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Old 02-05-2008, 10:00 PM   #1
3150Mach1
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Join Date: Apr 2005
Location: Charlottesville, VA
Posts: 13,678
Head differences

Can someone give me the short and sweet differences between:

03/04 Mach1 Heads

03/04 Cobra Heads

FR500 4.6L Heads
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2003 slowmatic 11.105@117mph w/125 shot of Nitrous best to date
Kooks LTsw/OR X, elect cutouts, JLT RAI w/C&L 85 MAH,1" Spacer,PP Lower intake,Accufab TB,160 T-stat,EF Cooling Mod,NX Kit,Mez Electric Water pump,SLP Linelock,FRPP 4.10s-Alum Dif Cover-Alum Driveshaft & SL, Steeda Bumpsteer,MM Alum rack bushings,Deep Alum Tranny pan,Predator,Steeda AUCAs,MM ALCAs, Dspecs,MM CC plates & FLSFCs,MRT Guage cluster,AEM WB,MRT hood struts,Seq TLs, carbon fiber hood/trunk/Cobra wing,220 amp alt
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