Re: L67 specific question
if u mean the hole where the EGR hose goes into the lower intake manifold, the answer's no. the reason is because if u do spray it there, it will be an uneven distribution of alcohol entering the cylinders. the best place would be is having at least 2 nozzles on each side of the lower intake manifold. that means drilling 2 holes on each side for equal distribution.
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