dmanson Posted April 27, 2010 Report Share Posted April 27, 2010 this is a good topic to start up as i have a 2004 Expedition 4.6L and it sucks on horsepower and performance minus the 24 inch rims, 260 amp dc alt, batteries, sub and amps in the back. Quote 2-DC 15XLM2 D.7s 1-DC 5K amp (1) XS Power D6500(UNDERHOOD) and (1) XS3000(REAR) 3 runs 1/0ga for power and 2 runs of 1/0ga for negative. (2)-RFT165s components, ...... 4 separate 1 inch tweetersRF T600-2(fronts) Punch 450.4(rear) Audiocontrol 3.1. DC power 260amp alternator w/MLA Module Link to comment Share on other sites More sharing options...
smgs92 Posted May 1, 2010 Report Share Posted May 1, 2010 custom tune or chip cold air intake performance exhaust throttle body spacer headers rocker arms not cheap but a turbo will give you a good amount of power 40-50 extra HP theres more but those are the most common Quote Link to comment Share on other sites More sharing options...
OrionStang Posted May 1, 2010 Report Share Posted May 1, 2010 custom tune or chip cold air intake performance exhaust throttle body spacer headers rocker arms not cheap but a turbo will give you a good amount of power 40-50 extra HP theres more but those are the most common Doesn't do shit. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
abaddon Posted May 1, 2010 Author Report Share Posted May 1, 2010 Doesn't do shit. agreed, they are gimmicks. Quote 2003 Ford Crown Victoria P71 2 12" Kicker CVX's Audiopipe AP15001d Stinger SR80 Isolator with DieHard 1200CCA battery Streetwires 0awg Secondary - 1998 Ford Expedition XLT Link to comment Share on other sites More sharing options...
OrionStang Posted May 1, 2010 Report Share Posted May 1, 2010 Don't know your budget but do either A) Full exhaust and cold air intake AND tune or B)just the tune for now if thats all you can afford. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
abaddon Posted May 1, 2010 Author Report Share Posted May 1, 2010 Don't know your budget but do either A) Full exhaust and cold air intake AND tune or B)just the tune for now if thats all you can afford. Well now I just bought an '03 Crown Vic P71 with the same motor so I think I'm going to mod that thing first and leave the Expi alone for a little bit. Planning on 4.10's and some tranny work on the cop car with exhaust. Quote 2003 Ford Crown Victoria P71 2 12" Kicker CVX's Audiopipe AP15001d Stinger SR80 Isolator with DieHard 1200CCA battery Streetwires 0awg Secondary - 1998 Ford Expedition XLT Link to comment Share on other sites More sharing options...
tibs Posted May 1, 2010 Report Share Posted May 1, 2010 biggest gain with the 4.6 is changing the heads and intake manifold unless its a some sort of forced induction Quote Tibs 99 F-150 Build 8 twelves 8 - Re SE 12"s 2 - SunDown Audio Saz-3000d's 1 - vx4004 planet audio amp big 3 1/0 gauge MECHMAN 250 amp alt MySpace Link to comment Share on other sites More sharing options...
OrionStang Posted May 1, 2010 Report Share Posted May 1, 2010 I can't believe i didn't think of this before, but most the guys in my Mustang club are using underdrive pullies. There are kits for the Mustang 4.6, so check if there is a kit for either of your vehicles. This kit minimizes the amount of strain your accessories put on the motor, freeing up power. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
abaddon Posted May 1, 2010 Author Report Share Posted May 1, 2010 I can't believe i didn't think of this before, but most the guys in my Mustang club are using underdrive pullies. There are kits for the Mustang 4.6, so check if there is a kit for either of your vehicles. This kit minimizes the amount of strain your accessories put on the motor, freeing up power. yes! steeda pullies! going to have to order those up because everyone on crownvic.net recommends them right away. Quote 2003 Ford Crown Victoria P71 2 12" Kicker CVX's Audiopipe AP15001d Stinger SR80 Isolator with DieHard 1200CCA battery Streetwires 0awg Secondary - 1998 Ford Expedition XLT Link to comment Share on other sites More sharing options...
OrionStang Posted May 1, 2010 Report Share Posted May 1, 2010 yes! steeda pullies! going to have to order those up because everyone on crownvic.net recommends them right away. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
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