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<blockquote data-quote="mrray13" data-source="post: 580957" data-attributes="member: 540942">first, get a new battery, like mentioned above. a good optima redtop with 875cca,IIRC, is only $130 bucks. upgradeing the big three is just about $25 worth of wire, connectors and fuse, takes about 1 hr of ur time (depending on where the grounds go and how hard they are to reach.) i picked up almost a full volt just by upgrading two of the big three, i haven&#039;t done the engine to chassis ground yet( i&#039;ve got everything..just lazy...lol)i also have a redtop with an 105amp alt. my voltage doesn&#039;t drop at all..even though i&#039;m only running a pr500d now...before the battery and the big 2 outa 3, i was getting a voltage drop off just 70 wrms..of course the factory battery was only 650cca. (check my sig for truck)sound deading will help, but in extreme case&#039;s i&#039;ve also heard it hurt spl. i&#039;d still do it as it will really improve the sq inside the car. and of course cure rattles outside.but the battery and big 3 are ur easiest ways to gain current which should help with a slight boost in spl. also make sure ur running at least 4 gauge wiring to ur amp, though 0/2 gauge would be better.wheeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee //content.invisioncic.com/y282845/emoticons/peace.gif.2db28b618ed8d1964ebbe2f5021d2c39.gif</blockquote>

[QUOTE="mrray13, post: 580957, member: 540942"] first, get a new battery, like mentioned above. a good optima redtop with 875cca,IIRC, is only $130 bucks. upgradeing the big three is just about $25 worth of wire, connectors and fuse, takes about 1 hr of ur time (depending on where the grounds go and how hard they are to reach.) i picked up almost a full volt just by upgrading two of the big three, i haven't done the engine to chassis ground yet( i've got everything..just lazy...lol) i also have a redtop with an 105amp alt. my voltage doesn't drop at all..even though i'm only running a pr500d now...before the battery and the big 2 outa 3, i was getting a voltage drop off just 70 wrms..of course the factory battery was only 650cca. (check my sig for truck) sound deading will help, but in extreme case's i've also heard it hurt spl. i'd still do it as it will really improve the sq inside the car. and of course cure rattles outside. but the battery and big 3 are ur easiest ways to gain current which should help with a slight boost in spl. also make sure ur running at least 4 gauge wiring to ur amp, though 0/2 gauge would be better. wheeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee [IMG]//content.invisioncic.com/y282845/emoticons/peace.gif.2db28b618ed8d1964ebbe2f5021d2c39.gif[/IMG] [/QUOTE]

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