I have a problem with a 91NA / 4 gen swap. It falls on its face - TopicsExpress



          

I have a problem with a 91NA / 4 gen swap. It falls on its face misfiring bad at around 4k but only when boosting above 5psi. A neutral unloaded rev is fine. Fresh plugs. Im thinking the previous owner is mistaken when he says it has an aftermarket pump. I cant hear it at all. My Walbro was loud as shit, this one I cant hear in the least. What else could it be? Or do you guys agree with me? Please play arm chair mechanic with me.
Posted on: Wed, 24 Sep 2014 00:47:53 +0000

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