I single wrench mine, I must be stronger than everyone else.
No really, double-wrenchng would work. Make sure the rear is ON STANDS AND NOT ON RAMPS. Had one roll off on me one time putting the shaft in
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2001 Mustang "Mach 1" SVO siamesed 351 stroked to 417ci,Yates heads, solid roller,Trans King glide.
Best 1/4 ET 9.17 (ALL MOTOR)
Best 1/4 MPH 147
My Car