Just found this site from a google search. I've been looking for the virgin ARAR bin for an 89 Corvette for about a year, and finally found it. Mostly have been on Thirdgen for tuning questions and answers, but there seems to be a lot of info here as well. Switched from a stock 350 with 2.59 gears to a 383 with 3.07 gears. The ARAP bin for the 3.07 gears is said to have a more aggressive spark table compared to the ARAR bin that was originally in it. Unfortunately, the stock memcal was unreadable so I had nothing to compare to. So, thank you very much for the info. I'll be around. Steve
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