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5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

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  #11  
Old 12-27-2017, 07:48 AM
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yep. do the simple stuff first. then get to the expensive things. its pretty easy to get to 350hp for almost nothing
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  #12  
Old 12-27-2017, 09:02 AM
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yep. do the simple stuff first. then get to the expensive things. its pretty easy to get to 350hp for almost nothing
What's some other simple things I can do
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  #13  
Old 12-27-2017, 03:00 PM
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What's some other simple things I can do
Also wondering why my truck won't wanna shift into 3rd gear, wants to rev up in second and won't shift until I let off. My local tranny shop thinks it's motor related and thinks if there's a tps sensor and when the truck sees 25 lbs of boost that's causing it not to shift? Trans is an automatic built monster transmissions. Any input is much appreciated
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  #14  
Old 12-27-2017, 06:25 PM
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Look into using an SXE they spool faster and flow more air than the previous SXs did. All our BD singles kits are upgraded to use the SXE now except for the Super B 58 is still an SX. They all come as complete kits with all needed parts to install, not leaving you looking for fittings or gaskets.
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  #15  
Old 01-01-2018, 11:46 AM
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Look into using an SXE they spool faster and flow more air than the previous SXs did. All our BD singles kits are upgraded to use the SXE now except for the Super B 58 is still an SX. They all come as complete kits with all needed parts to install, not leaving you looking for fittings or gaskets.
Is the super b an sxe? And what do you think about my shift issue my tranny shop told me fix that before doing any performance? He thinks its motor related it goes into 3rd but only if I let off the peddle but if I get on it in 3rd it'll just rev to 2,500 and not shift until I let off again?😡
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  #16  
Old 01-02-2018, 05:03 PM
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the 1-2 shift and 2-3 shift are all hydraulic controlled and the RH trans governor is mechanical. an upshift occurs when the governor pressure exceeds the throttle pressure and a downshift occurs when the throttle pressure exceeds the governor pressure. So your throttle pressure is high or your governor pressure is low that's why the upshift won't happen until you lift, it can also be caused by a sticking valve in the valve body. The Throttle Valve (TV) cable is adjustable for fine tuning.

The Super B is an SX, I ran one on my 98 12 valve and loved it plenty of power and towed great without any temp issue, if you go to big then you can't tow. I had a 467 SXE on my 11 and had trouble towing here in the mountains of BC but the 363SXE tows great, I'm sure I lost some top end HP but nothing I notice daily driving. You kind of need to decide whether you are building a race/dyno truck or a good daily driver/tow rig. Or go twins and have the best of both worlds.

If it was my truck I'd put in gauges, a cam plate with boost elbow and gov springs then get the tranny setup. Putting gov springs first will let the tranny shop setup your full throttle shift points for close to redline, those P7100 pumps pull back the fulcrum lever backing off fuel before redline without the springs. Once you got that all done and see where your power/driveablity are you can decide on a turbo or turbos.
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  #17  
Old 01-08-2018, 06:26 PM
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the 1-2 shift and 2-3 shift are all hydraulic controlled and the RH trans governor is mechanical. an upshift occurs when the governor pressure exceeds the throttle pressure and a downshift occurs when the throttle pressure exceeds the governor pressure. So your throttle pressure is high or your governor pressure is low that's why the upshift won't happen until you lift, it can also be caused by a sticking valve in the valve bod y. The Throttle Valve (TV) cable is adjustable for fine tuning.

The Super B is an SX, I ran one on my 98 12 valve and loved it plenty of power and towed great without any temp issue, if you go to big then you can't tow. I had a 467 SXE on my 11 and had trouble towing here in the mountains of BC but the 363SXE tows great, I'm sure I lost some top end HP but nothing I notice daily driving. You kind of need to decide whether you are building a race/dyno truck or a good daily driver/tow rig. Or go twins and have the best of both worlds.

If it was my truck I'd put in gauges, a cam plate with boost elbow and gov springs then get the tranny setup. Putting gov springs first will let the tranny shop setup your full throttle shift points for close to redline, those P7100 pumps pull back the fulcrum lever backing off fuel before redline without the springs. Once you got that all done and see where your power/driveablity are you can decide on a turbo or turbos.
Thank you very much for all the info man My tranny shop robs transmissions adjusted the kick down cable and not really any different but he said tranny is doing everything it should An sounds like a motor issue so was gonna test fuel pressure and put 3k valve springs and a rack cap with adjustable fuel plate and my 150 injectors in and I have egt boost and tranny temp gauges, I want the truck to be a daily/tow rig that gets out of its own way. With the super be do I need a downpips? And what do you think about this turbo? Industrial injection phat shaft with 5k on it he says can't send pic for some reason
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  #18  
Old 01-13-2018, 08:15 AM
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Antwhite19, I see compounds in your future...
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  #19  
Old 01-13-2018, 04:52 PM
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Antwhite19, I see compounds in your future...
Yeah probably idk what's best I want quick spool up and drivability an towing
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  #20  
Old 01-13-2018, 04:55 PM
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Originally Posted by [email protected] View Post
the 1-2 shift and 2-3 shift are all hydraulic controlled and the RH trans governor is mechanical. an upshift occurs when the governor pressure exceeds the throttle pressure and a downshift occurs when the throttle pressure exceeds the governor pressure. So your throttle pressure is high or your governor pressure is low that's why the upshift won't happen until you lift, it can also be caused by a sticking valve in the valve body. The Throttle Valve (TV) cable is adjustable for fine tuning.

The Super B is an SX, I ran one on my 98 12 valve and loved it plenty of power and towed great without any temp issue, if you go to big then you can't tow. I had a 467 SXE on my 11 and had trouble towing here in the mountains of BC but the 363SXE tows great, I'm sure I lost some top end HP but nothing I notice daily driving. You kind of need to decide whether you are building a race/dyno truck or a good daily driver/tow rig. Or go twins and have the best of both worlds.

If it was my truck I'd put in gauges, a cam plate with boost elbow and gov springs then get the tranny setup. Putting gov springs first will let the tranny shop setup your full throttle shift points for close to redline, those P7100 pumps pull back the fulcrum lever backing off fuel before redline without the springs. Once you got that all done and see where your power/driveablity are you can decide on a turbo or turbos.
Fixed the shifting issue I cleaned the pre fuel filter and replaced the regular fuel filter An shifts great and has a lot more power not enough tho
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