Supercharged/Turbocharged The increase in air/fuel pressure above atmospheric pressure in the intake system caused by the action of a supercharger or turbocharger attached to an engine.

hesitation under boost?

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Old Jul 12, 2004 | 09:18 AM
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hesitation under boost?

I have the V2 set up, with the 3.125 pulley, 370cc injectors, and stock ecu. I am still waiting on my 4:1 disc to come in the mail so that I can tune my car. Right now it is running so rich I cannot pull enough fuel out with my safc-II to be able to read my air/fuel on the dyno....at 4K my air fuel drops below 10:1.

I noticed yesterday that under boost (my boost gauge is broken so I dont know what psi) but I was at about 4.5K in second gear my car would stutter. It kinda felt like I would tap the brakes then floor it....I am guessing this problem is related to running super rich for about 1.5K miles....I am thinking possibly I fouled the plugs or I am killing my cat and it is slowly melting together. Anyone had this problem or familiar with it?
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