Gasoline direct injection (GDI) engines have become increasingly popular ... and other combustion byproducts are rerouted into the intake manifold for emissions compliance. These substances ...
Since intake manifolds on our engines tend to be removed quite often ... This may require re-tuning the carburetor idle ...
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How Much Power Can we Squeeze Out of GM’s Tiniest 4.8L LS Engine?carburetor, and a FAST LSX-R intake manifold. All in all the dyno had a few surprises in store for us, but the engine surprised us all with a power number far exceeding its meager 292ci stature.
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