Can You Turbo A Carbureted Engine?

Turbochargers and carburetors can get together under the right conditions it’s about making adjustments and keeping the air-fuel ratio of the engine. The installation of a turbocharger in the carbureted engine isn’t an easy task, but the tuning required should be performed by a professional and under controlled conditions.

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Step 1

Install your turbocharger kit with the turbo output not connected to the engine tubing, following the instructions of the manufacturer. This usually requires the replacement of either or both of the exhaust manifolds with ones that are designed to hold the turbo, or routing the output of your existing manifolds to an ordinary tube (called “up-pipe”) “up-pipe”) on the turbo’s mount. The next step is to locate the oil-pressure line that can connect the turbo or turbos, and also to run the turbo’s output via an intercooler if you decide to install one.

Step 2

Install a modified sealed carburetor to allow blow-through turbo use. These carburetors have sealed throttle shafts to stop leakage of boost, nitrophyl floats that are resistant to crushing under boost, and an accelerator pump linked to the manifold, not increasing the pressure of boost. It is possible to modify your current carburetor to accomplish the same function, but this requires knowledge of the functions of the carburetor, and may make sense.

Step 3.

Connect the intercooler or turbo output to the carburetor by using the blow-through carburetor “hat.” These couplers are the key to in the place where your air cleaner could otherwise be and makes the blow-through configuration possible. The carburetor manufacturer will be able to direct you towards one that works in conjunction with the carburetor you have.

Step 4

Install a high-volume, high-pressure fuel pump, as well as a boost-reference style fuel pressure controller. A boost-referenced pressure regulator can boost the pressure of fuel in the carburetor, linearly as the boost, making sure that air pressure in your intake system is never higher than the pressure of the fuel in your carburetor. If this happens the flow of fuel would slow into a halt, and your engine could be damaged.

Bring your car to a reputable repair shop to have the carburetor tuned to the engine. A qualified technician would place your vehicle on a dynamometer, to test and tune it in any possible acceleration and driving conditions. Tuning time is expensive but, in the end and so are brand new engines.

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