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View Full Version : Any Cummins 12 valve guys on here?



Brucker
April 26th, 2018, 11:17 PM
My recent battle with my tow rig has left me thinking it's time to finally upgrade the old pig. Truck in question is a 97 Dodge 2500 xtra cab CTD with 151K miles. It has the nv4500 and is 4x4. The motor and drivetrain are untouched except for bigger air filter, intake, intake horn, KDP, and a PacBrake exhaust brake. I have been collecting parts for a massive upgrade since I bought the truck about 8-10 years ago. And am ordering the rest of the needed parts tonight. Wanting to make sure (double, triple check) that I am heading down the correct path.

I am wanting to keep the reliability but wanting a bunch more HP or torque. Real numbers don't really matter as long as I can pull whatever I want, where ever I want, and quickly as I want. MPG doesn't bother me much, some, but not too much.

Here is what I am planning:

Compounds using a S300/S400 (S300G 57/65/12 and a BW S472/83/1.10 T6)
DPS 3 piece exhaust manifold
4" hi-flow exhaust
Headstuds w/ new gaskets
Remove Fuel Plate
Add AFC Live
4K GSK
Adjustable overflow valve
.055 delivery valves
60# valve springs
5x.014 injectors
South Bend Clutch
New inline Pacbrake assembly
New hi pressure boots

So what am I missing? Am I off track?

dieseldoc
May 1st, 2018, 08:27 PM
Parts look good sir. now you have a down stream issue that will rear its ugly head. the 5th gear bearing nut. these like to back off and well crunch!

with your mileage I don't see need to rebuild but I would get in there an fix that issue.

Lots of info on line about it, as well A1 transmission on 8th in Denver is who we use for the work trucks trans rebuilds. there good and will most likely point you in the right Direction.

look forward to see it roll some coal!

Brucker
May 1st, 2018, 11:27 PM
Parts look good sir.

look forward to see it roll some coal!

Thank you. Hopefully no one will see much "coal" rolling out of my tailpipe. I understand I will never get rid of it all, but all that black smoke does is piss me off that all that fuel was wasted. Hoping to be able to dial in the HP and torque efficiently with the AFC Live that I can keep the smoke down. Oh well, I am sure I will post photos/videos when it's done, but not going to do a real build thread on here as they never really gather much interest.

dieseldoc
May 2nd, 2018, 05:24 AM
Sounds good Aaron. Hope you enjoy the build it's self.
I know you will enjoy the power once you get it turned right.

Brucker
May 5th, 2018, 05:36 PM
Another one showed up last night:


https://lh3.googleusercontent.com/2a0yM6zLW3V7rQp39uOyzbrrXD3y0DcAE_GDm-D79FmOM8cDEa0n2E89t8jKK5bHpQhQLbDDCPXV-oOLn_lrZIfNiZrj5qRMkpLC1ndiZQnz9Hkud5yOtlm6hjyq1_Q 7EdJXU4UOTRF4n_lhibc0KN_eT9hQS66zWWsfY00RxQOqOMD1a U7-cl_7J3dfJGWY7MfpgP6RVAMEPtBdUXCkJajYTT9tTMErGuPH_Z u1e9ON5RQCIDEAPXRj2y80XZJ4-rmEpkRNErTo2lbATQBlM67KMgilbhN2GKZCBo_DWn-Qa_X991ru0rRWaqgxfFx0A8M9cSGjgyeqQop6vO0j2mkfkWwND kF2QUoc1pzJQ2VdMJgjkhve-kwNqTWKSB335tDWxMhPVdCYk5EZA_2W7zm0cv_HirOkEKaOFdt p6V67xwC2CmqLugAigcfVNAOU6pd-_x462DbhM7zXqK82NlLtU5JbIkngQD9giWq88Bg7rAPOgdNKNg OYxHvnRnBkcqi7giAydVFqEIreZ57ZTWFKFMBVdkR8rtDhtlsu UzXlojB6iudz-9nNwzTUu0vyqn5Tm_SvRQzHd4mqiCZp99B41o91XYc4eEmLuMB 4V1RcxGbZtcxEqQ54QoFTpc2-RN27HVkGxI_AmAzL-DQc6Xu5u7Wtc9flmg=w830-h1106-no

https://lh3.googleusercontent.com/g83ICeJv69DbaV__FLde8k2cmnR3Z1VyP5LNkgwWwc9CtvqnPO j7RKj_6WrZRuueJps-M8Nd67ZRXQ026QlWqXT41MCIGVVvjrGzTj9fXXABeZ5sUVSd49 4adeh60KYLMmYkiPCOlAgy5ODxgCGgkULt0eVJqB1ju70Fj-WfQyV0DNx7uY0IqbdimNv14aktZvCIPsqfHncEa8JrcMHeggnF xEtLMxyvFyNo-FMbS_kBFKxG0txQ3dNGgS7lsTVlDPgjWbaEi72hNKtxM7tAImt fT40Nr4LWlHOOjUjDb1fB0oSRB8OXt9liupgEFVbvTYiwOnSOo 9ilhec1y7BlzOeeXwGncLxu7_Vf2RRisDMC-SVlpC4jvD2tRWa5YrxBZq5VZvKsovpl4xpWkPeC0N-_0J8yg_HAinad9PRPim8r0wT1ieU0uVac7auE83K6K6znVWikl lFiMgZxs_XUQZQgnZq7OFhCdY22_XG9c0p3teJwkm6TNLAS_K0 JNEkihXmMSisSDMXP86fu601knnxzft_4jaofGWOSTIJPR1T2p DUYMFCQ65bmSCjQHMGfkjw4BaHUtjTAtINTNH9UUbVPmTzOrUS nJEIKYcACqDAb09_VCqK2r3OPnDwkue8to-siC-vLVpUr3jVOX-1DeMS81cgi96mFzA=w1475-h1106-no

https://lh3.googleusercontent.com/JRtewoEag_kKBY8EjK1ha9aFY61zoK3NKBee4cloUqEWBRl2Wo tSTFn_EfoBzNHgj0Z2WObK0cqTC050sxM10zkFuLhDTOieR9gp lXrjA7G3TQHrF99HN7SpbI-rAz5645d5kdgoIP7j1zNoulgEpXhdS3TOfYydcHvpXFsEpQ8fG da4HHLTtViaKuGZD7tkngR7J3LLRCkpO0AbVlVNAilanR0hK73 BbREVGSomN_xHI0KuhKfscDRzKhav0zvexK04DcjFaMhCcLeyh dSD4wbkkgjNoLmyR2mpuddVTv1HkqKS6RYxn1hZQFN1UCbdJuC uHGyJ1r7C6E3LnTUkBze5ICm0gB-s7sq6ckO-ONnsq-EgyFpi2IqPY3rCOkuHtTDnzpRbgtDFjX91hhg8se242VcgAXiq 1qBW9k7jDOeKQjvamkAJnuBtNRa_uUpmbeYRXP5iXvhJE9piGK bB4lQe7Qq-0GnGnNUBgW46cWcQGfwjVv1ERM81nGCUvH2kNNUHYOjmJsqDvY gxmCvieQWArV8aG48kFTBQQNnFF-oS4t3KEou1i_-Onhkc8uG7oVGYFUA7m4vW3CXTRTqO79g1m7Af_I798ZlDGIrSY L6MTXeaN-XL6N0fF2FZWWJvK_PFlCpdGhvW0JD6iItrDe_PyIN7xBGC2Q=w 1475-h1106-no

https://lh3.googleusercontent.com/6Fwc1PsdJFz_aMOw3sF1w7SG2MqTljjzaTVblTMauhrE54h1B1 4BdH-Nv-gC9-FN5KeA_jWAuqn9VEmgY5t31C3W19R-VRzWx2TOjYBKX_PSg2m8xkttXJivkbq8LdcmckzfIa-uiG4ejR3Fc1q0NubnYn5aj_wDSIbNqe5mX0zYKUPKD2ulVYfhX cCsqn88wxyZWRhwCCs62JagiXYiw0peEu5npBHtAXkZQVVMkNk sh69PmiHF5NDHdp-DXir-RCclsBP_Vr545Oa_qG6SCUGYl7pEUflyLA5LXaRqFBKu2V_RzS w7CdL9W3dUAedXdTJB2MFTQOvNUylSH3DOBoZaR2Ut-PTp2QB2yJfhD2lhYXS9xZx2KfE3ZJN5lj47lWG27bCF13hCBVJ bpyNa2Bym-bPZl1m0NHJKf1p0rk_gw_aDRfrEMvftBYqFNJ8OlmgB97BUzz6 _K-xxM78E7izXxlC78bR1FM-f_p8TjICUOWjG_70kbRgCdqnqGxktu-cN8XLdm4DiM2HaQ4nhg49lGkxX57Wim7Kr758aQgLchdYxphgy gwO7iT4kmpU8cKo3QpY9gK71vLeXtraifpW50UjO5dgHulPOp5 jkt29fFhFM6l3agjEx-aDlnd634IpOzZ_svEjVN-6QYHKSdfOl2WQB0jLVKA=w1475-h1106-no

Brucker
May 5th, 2018, 05:37 PM
The "little" one next to the big one:

https://lh3.googleusercontent.com/EC6bv-A22Y-IczgJKaUVw75jZkfcfApw0LcFhwc69xD1H3b2JWZJSqeOrN_h3 gFcinritVspEB8xH-6JTaO0aLjNYej9k4TWRtbAo9xN0vnhgegrGe3yZF76idwBrkuI Q1aYJ4os7LOjA4lkfvlVgcMqBRxMz-kKuyZCFc5CqY0CnDI8rjsP6mDSMTtj9BXVoyQKd1GBcgdQwafs A6dup_989TaTRMZ-jTfWNEsW6_nH-TBLTBOpcLn_XXM4et6SW878jPk_l0q09n35taK05FkvwzyZRo7 n7zgdaJ7ZfGvLq1EbZLzWKqFOMepoLBaY2xYNHZ_quaruvu285 I0bze-vdineOUzr30jzvGHcOK-LutURJHpQlEC4LaxIVdlVzB216e0cT1Z5QC0BVZfgdVcuTJP3F HsZXQa0S6XCGA0WHjOgKWCJlN8l4Z4aDLd9XYAeAiK_s7vZ-pnB4SusjxTJ0szzJTWjs0-67uGl5CI3RxOYIi3dOXxM_jo6eSvmBNwHq1LraoWLF2izkWBpe bQYF6Yi8b8YsXw8Bjydn0_Nt0ZDdi-bonOoRMKPT0AzRHs0NwwUjzm93MF6uiHKpnGLuyrvbPt_9s_tO G-Dl2gNgU9LPMxj8rlgJMR0Xx1ud-ek-i_PKTlWRTDB12A--y_9SqanT5uM3A=w1475-h1106-no

For a comparison, the "little" turbo pictured is about the same size as the stock HX35.

dieseldoc
May 5th, 2018, 05:43 PM
Like like it will be fun. Enjoy all that customer Fab to get them to fit. Plumbing degrees needed.