Recent content by Mechanic421

  1. Mechanic421

    Home built 4L60E beast

    Drill through the center till the head pops off
  2. Mechanic421

    Home built 4L60E beast

    Circle D circle D circle D
  3. Mechanic421

    Diabolic sunroof issues

    Just ln case
  4. Mechanic421

    Airaid modular intake pipe

    I do have one , I don’t know how much performance I get from it . It does make it louder. I also removed a plastic part on the air box.
  5. Mechanic421

    New Here Towing trailer with my 11 Yukon XL

    Put more weight on the tongue till it stops swaying. Usually works for me,sometimes I have had to move weight forward.
  6. Mechanic421

    Circle D converter- how to launch?

    You just have to feel it out. At the track you can watch your 60 ft times.
  7. Mechanic421

    UPR Catch Can w/CSS

    Trips me out how much water you are catching. I don’t have pictures for now but Next time I drain my Can I will try to post. All I catch is pure oil. Both old engine and new engine.
  8. Mechanic421

    Norma clamp!

    Now I remember! At this point have a muffler shop weld a flange in or weld it solid.
  9. Mechanic421

    Home built 4L60E beast

    You have a lot of parts to go! Yes more parts, banner kit , I recommend you do lot’s of studying! YouTube Percision transmission videos all Pertaining to 4L 60 E’s
  10. Mechanic421

    Your towing pictures

  11. Mechanic421

    Worth it to go from 3.73 to 4.11

    Ok I run a lq9 with Vinci 208-216 570-578 Cam,I think 115 lsa circle d 2200-2400 stall. 3.73 awd and have the same question. I pull a trailer on a regular basis. I tow in 3D and was thinking 4.11-4.10 would do me justice. But too scared to regear and still have to tow without using OD. I think...
  12. Mechanic421

    Norma clamp!

    Not hard to replace the manifold gasket. I can usuallyget three head pipe nuts by heating and cooling . But the hard part is drilling out the bolts broken off in the head! It can be done, if it is a pick up I will remove body bolts in the side I am working on and loosen the other side and jack...
  13. Mechanic421

    Best valve springs?

    I have stage 2 hi lift cam,cathedral port heads duel 660 springs I did use summit racing.105 wall push rods and bronze trunnions. Sounds nice at 5800!forgot Vinci matched lifters . I did have a issue with one lifter not compressing but Roger Vinci handles customer service himself and had one...
  14. Mechanic421

    Best valve springs?

    Vinci performance

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