The big 3 upgrade
 

Has anyone performed this upgrade on their system. If so, what's your current RMS draw from your audio gear and what gauge wire did you upgrade to?

Ummm whats the big 3.....

The “Big 3” upgrade is a swap or addition to these three cables:

1) Alternator positive cable that runs to the positive terminal of the battery
2) Negative battery cable that runs from the battery to the vehicles chassis
3) Chassis grounding cable that runs to the engine block

Haven't done it yet but I absolutely need to due to my audio equipment. Once I get everything in order I plan on doing a DIY.

Any idea what the stock gauge is? I'm thinking of upgrading mine to 4 gauge, but I am not sure if it's worth it.

What system are you planning to run ? I have never seen anyone do this unless they are pushing more than like 3000watts


I-Tapatalk

The total system should be around 2500W RMS.

Lol what are you running ? That trunk is never gonna be the same with that much poundage


I-Tapatalk

Wait for the post and see :)

Did you ever get around to doing this? I'm keen to do it on my 86.

Well since this was 2012 when the last post was made I think its safe to assume that the system we are here to "wait and see" killed him.

The trunk probably rattled itself apart with that much power. Thank god it did.

I have run two amps in my FR-S off one 2awg wire. Had zero issues. Had a cap too, but did not need it, so did not install it.

I imagine that you would need some very hungry amps and subs to need this upgrade. I ran 2 15" earthquakes with a 2000W Lanzar bridged to each one, and a 4 channel amp run to the interior speakers. My headlights dimmed in my Acura.









And, now I can't hear. WHAT???

ha ha ha!