I have not tried that no. Not sure how I'd go about that on a 95 lt1 but I've had pretty good success switching over to sd in terms of drivability, after much tuning obviously. I am running a wideband as well as my factory o2s and they're reading pretty close so I don't know that raw fuel tainting was so much the issue as much as what happens to readings from the maf with big cams. I also don't have as much experience in tuning maf as I do sd but It was a terrible tune, worst mail order I've ever seen. I might mess with it more in the spring or when weather permits but it's started snowing here already
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