Horsepower increase

[rollerd]

Anyone know how Ford increased the horsepower on the 2003 T-Bird and can the 2002 be increased without voiding the warranty?

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[Jeffn]

Look in Magazone tests for the new LS and they probably explain the gains there-exhaust, cams, headwork no doubt.

 

[Jeffn]

OK, variable valve timing, and other things in the 03 would make the 02 uniquely slower.