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  1. pbuttiglieri

    Jeep 4.0 Myth Busting (What Mods Really Equal Power Gains?)

    you got it! Daystar was also really cool as one of them cracked when i tightened it and they sent one out right away. I did also modify my install as those hood vents that come with 3 grommets per vent and the instructions are to drill 3 holes per vent so heat escapes and water doesnt fall in...
  2. pbuttiglieri

    Jeep 4.0 Myth Busting (What Mods Really Equal Power Gains?)

    I couldn't agree more. Part of me did the head polish because i could time wise and to play :D I was lightly on the fence of a cam (mostly because this was a quick fix until i drop in the 6.0) but i was having a tough time with a cam swap as they aren't roller cams and it would be an extra...
  3. pbuttiglieri

    Jeep 4.0 Myth Busting (What Mods Really Equal Power Gains?)

    Agreed! Reached out to my nephews for the idea of a road trip to PA (where one lives) to do some mild offroading.
  4. pbuttiglieri

    Jeep 4.0 Myth Busting (What Mods Really Equal Power Gains?)

    engine went back together and after a little re calibrating (lining up) of the cam sensor on top of the oil pump shaft (where the distributor would go) sounds great and feels great. some more umph. not gobs of it, but certainly better. Still off the road so i will find out how its fuel...
  5. pbuttiglieri

    Jeep 4.0 Myth Busting (What Mods Really Equal Power Gains?)

    i actually started it Saturday and it fired up after twisting the cam sensor - which i removed to prime the engine. so now i need to find its sweet spot as this tells it when to fire the injectors! Gar! right now i cant say i found much for gains. i will add that i felt it was a bit snappier...
  6. pbuttiglieri

    Jeep 4.0 Myth Busting (What Mods Really Equal Power Gains?)

    So for the fun of sharing. i decided to temporarily fix my 2002 4.0 and postpone the 6.0 ls swap till I have the 4000 readily available for the needed parts and to do the engine right. But since i had a cracked piston skirt (compression was still between 105-120 lbs on all cylinders) it...
  7. pbuttiglieri

    Jeep 4.0 Myth Busting (What Mods Really Equal Power Gains?)

    considering you have a dyno and i do not, my comment clearly must be taken with a grain of salt. My 2002 4.0 absolutely saw gains with the K&N cold air and hypertech programming. when programmed to run on high test it will also lift the front wheels off the ground - only a little. I also have...