tta used 3.29 and ran a shorter tire at 25.4 vs GN's 26.1
i put 3.23 richmonds in murphsters T mickey pro 275/60 drag radial and he didnt loose any on the 60' (1.33s) vs running 3.42s trapping 145 mph (9.20 ) under 6000rpm
my 86 GN is running same 3.23 gear (gm) 3490# , same mickey pro , havent tried yet to see what i could get out of the 60' more concerned with catching the tree (1.41 ) and usually trapping 139 at 5850
both are running a TH400rmvb , 71hpq turbos (his is BB) ,XFI 83#, 109s 234cube (i have JE he has wiseco) , k1 rods , on alky+ 93, ptc 18 , TAperf 3bolt race headers, through exhaust- atr dual 3" (he has turndowns), he has cottons FMIC i have a v1 , he has champion stock intake pte and powerplate , mine is stock intake egr removed mease plenum.
both roller cam 1.55 T+d rockers, std comp lifters(not limiteds) , he has 224 billet , i have FT 215/220
he has gn1 8bolt unported alum heads ,i have bowl cleaned irons (no where near the champions)