running car Amps of Power supplies at home.

[bubbagumper6 5,000+ posts]

Radioshack sells 10ohm 10w resisters in a 2pack for only a buck or two however I didn't find any binding posts that were worth it, everything they had was either too small and weak looking or two expensive (hence why I'm waiting on parts from China).

But anyway, that guide I posted suggests using a single 10ohm 10w resistor however it also talks about using a lower impedance to help boost the 12V rail voltage slightly so I plan on running the two 10ohm resistors (remember they came in a 2pack) in parallel for a 5ohm load which still shouldn't get that hot since they will be sharing the load but will help boost and stabilize the voltage.

Here's where he talks about that:

By using two easily obtained 1 Ohm 10 Watt resistors (Radio Shack), we can wire them in series across the +5 volt (red/black) output and increase the load on our power supply with an attendant increase in output voltage on the 12 volt line. Both resistors will be running at about 65% of their rated wattage and will not be damaged by overload. However, they will get very hot -- the single 10 Ohm resistor was dumping about 2.65 watts while each of the 1 Ohm resistors will generate nearly 2.5 times that. To keep them cooled down, it is strongly suggested that both be attached to the PS case with heatsink compound to help reduce heat buildup.
On the power supplies I have tested, all produced higher voltage levels, with increases of .15 to .2 volts and total output of 11.85 to 12.06 volts.

I've found other guides on how to modify the power supply further and basically redesign the circuitry for a single 13.5-14V rail but it's kind of an intricate process and my supply is a modern Antec supply so it's more complex than most of the older ones. I plan on just doing a straightforward mod on this one so I can use it for 3.3, 5, -12, and 12V purposes. If I come across an older crappier supply in the future I may delve into redesigning the circuit for 14V...

 

[Papermaker85 5,000+ posts]

Fail.. They won't share the load..

 

[Pataforce8 10+ year member]

thedatastream - AT PSU Higher Output Voltage Modification

Bubbagumper was probably talking about this site that shows you how to modify a supply to a different voltage. Basically it tricks the built in regulator into outputting different voltages and removes the other rails (3.3v, 5v, etc).

 

[Dirtrider4eva 10+ year member]

Radioshack sells 10ohm 10w resisters in a 2pack for only a buck or two however I didn't find any binding posts that were worth it, everything they had was either too small and weak looking or two expensive (hence why I'm waiting on parts from China).
But anyway, that guide I posted suggests using a single 10ohm 10w resistor however it also talks about using a lower impedance to help boost the 12V rail voltage slightly so I plan on running the two 10ohm resistors (remember they came in a 2pack) in parallel for a 5ohm load which still shouldn't get that hot since they will be sharing the load but will help boost and stabilize the voltage.

Here's where he talks about that:

I've found other guides on how to modify the power supply further and basically redesign the circuitry for a single 13.5-14V rail but it's kind of an intricate process and my supply is a modern Antec supply so it's more complex than most of the older ones. I plan on just doing a straightforward mod on this one so I can use it for 3.3, 5, -12, and 12V purposes. If I come across an older crappier supply in the future I may delve into redesigning the circuit for 14V...

yeah ill put up a pic of mine, even from a 2001, this thing is packed.. kinda ***** if i wanted to do internal work.