About 1,120,000 results
Open links in new tab
  1. bigger injectors, what size? | Cummins Diesel Forum

    Mar 22, 2012 · 5x12's and a 62/65/12 make about double stock hp and the 5x12s still can put out more fuel than the turbo can clean up. Very similar to the way stock injectors can over fuel a …

  2. Choosing injectors | Cummins Diesel Forum

    Sep 16, 2018 · Above 3000ft or so is where I'd say it starts to become noticeable. A 5x12 is the better injector choice at 400hp. You can touch 500 with them, but 5x14s will run cooler at that …

  3. Stock 160hp 12 Valve, What Injectors? | Cummins Diesel Forum

    Jun 7, 2021 · 1981 F350 dually zf5, 4x4, 92 12v, THD 5x12's, THD fuel pin, THD HVLP with adjustable fuel pressure mod, WM, hx35 dareo12v Reply Like D

  4. 5x12 injectors | Cummins Diesel Forum

    Oct 14, 2009 · With the mods in my sig., what kind of power increase would I get with these injectors. I know they will cause heat but I plan on upgrading the turbo before to long. Just …

  5. 6BT performance & injector mods ??? | Cummins Diesel Forum

    Jun 28, 2018 · 1981 F350 dually zf5, 4x4, 92 12v, THD 5x12's, THD fuel pin, THD HVLP with adjustable fuel pressure mod, WM, hx35 RCCUMMINS89 Reply Like 6

  6. Turbo and injector combination for 400 hp | Cummins Diesel Forum

    Apr 1, 2015 · Absolutely, but it is going to be a smokier truck in doing so. I made 414 hp on factory injectors that were honed. They still flowed less than a 5x12 SAC injector. One needs …

  7. 5x12's and 042 DV's vs 5x14's and stock... - Cummins Diesel Forum

    Jun 14, 2013 · With out question the 5x12's and 042's fueled harder sooner than 5x14's and 181's though top end power feels similar. My speculation is that the 5x14's move more fuel during a …

  8. No overdrive | Cummins Diesel Forum

    1998 Dodge ram 2500 12 valve automatic short bed 4k gov spring, studded, 63/67 turbo, 5x12 injectors, 7mm dv’s, afc live, 4inch exhaust, 18’ of timing.

  9. The best fuel filter for 1st Gen.??? | Cummins Diesel Forum

    Apr 6, 2013 · What is the best fuel filter as far as filtration for the 1st gens? I am really new to the early cummins as I have owned a 2nd gen and two 3rd gens. Both...

  10. Crank No Start | Cummins Diesel Forum

    May 9, 2025 · Hey Guys, I need some direction on my first Gen 5.9. I thought these engines were simple, so either I'm not too bright, likely or they aren't so simple. She started up fine with no …