speedo difference
I am running 4:10 with AOD, 26 inch tires and it looks like I am off about 15-20 mph slow. I didn't go to the trouble of changing the speedo gears as I don't drive it much on the street. Hope that helps.
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87 LX, 74 351W, performer plus intake, holley 750, vac sec., 78 prim. 80 sec., 50 pump: Wolverine cam 292-512, windsor heads, ported 3 angle valve, 4:10 rear, AOD, Lentech valve body w/ 10'' converter. No time slips yet!
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