ULTRA NARROW DIFFERENTIALS - TECHNICAL VIDEO
The video below explains the concept behind our Narrow Differentials and the benefits including longer axles and more wheel travel. Using...
Reverse Drive Quick Change Transfer Case with Under Drive for 4WD Trophy Trucks
We have created a technical video explaining some of the benefits of using our reverse direction quick change transfer case in a Mid or...
TurboWerx Exa Oil Pump Review - Should you buy one?
Do you need an electric oil pump? Engine Oil? Gearbox Oil Cooler? Diff Cooler? What flow rate do you need? 0.25GPM? 2 GPM? 3 GPM? Before...
WILL IFS DOMINATE ULTRA4 EUROPE?
ULTRA4 Expands into Europe Wales Scotland Portugal Italy Will IFS Vehicles Dominate the European Series? The ULTRA 4 series (USA) has...
ULTIMATE IFS WHEEL TRAVEL - THE SEARCH IS OVER
How Much More Wheel Travel Can I achieve? Calculate Additional Wheel Travel Based on Axle Length Proformance Ultra Narrow IFS and IRS...
SOME THREAD LOCKERS CAN AFFECT BOLT TORQUE - BE CAREFUL
Can Thread Lockers SNAP your bolts in Half? During the 6 Month final assembly of our brand new $300,000 Off Road Race Truck, I noticed a...
ARE "LOW RESISTANCE" SPARK PLUG LEADS ALL THE SAME?
What are your Spark Plug Lead Conductors made of? Engine Misfires? After many months of annoying black spark plugs, Proformance...
250 WEIGHT OIL - IS IT A BANDAID?
Do you have to heat your Diff Oil in microwave before you can pour it into your diff casing? Do you have to jack your truck up and run...
COAST TO COAST - RUNNING DIFFS BACKWARDS OR UPSIDE DOWN
Do you ever drive your ULTRA 4 Rock Racer In Reverse? Are your Diffs Mounted Upside Down? What happens to your diffs in reverse? Are they...