Optima Bluetop + 200A Alt + Deka +3000W=FAIL!!

[Xprime4 10+ year member]

well 12.2 ain't great , but at least it ain't really harmfull

 

[snb778 5,000+ posts]

details are important. you missed these

well 12.2 ain't great , but at least it ain't really harmfull

i added all details in first post

yes, 12.2 is probably why I fried my amp a few months back... my amp is only pulling 50A right now due to 12.2

will eventually kill my alt, and then kill my batts

It jumps right back to 14 after the note hits... I wonder if going with a kinetik will give it a faster recharge...???whaddya guys htink

 

[DonH 5,000+ posts]

i added all details in first post
yes, 12.2 is probably why I fried my amp a few months back... my amp is only pulling 50A right now due to 12.2

will eventually kill my alt, and then kill my batts

It jumps right back to 14 after the note hits... I wonder if going with a kinetik will give it a faster recharge...???whaddya guys htink

it might but im still wondering wby you getting such a terrible drop of voltage. i know that bt isnt helping for sure. this has become a really big cliche but how are your grounds?

 

[snb778 5,000+ posts]

it might but im still wondering wby you getting such a terrible drop of voltage. i know that bt isnt helping for sure. this has become a really big cliche but how are your grounds?

all soldered terminals...all bolted, grinded grounds

I know, it makes NO sence to me.... i have no ideas left... just doesnt seem like they are charging up quick enough, which leads me to think maybe the Kinetik would be the way to go... I know the Deka is deep cycle, but I dunno if its recharge rate is doin it for me, and I can't fit anything much bigger than the optima under the hood (just as big as stock batt.)

 

[RidnClean 5,000+ posts]

im pretty sure ppl have said this alot.

but why not upgrade alt?

 

[Skip01 5,000+ posts]

Man, 12.2 is decent for that setup.

When you get too low 11s or 10s is when you have problems.

I dont think you could blow an amp for giving it 12.2v, must be something else in there wrong.

Or overheated it.

 

[BassAddictJ 5,000+ posts]

rating on the deka?

there's an outside chance that you're cars chassis isnt the best for moving the amount of current you're demanding. I'd get some more 1/0 and have a dedicated negative run directly to the neg post on the alty. Did wonders in a setup consisting of a 220amp alt, 1 yellow top, and a mojo4kw. I think you would see a difference.

other then that it just sounds like the BT cant handle the stress and/or you dont have enough battery power to back what that amp demands. if you do decide to change up your batteries get a powermaster XS d3100. it'll be the last battery you ever buy //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif if you can find a used one in good condition around the $250 ish range you're set. I personally would get a d3100 for the back and another smaller XS up front.

how close is the amp to the back battery? closer the better. doubt it'd make an auidble differance but any little bit helps.

 

[snb778 5,000+ posts]

rating on the deka?
there's an outside chance that you're cars chassis isnt the best for moving the amount of current you're demanding. I'd get some more 1/0 and have a dedicated negative run directly to the neg post on the alty. Did wonders in a setup consisting of a 220amp alt, 1 yellow top, and a mojo4kw. I think you would see a difference.

other then that it just sounds like the BT cant handle the stress and/or you dont have enough battery power to back what that amp demands. if you do decide to change up your batteries get a powermaster XS d3100. it'll be the last battery you ever buy //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif if you can find a used one in good condition around the $250 ish range you're set. I personally would get a d3100 for the back and another smaller XS up front.

how close is the amp to the back battery? closer the better. doubt it'd make an auidble differance but any little bit helps.

not sure on specs...its the Deka D31...thing is a hog...lots of people on here swear by it....Alt doesnt even have a -terminal on it :-(

I might be selling the car soon so I don't want to spend anymore money on it with electrical upgrades... Its just frusterating because I KNOWW there are people on here running less batt. power and getting better results... bolded part in you're post is exactly what I mean... I've got a G31 Deka on that and 1000 watts less power

*ooooh... i hit 7K posts.. yeyyy

 

[RidnClean 5,000+ posts]

lol you just need to run less power til you sell.

 

[snb778 5,000+ posts]

i know... but I didnt need to buy a 220 dollar battery if I was going to do that... +time it took to install +buying more wire/quick connects/ building a new box for a new sub, getting ALT tested... its like $600-700 in electrical upgrades got me nowhere...and thats a good chunk of change for me.. refer to post 90. http://www.caraudio.com/forum/showthread.php?t=397802&page=6

 

[smoka 10+ year member]

there's an outside chance that you're cars chassis isnt the best for moving the amount of current you're demanding. I'd get some more 1/0 and have a dedicated negative run directly to the neg post on the alty.

Agreed. If you spent that much money already, whats another $40 for some knu 1/0 CCA?

You can check the amp ground to front batt ground with a meter and make sure it is near 0 ohms.

Also put a clamp meter and check the current going to the amp at different volumes and post back.

You really didn't give us much details and from your posts it sounds like you don't want help?

 

[BassAddictJ 5,000+ posts]

the extra rub of 1/0 will make a bigger difference than you think... //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

edit: run*

 

[snb778 5,000+ posts]

Agreed. If you spent that much money already, whats another $40 for some knu 1/0 CCA?
You can check the amp ground to front batt ground with a meter and make sure it is near 0 ohms.

Also put a clamp meter and check the current going to the amp at different volumes and post back.

You really didn't give us much details and from your posts it sounds like you don't want help?

i'll spend another 40...just not another 250 for another HUGE batt... as I said, gas is already down 7-8MPG from this sytem.

as far as wanting help...this is like my 3rd thread on what to do... i've done everything else that's been recommended... I already got it clamped.. it did fine at 200A, but was only pulling 50A from the amp, but thats prolly because the voltage is so low.. Guy who did the test has CA experience...he said the ALT is fine, just seems like the Batts arent getting re-charged fast enough...which is why I brought up the idea of the Kinetik...they are made to have a faster recharge than your typical deep-cycle battery

as far as checking the amp ground for current, should I just run a jumper wire from the amp ground to the front batt??.. obviously the DMM won't reach from front batt to amp in back

 

[IDSkoT 5,000+ posts]

i'll spend another 40...just not another 250 for another HUGE batt... as I said, gas is already down 7-8MPG from this sytem.
as far as wanting help...this is like my 3rd thread on what to do... i've done everything else that's been recommended... I already got it clamped.. it did fine at 200A, but was only pulling 50A from the amp, but thats prolly because the voltage is so low.. Guy who did the test has CA experience...he said the ALT is fine, just seems like the Batts arent getting re-charged fast enough...which is why I brought up the idea of the Kinetik...they are made to have a faster recharge than your typical deep-cycle battery

as far as checking the amp ground for current, should I just run a jumper wire from the amp ground to the front batt??.. obviously the DMM won't reach from front batt to amp in back

We all make sacrifices.

 

[Pyro_By_Nature 5,000+ posts]

the extra run of 1/0 will make a bigger difference than you think... //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

x2

It helped keep my voltage more stable. A run of 1/0 is much more conductive than your vehicle.