Safe power levels for an automatic - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 36 (permalink) Old 01-11-2008, 10:22 PM Thread Starter
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Safe power levels for an automatic

I ahve an 02 Dodge 3500 with an auto tranny. I have some gauges comming exhaust and intake. What is a safe amount of power for the tranny to handle. I plan on upgrading the tranny but dont have the money at this time. Also what are some modules that stack together so when I am ready for more I wont have to get rid of it.:thanks:
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post #2 of 36 (permalink) Old 01-11-2008, 10:52 PM
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I would say 350 HP is about the most the stock auto trans will take without complaining to much...

Edge Comp is stackable with a Smarty... With this stack the power level is extremely high now. Edge Comp 5x5 and Level 8 (No timing) Smarty program is enough to spin the clutch on my 5 speed... Which happens to be above 400+ HP at least...

Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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post #3 of 36 (permalink) Old 01-12-2008, 12:09 AM
 
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Originally Posted by Mopar1973Man
I would say 350 HP is about the most the stock auto trans will take without complaining to much.....
I hope you're joking.
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post #4 of 36 (permalink) Old 01-12-2008, 12:15 AM Thread Starter
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Who makes the smarty box?
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post #5 of 36 (permalink) Old 01-12-2008, 02:04 AM
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Quote:
Originally Posted by Phily 911
I hope you're joking.
Educated Guess...

Quote:
Who makes the smarty box?
Look on this page...
http://mopar.mopar1973man.com/afterm...ct_listing.htm

Michael Nelson - 2002 Dodge Cummins & 1996 Dodge Ram 5.9L Gasser
116K Miles On My VP44 - 4 Years of 2 Cycle Oil Diet! - Mixed at 128:1 Ratio - 25.3 MPG maxed out!
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post #6 of 36 (permalink) Old 01-12-2008, 02:34 AM
 
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MADS Electronics
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post #7 of 36 (permalink) Old 01-12-2008, 03:35 AM
 
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for smarty go www.TSTproducts.com

and for the tranny, around 50 over and you have problems, torque converter and valve body, maybe 75-90, but beyond that, you're looking at shafts and other internals
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post #8 of 36 (permalink) Old 01-12-2008, 04:06 AM
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my experience with them has been about 90hp over stock and witha tc and vb you can get some more, but then you will have to worry about internals slipping.....lets say my 47re had 56k when i bought it and at 80k I had an HTS in.........

03 2500 Ram 4x4 Reg Cab-Diablo Sport Predator/Puck,BHAF,Isspro Pyro,Boost,Trans Temp,Fuel Psi,HTS Race Build Tranny, Suncoast Converter,Silverline Exhaust,BD Lift Pump, 3/8" Fuel Line, Homemade Filter Setup,free mods.
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post #9 of 36 (permalink) Old 01-12-2008, 08:22 AM
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I bought my truck with 80k on the clock, and installed a tranny at 126k, so not that long ago. However, I installed a drag comp and gauges the night I brought the truck home, and within 4 months and 10k I had injectors and a fuel system on as well. So it ended up lasting me pretty well, because it wasn't even completely dead when I switched. However, with all of that said, A friend of mine who's truck doesn't seem to be putting out as much power as me smoked his trans in about 5 months total. It really depend a lot on how you drive it. I'd say with a fueling box on it, with the wire tapped, you will be asking for trouble if you use the power you have.

100hp over, is enough to wear things out. 350RWHP will definitely smoke it.
Sean

2000 2500 reg. cab 4x4 auto 577hp
09 6.7L QC LB stick, 4x4.

TOTAL PERFORMANCE DIESEL 707-545-FUEL (3835)
www.totalperformancediesel.com
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post #10 of 36 (permalink) Old 01-12-2008, 07:19 PM
 
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Stock Transmissions are lucky to handle stock Cummins. You'll see TCC's fried before 100,000 in so many cases. Even with proper maintence. Front bands and O/D's will get smoked as well under stock power. With a good T/C and V/B you can almost double the power w/o problems. All the transmissions I've rebuilt or even just put in for someone had some kind of upgraded V/B. I won't mess around with putting another stock tranny behind a Cummins, alot of shops won't. You'll find alot of tranny shops will put some kind of shift kit/improver in the Dodge Cummins and just don't even mention it to the customer as well.

I wouldn't trust even a Edge Mileage Max on a stock automatic even with Edge saying it's OK. Obviously there are alot people out there with modded engines with stock transmissions. But they are just ticking time bombs.

The 47RE is not a curse, I'm not dogging it either. I love it, it makes me money, but that's besides the point. It's a transmission where everything can get replaced with something better. The more you mess around with them, the more you learn to love them.
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