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| On 06.01.2004 Travis wrote: | | I am currently looking into a 1998 mustang gt. I hear great things about the modular 4.6, but dont like the power and torque output in the pre 99 models. I know the 99+ models make 260 hp(rather than 225)due to a performance cylinder head upgrade. I was wondering whether or not it would be possible to just switch the cylinder heads from a 99+ model to a pre 99 model to make the advertised 260 hp. Also which other modifications did they make to the motor. If so, could i add the power adders for a 99+ model? Any response would be much aprreciated, thank you... Travis | | | | Bill replies: | | Yes it's commonly referred to as the PI headswap. There is plenty of discussion about this on the boards. Same thing for the power adders the lists are endless for options your best bet is to spend some time reading through the MD forums to get an idea of what all can be done. | |
