I could not get any richer than 13.2 at 6.5lbs of pressure no matter what i did. Thats when i tried an 850 double pump and got the AF down to 12.5 and picked up 3 tenths
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'78 Macho T/A DKM#95, 460cid, SRP pistons, KRE 310 D ports,
3" pypes, Hooker 1 3/4" headers, hydraulic roller,
10" Continental, 3.42 gears
11.5 @117.5mph 3900lbs 
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