Here is a direct quote i got from Jakes Performance when i asked about the 36 element sprag on the street :
"We know of customers that have run the 36 element sprag on street."
Not real encouraging if u ask me!
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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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