big 3 or bigger alt

[peanut123 10+ year member]

im running 2 12 inch cv vmax with a Rockford Fosgate 1501 BD and 1200 in highs and mids and having voltage problems i already have a 5 farad cap and and a deep cycle bat...should i replace my current alt or do the big three upgrade if it helps

87 supra with a 70 amp alt the biggest alt i could find is 100 amps for this make of car

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[jco1385 5,000+ posts]

remove the cap. do the big 3. see what that does for you.

 

[99grandprixGT 5,000+ posts]

do the big three either way.

 

[TurdFergueson2 5,000+ posts]

Big 3 and price a H.O. alt for that car.

 

[93dakota 10+ year member]

2x