turboing the horizen
08-09-2008, 03:58 PM
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turboing the horizen
I have an 89 horizen auto and i kind of want to put a turbo on it from another 2.2l k-car. how plausible is it? I'm pretty sure most everything will bolt up since the 2.2l are the same, right? I'm a chevy guy btw. should I be able to just switch out the chip in the pcm, is there even a chip? chevy guy again. will i have to upgrade my fuel pump? do the 2.2l turbo have a larger injector in the TB? I'll prolly put a trans cooler on. any advice or websites that might help me find out more would be awesome. thanks
08-07-2015, 04:46 PM
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The turbo engines are lower compression and the heads have better valves, same size, just better materials to take the heat. The turbo engines use 4 injectors, either under the manifold for 1984-87 T1, on top for 1988 up and all T2 engines. The SBEC (engine computer) for a TBI engine lacks the circuits for the wastegate control, second injector bank, sync signal and will not read the 2 bar MAP sensor correctly. The 1 bar MAP sensor is 5 volts at atmospheric pressure, the 2 bar is 2.5 volts at atmospheric pressure and 5 volts at 15 psi boost. The rods may be the same, and T1 engines didn't have a special crank, T2 and T3 are forged cranks, and T2 engines have floating wrist pins.
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