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| 12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps |
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#1
12-10-2012, 08:27 PM
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how much can i turn up my 12 valve
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#2
12-10-2012, 08:40 PM
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I'm having my share of problems with the standard tranny holding up (~300 HP),
I guess you should post a bit more info about how you use the truck, and someone with auto tranny experience can help... If you don't use your truck for towing, you can probably put a bit more power down, maybe just slide the stock fuel plate forward would wake it up a little bit without just ripping things to shreds. I'll let an auto tranny person have the last say though
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#3
12-10-2012, 08:46 PM
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I drive the truck every day to work i dont tow alot but i do haul hay 2 5x5 round bales at a time and large loads of fire wood in the box frequently
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#4
12-10-2012, 08:50 PM
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I would *guess* that if you manually over-rode the upshift so it's not at full throttle during a shift would help the tranny cope with the added power... Also a good tranny oil cooler is essential even without power upgrades
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#5
12-11-2012, 08:18 AM
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My brother just traded his 95 dodge cummins with an auto. He ran it for a good while with someone upgrades without known problems. He slid the fuel plate all the way forward and noticed a good chunk of difference in throttle response, but it does hurt your mpg's a bit. He also took out the turbo silencer ring. There is no difference in power whatsoever, but you will notice a WAY better sound. I suggest you get a straight piped exhaust before doing any of this. Good luck to you!!!
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#6
12-11-2012, 09:35 AM
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Does broken off count as strait
 i have the four inch pipe waiting to go on her i just want alittle more power 185 hp isnt cutting it any idea how much power sliding that plate makes 250 hp would be plenty but i dont know if the overdrive auto trany can handle it
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#7
12-11-2012, 11:12 AM
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I think your ***-dyno would already be pleased with just sliding the plate forward... a 3K governor spring kit would do the rest, and that wouldn't jump the torque up too much for the tranny, just prevent it from starting to defuel at 2200
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#8
12-14-2012, 09:13 AM
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If you slide it all the way forward, I think it should give you around 70 horses. That should get you to your goal. I would suggest a better intake setup and an afe air filter. Although the plate helped, it felt like it had trouble catching enough air with the factory setup.
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#9
12-14-2012, 09:19 AM
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I've been talking it over with the auto guys around here...
Seems it's the low end grunt that blows up the trannys... I'm not familiar enough with these automatic trannys but if that's true, just yank the plate and set your AFC full forward but crank the starwheel towards the cab for a slower spool up 
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#10
12-15-2012, 10:27 AM
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#11
12-15-2012, 12:52 PM
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I think the best and safest thing would be to just do the 3k GSK, as that won't increase total torque, it'll just make it rev more freely, as opposed to starting to defuel at 2300 RPM
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#12
12-16-2012, 06:09 PM
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fuel plate f/f exhaust bhaf 3ks boost elbo and some guages should do you good the 3ks will make the truck totaly diff.. pedal will be touchy and yould have alot more passing power.. thats what i have done to my 96 and it beats the hell outa my stock 95! been dd and towing with it like this going on 2 years and have no had one problem.. my trans was new when i bought the truck also..
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#13
12-18-2012, 12:54 AM
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#14
12-18-2012, 09:55 AM
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gyayo has it all down on this one. I would do that setup. Some people will tell you to pinch the wastegate line, but NEVER do that. It will allow unlimited amounts of boost to your turbo and can cause some damage. Boost elbow like gyayo said is the way to go with that department. Just a heads up there.
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#15
12-19-2012, 01:55 PM
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From what I read, Dodge detuned the engine for the autos, because before the detune the transmission couldn't hold that power. If it's your only vehicle, I wouldn't add any power until you have a built up tranny... Some last a while with more power, some blow quick on stock power.
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