twin turbo grand national dyno 1075hp.
this twin turbo grand national pulls 1076 hp, on the dyno; while smoking the freggin tires while screaming over 170 mph
1985 BUICK GRAND NATIONAL DYNO TESTING TUNING 281 RWHP METHANOL INJECTED
SV ENGINEERING DYNO 978-278-3559
1464 HP Grand National dyno
Owners name is Jim, this is an 87 GN with a funny car cage, air to liquid intercooler, SBC V8 (yeah, I know), 106mm single turbo, running on E85 ...