Adding another battery?

[brenTgrillzem 10+ year member]

Now I'm going to be doing the big 3 upgrade, as of right now I have an Autocraft under the hood. It says 935 cold cranking amps.

My truck has a empty spot above my right front tire where I can add an extra battery battery tray to run another battery.

I don't have enough to buy a yellow top, looking to spend 100 dollars.

If I get another Autocraft at around 900-1,000 CCA's will I be good?

The stuff getting installed:

Sundown 1200D

Sundown 100.4D

A set of Hertz HSK 165's

Alpine 9887

Sub is a 12" Fi BL fully loaded

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[Toone 10+ year member]

if your alt is high enough you coud just run a yt upfront

 

[brenTgrillzem 10+ year member]

I have this alternator:

 

[jdawg 5,000+ posts]

why did you get a 90 amp? Durango with 360 engine and fire truck package has a 160amp

 

[brenTgrillzem 10+ year member]

That's what was in there when we bought it I'm pretty sure

Is there a barcode I can get off of it looking at it and you could look it up for me?

I found that off a website when I typed in my truck information

Edit: my truck is 4WD 5.2 liter 318 engine

 

[jdawg 5,000+ posts]

it should say right on your alt what amperage it is. To answer your first question adding another stock type battery should work. If I was you I would just replace the batt you have with an AGM type batt. You dont have to spend alot on an Optima, you can get a Deka Initimidator or an Exide Orbital for $130 or so.