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  1. zmotorsports

    General Tech What did you work on Today?

    @Gravy , seeing as how you specifically mention motorcycle cases I thought I'd share my experience from all the years of welding them during my career. Most of the time engine cases being a little thinner I will use a higher frequency between 90 to 120 Hz. Also, especially with the Japanese...
  2. zmotorsports

    General Tech What did you work on Today?

    Thank you. Thanks. Balance was set to 60% EN to allow a bit more cleaning and I used 80 Hz for the majority of the repair. I bumped it down to 70Hz when doing the thicker portion where the transmission bolts up but the majority of it was @ 80 Hz. This puts a little more heat into the part...
  3. zmotorsports

    General Tech What did you work on Today?

    On to the last of the pictures from the repair. Last pass. Total removed was .036" from the transmission mating surface. That small of an amount shouldn't have any effect on the distance between the engine and transmission to negatively affect clutch engagement. Another check with the...
  4. zmotorsports

    General Tech What did you work on Today?

    Continuing on. I started with a rather light cut to get my travel speed and cutter speed dialed in for a nice finish. This is a good indicator if your mill's head is trammed in correctly. No detectable ridges between passes. With one light pass complete and feeds and speeds dialed in it...
  5. zmotorsports

    General Tech What did you work on Today?

    Continuing on. I reached for my larger machinist square. Measured side to side and found there was quite a variance. I then laid the square across the transmission mounting surface and noted a .030" difference from side to side. To confirm my rough measurements I grabbed my Starrett...
  6. zmotorsports

    General Tech What did you work on Today?

    This brings me to Saturday morning. Out to the shop with coffee in hand to continue where Ieft off the night before. For starters, on Saturday mornings when powering on the air compressor and opening the ball valve, I drain the tank into a gallon jug I keep next to it on the floor. I then...
  7. zmotorsports

    General Tech What did you work on Today?

    Continuing on. Here is the commencement of the weld. You can see the small pop marks from the impurities from the casting coming out while the puddle is molten. The trick with welding cast aluminum is not to just light up, and get to dipping rod. You won't get a pretty weld with most cast...
  8. zmotorsports

    General Tech What did you work on Today?

    I've been away from the forum for a bit as life has gotten busy. Last year I promised way too much side work out and my list got out of hand, so I had to put a stop to adding to the list until I got caught up. To add insult to injury, I have a bunch of personal projects that I am trying to...
  9. zmotorsports

    The Farm Runner

    That's gonna be badass JJ. I keep trying to convince my son to build some form of desert racer/pre-runner but can't seem to get him behind the idea. Maybe my grandson will be more in tune to the idea in a few years. :thinking:
  10. zmotorsports

    General Tech What did you work on Today?

    Jeremy, I used the peening method for many, many years in the Industrial Maintenance industry when I had a bearing or bushing bore that was a little more loose fitting than I liked and the component either wasn't on hand or we had to get the asset up and running quicker than we could wait for...
  11. zmotorsports

    ZMotorSports 2011 JKUR Build Thread

    I haven't seen quite the issue in the truck/SUV engines as I had in the C5 Corvettes. This was actually very common in the early 2000's Vettes with the LS2 and many were changing over to the LS6 springs at that time. I have read a few online in the truck/SUV forums but they seemed few and far...
  12. zmotorsports

    ZMotorSports 2011 JKUR Build Thread

    Thank you.
  13. zmotorsports

    General Tech What did you work on Today?

    Moving onto the next "want to do" project, although this one has been on my list since I was in the old shop, so over 8 years now I've wanted to build this but just haven't made the time. I just keep adding other things to the list and this one keeps getting bumped down in priority. Well, as I...
  14. zmotorsports

    General Tech What did you work on Today?

    I've been away for a bit but thought I'd show a couple of small shop projects that I have been able to complete as they have been on my "want to do" list for quite some time now. I was able to knock two items off of my "want to do" list for the shop. The first one was a shelf to hold my Mapp...
  15. zmotorsports

    ZMotorSports 2011 JKUR Build Thread

    Also, for anyone interested, here is the video that I posted to my YouTube channel showing the repair.
  16. zmotorsports

    ZMotorSports 2011 JKUR Build Thread

    Continuing on with the repair. The next part I think was my own doing. A couple of the plug wires were hard to reach upon disassembly so I thought I'd test them before reinstalling and I'm glad I did. One wire tested open while all others were good at around 770-790 ohms. This one tested open...
  17. zmotorsports

    ZMotorSports 2011 JKUR Build Thread

    Continuing on. With the valve springs and seals replaced it was time to start reassembly. Rocker covers cleaned in the solvent tank along with new Felpro gaskets and grommets on the fasteners. New OEM iridium spark plugs also at the ready. Rocker bases reinstalled onto the head while...
  18. zmotorsports

    ZMotorSports 2011 JKUR Build Thread

    Continuing on. New springs installed and compressed. I like to apply a small amount of grease to the valve stems which aid in holding the keepers in place upon installation. Keepers held in place by the grease so they don't dislodge when the spring pressure is released and the retainers...
  19. zmotorsports

    ZMotorSports 2011 JKUR Build Thread

    The next few posts will be picture heavy as I post up pictures from my valve spring replacement/repair in our 2011 Jeep Wrangler. I was able to finish up the work on Saturday afternoon so the wife and I could relax and enjoy the New Year's holiday weekend. I have two styles of LS valve spring...
  20. zmotorsports

    ZMotorSports 2011 JKUR Build Thread

    After diagnosing, I hadn't had time to step foot in the shop for a couple of days as I've been waiting on parts for the Jeep, so I've just been hanging out with wife after work and enjoying a couple of visits from the kids and our grandson. However, the parts were supposed to arrive yesterday so...
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