The stock control arms are a real limitation. The rubber bushings are way too compliant. Get rid of them and use something like the Megabite Jrs or Factory Five arms. You don't say what gear you're running, but with the AOD I'd hope its at least a 4.10, preferrably a 4.30. You should be able to get your short time down between 1.60 and 1.70 with the 26x8.5 slick.
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Jeff Chambers
Trophy Stock #3
11.97 Seconds / 114.5 MPH
Chambers Racing Team