Modulus Racing

Modulus Racing Off Road Design, Consulting, Fabrication services
Tech Tips & How-to's
Tacoma Race Truck build, adventures, and lessons learned

Test your vehicle on our RTI ramp, have some good local brews, and support a good cause!
08/22/2026

Test your vehicle on our RTI ramp, have some good local brews, and support a good cause!

Everyone, Sponsorships are now closed for the 2nd Annual Swamp Fox Truck Show, Presented by Royal Lanes ! Thank you to the following:

Title Sponsor: Royal Lanes

Supporting Sponsors:
Southern Anchor Home Solutions
ResCom Designs
Charleston Washing Professionals
Hanahan Automotive and Truck Services

RTI Ramp Provided by: Modulus Racing

This Truck Show benefits the Venture Unknown Foundation !

We are excited and primed up for an amazing event! Be here at Edisto River Brewing Company from 3-7p on September 26th for the best damn truck show in the Southeast!

https://www.facebook.com/share/1DjyKFHv3m/

Another beautiful day in downtown Charleston, SC.  Only a few more days before we trade the pavement for dirt.PRP Seats ...
08/11/2026

Another beautiful day in downtown Charleston, SC. Only a few more days before we trade the pavement for dirt.
PRP Seats keeping me safe and comfortable no matter the terrain





Thanks for the photo Douglas StephensReally cool to know this hat went on a two day climb to the top of an active volcan...
07/09/2026

Thanks for the photo Douglas Stephens
Really cool to know this hat went on a two day climb to the top of an active volcano, hours after this photo was taken.

Big strength, tiny welds.  Grain of rice for scale.
06/10/2026

Big strength, tiny welds. Grain of rice for scale.





06/08/2026

When the hydraulic hole puncher cant reach, there's no better (or faster) way to drill clean, precise 3/4" holes in 1/4" steel plate than the trusy mag-drill. Bolting the new (to us), milling machine to this custom heavy duty table

Don't forget the Anchorlube from to keep those annular cutters running cool and sraying sharp for a long long time.





These are wiper seals.  They have one job, and that is to scrape all of the dirt and grime off of your shock shaft as th...
06/05/2026

These are wiper seals. They have one job, and that is to scrape all of the dirt and grime off of your shock shaft as the shock compresses. As they age, they become hard and brittle, which lets little bits of dirt and sand sneak past and get inside of your shock. This contaminates the shock oil and over time, can significantly wear out the internal components, sometimes beyond repair. This is the only component in a standard shock rebuild that can be inspected without taking the shock apart. Take a peak at yours and let us know if it's time for a rebuild.






Sometimes it's a seal failure, sometimes its a lack of nitrogen pressure, sometimes its pushing your equipment beyond it...
06/01/2026

Sometimes it's a seal failure, sometimes its a lack of nitrogen pressure, sometimes its pushing your equipment beyond its thermal limits, and sometimes its just age. Regardless of why your shock oil would look like this, it will kill performance, and risk damaging the more expensive components of your shocks. Shock servicing is not an option with high end equipment like this. We're here to help. Message us for servicing all makes of off road shocks.

If you want to learn more about shock rebuilding and tuning in person, come out to .south this October to attend our free class. Whether you want to DIY your shock rebuild or have us handle the process, we will be there to teach and answer questions.





Off road oriented exhaust setups are so often overlooked. Usually one of the lowest hanging and damage prone parts of a ...
05/15/2026

Off road oriented exhaust setups are so often overlooked. Usually one of the lowest hanging and damage prone parts of a vehicle. The usual solution is the chop the exhaust under the truck, which can be dangerous to vehicle ocupants, and allow the highly corrosive exhaust gasses to damage orher vehicle parts. This Land Rover Discovery II got a proper high clearance re-route. 3" stainless with a fender exit and flexible bellows.

Love to see people being proactive!!!! This client just dropped off 6  for rebuilds.  They are new to him, and while the...
05/01/2026

Love to see people being proactive!!!! This client just dropped off 6 for rebuilds. They are new to him, and while the appear to be in good shape on the outside, there's no telling what they look like on the inside or how they are valved. A full service is always a good idea after buying suspension components second hand.





Returning to camp after handling a rescue that was called into our trail marshal team at Overland South  2026King Shocks...
04/27/2026

Returning to camp after handling a rescue that was called into our trail marshal team at Overland South 2026

King Shocks
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Charleston, SC
29401, 29403, 29405, 29407, 29409, 29412, 29414, 29424, 29425, 29455, 29492

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