Originally Posted by markfhp
you talking about the WRX STi?
it's in A stock; mustangs are in F stock ... that's about all you need to know there.
as for mods? check out the ESP results from nationals (and yeah, i know it rained, but i think the winner was running street tires in the rain, wasn't he?):
1 Andrew Lieber 2005 Mitsubishi EVO
2 John Tak 2005 Mitsubishi Evo
3 Navid Kahangi 2005 Mitsubishi Evolution RS
4 Mark Jorgensen 1998 Ford Mustang Cobra
5 James Elterman 2004 Subaru Impreza WRX STi
6 Charles Moss 1995 Eagle Talon TSi AWD
7 Tommy Pulliam 2005 Subaru WRX Sti
8 Joel Adam Fehrman 2005 Subaru WRX
9 Marcus E Merideth 1996 Ford Mustang
10 Jeff Templeton 2004 Subaru Impreza WRX STi
11 Brian N Burdette 1995 Chevrolet Camaro Z28
12 Henry Botkin 2002 Chevrolet Z28
13 Mark Andy 2001 Chevy Camaro
14 Paul Leonard 2001 Ford SVT Mustang Cobra
15 David Feighner 1995 Ford Mustang
Don't forget Evos and STIs are now in BSP (though "regular" WRXs stay in ESP).
Any stock Mustang will understeer like a pig. Some folks can drive around this (I know I can't).
Do you just want to have fun? Or trophy locally? Or planning on a National Championship jacket?
If the nfirst, either will be fine. If the latter, there is a lot
of planning, research, guessing and preparation to be done. Classes re-align and new cars come out. A 2005/6 Mustang should do fine locally in F Stock, very unclear if it will be competitive nationally.
Are you used to RWD? If so, a Mustang will probably feel nore natural to you. Are you used to FWD? Then a Suburu might seem normal. Then again, A Stock is a tough class, or was at least last year.
There, that was easy, wasn't it?