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grumby13

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Posts posted by grumby13


  1. @shizzon the charge voltage is remaining at 13.8 when driving and 14.34 on a cold morning start and then it drops to 13.6 or 13.7 when idle that is having a lead acid in the front and the duralast platinum 34r in the back before the duralast would swell up since the hot air from the fan would make it bulge but not putting it in the back it is back to normal shape and resting voltage with car at idle is only .02v off from the front battery. before it would idk about 13.3 to 13.4 when the agm was under the hood and bulged.


  2. i have left over dynamat and just curiousity struck the cat in me so ask if it would make any difference i have an agm in the back and might upgrade the front to an agm and i had a swelling issue before with the agm under the hood it was a duralast platinum 34r and could not figure out why til i looked into it and found it is normal for agms to swell with anything greater then 130F and the engine idles between 150 to 180F.


  3. sorry for asking my question off yours but i might to a big three but was wondering if my original stock battery that is in the trunk be good enough after i do the big three. i have a 130amp alt with 95amps to play with after taking away the power need to run everything else or should i replace it i have an agm auto zone duralast platinum 34r up front but it bulgdes since i do not have a heatshield material to stop it from doing so. my setup is 2 pa mofo's 124x wired to 1 ohm and its being ran by a crescendo bc2000d. so will a big three be enough or should i do big 3 and a second agm in the back if a second agm in the back what should i add

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