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new here my 91 turbo 4.0


I think it is running lean. I like that setup. It needs more fuel though. A lot more.
 
what kind of mileage are you getting? does it detonate much?even the stockers can have detonation probs.
 
it has no detonation problems under 5psi even at wot yet i just keep it turned down because under higher boost it will rattle. Im going to possibly build a plug in play harness for the MSII then build a better fuel system when my pocket allows. its pretty much only going to see the road once in a while until it gets a pair of new heads and im going to look into the fuel delivery. Im really suprise how well its held together.
 

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