Originally Posted by Rowelch
I've been told that the 4.6 L block in the 2005 through 2009 Mustang GT's cannot handle more than 450 hp. If this is true what are some popular swaps if not what can I do to my 4.6 to break 450 hp.
A stock 4.6 can't handle much but just build up and get forged internals and then you can run as much as the little motor can make
2007 Ford Mustang GT 5spd
Brenspeed tune, JLT 3, Hurst shifter, 4.10s
O/R Xpipe, 15x8 Jeg Stars with Micky Thompsons