Turbo Charging an Engine is a comprehensive project, many factors and parts need to be taken into consideration carefully. Placing Wrong part or incorrect tuning can result unexpected results. We strongly recommend our customers to plan the project thoroughly and consulate professionals.

At CXRacing, we try our best to provide information of some common questions, to help avoiding some mistakes.

- My Turbo is leaking Oil.

Leaking oil on turbo hot-side sometimes happens. Primary it is caused by too much cooling oil pressure (our T3/T4 turbo works best with about 7 psi of oil pressure) blows up the oil sealing ring. To resolve this issue, make sure you check your oil feeding pressure before connect the oil feeding line... ...

- There is no boost.

It most likely is caused by leaking somewhere. Check the piping, hoses and clamps.

- Intercooler Boost Drop.

Intercooler pressure drop is normal, depends on the application. A good designed system should have very small pressure drop (within 0.1 to 0.5 PSI) for low boost application (less than ~20 PSI). 1 to 2 psi drop should be normal as well for high boost application. Sometimes too big of an intercooler... ...

- How to Install a Manual Boost Controller

Prior to installing any manual boost controller, it is important to have already added a high flowing exhaust and an aftermarket air intake/ air filter. This will ensure the car is able to breath, and will allow the turbo to spool easier. 

  • It is illegal to sell, install, or offer for sale any aftermarket part that alters or modifies the original design or performance of the motor vehicle pollution control system. Product(s) listed here is(are) solely for Competition Vehicles(race vehicles) that are for Off-Road, Track Racing ONLY. All parts are for use on a vehicle that will NEVER be used, or licensed, or registered for use upon a street and highway. DO NOT Purchase the part(s) if you are intending to use it(them) on a Street/Highway vehicle(s).


  • These products may contain chemicals known to the State of California to cause birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov.