It definately wakes up after 20psi. Before my GN'1s I ran 133mph in the quarter at 24psi if that helps....
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1986 T-Type
Leather/column
What turbo?
Powerstroke IC, Forged Stroker,GN 1's,Razor alky, XFI, 3.5" DP, Extrm stg2 tranny,TA Headers
PTC 9.5 N/L 3400 stall
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