cheap or easy modifications without modifying the motor’s interior components
  • this leads to significant increases in power because you remove the EPA’s restrictive exterior system components
  • add performance intake and exhaust
  • jet the carburetor
  • more power virtually no loss in reliability

Stage 2

  • more expensive or more difficult modifications without modifying the motor’s interior components.
  • billeted fly wheel
  • advanced timing key
  • stiffer springs
  • performance carburetor
  • even more power with little loss in reliability

Stage 3

  • cost effective but more difficult modifications made to the interior engine components
  • camshaft
  • governor removal
  • billet rod
  • high RPM
  • good balance between high power and engine reliability

Stage 4

  • all out, Mad Max, Evel Knievel mods of epic doom
  • high compression cylinder head
  • big carburetor
  • high lift rocker arms
  • lightweight push rods
  • crankshafts
  • basically a total rebuild from the bottom up with all racing grade components.
  • a custom build for a specific application. high torque vs high RPM.
  • most power output, least reliability: get ready to build a new motor after about five trips.

Keep in mind each stage builds off the previous stage.

If you want to know how to build and hot rod mud motors kind these, consider the free Hot Rod Your Mud Motor eCourse.

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SPS Longtail Review | Small Swamp Runner Mud Motor Kit | 212cc Harbor Freight Predator Engine

Detailed assembly and review of the SPS North America, Small Swamp Runner Mud Motor Kit. If Want to know more about how to hot rod these motors for more horsepower and torque, download this free checklist to get started:

How to Hot Rod Your SPS Longtail