Recent content by 89GMCJOHN

  1. 89GMCJOHN

    Reading Paint on the Ring Gear

    When your spinning the ring gear hold on to the yoke to provide resistance run it back and forth resistance both ways through the painted area....fwiw all cases are probably a little different but my 89 2wd had a .037 factory shim and it worked fine with my new 4:11 ring n pinion ....
  2. 89GMCJOHN

    My second 89 Shortbox project

    Got a good pattern today finally ...pinion way too deep .. needed an .037 under the pinion head....I caved and bought 2 pinion bearings and made a test fit bearing for multiple tries....boy thats no joke cutting through one of those bearings lol.....ran out of time -kids +but confident I will...
  3. 89GMCJOHN

    Ht383 cam?

    I am with L31max ....I too ran the ramjet in one of my old cars in a 350 and for the expense and performance gains it wasnt worth it to me .....if your looking for more noticeable punch your going to need a better grind. I just found it to be a slight increase over the stock cam. What might...
  4. 89GMCJOHN

    My second 89 Shortbox project

    Very informative ...thanks so much for looking this all up for me .....pictures are worth a thousand words .......simply stated pinion is in too deep ....will adjust accordingly - less shims. I should have it dialed in tomorrow finally. Ive been in and out about 10 times now lol..... An...
  5. 89GMCJOHN

    My second 89 Shortbox project

    Current patterns :( drive bad on the toe , coast ok ..... SNCTMPL sent you a message ......
  6. 89GMCJOHN

    My second 89 Shortbox project

    Night 2 lol ....have had it in and out probably 4-6 times so far ....I'm at .012 backlash currently so sneaking up on specd .008-.009... tomorrow I should have it dialed in....everyone has said your going to have to put it in and out several times which I'm finding to be true lol....
  7. 89GMCJOHN

    89 RCLB K1500 - Quality time with my son building his first truck.

    That work bench is entirely too organized lol.... G R E A T work .
  8. 89GMCJOHN

    My second 89 Shortbox project

    I have never done a gear change before ...so here's a few pics O tonight's work ... I was able to get the ring gear on heating it with a torch and pounding it with a rubber mallet . I got the new pinion bearing on the new pinion by heating it in a pan of oil on the stove to ~350 then I was able...
  9. 89GMCJOHN

    My second 89 Shortbox project

    Best $35 I ever spent for this crossbolt - broken bolt extractor kit ....drilled for 2.5 minutes total time ,stopping every 30 secs to put in some lube....I put in the spiral extractor and it came out first try .....I think the key is the 2 plastic threaded guides that come in the kit and keep...
  10. 89GMCJOHN

    Broken Lifter Spider Mounting Hole

    Just throwing ideas around........what about JB welding a stud in and around there and using a nut with locktite....fwiw.
  11. 89GMCJOHN

    My second 89 Shortbox project

    If the bolt nub is permanently stuck and wont come out of the cross shaft how can you remove the carrier ?
  12. 89GMCJOHN

    My second 89 Shortbox project

    UUUgh ...absolutely horrible night in the garage tonight....got my gearset today and proceeded to do my first step and remove my cross shaft retainer bolt and it broke off in the carrier -noooooooooooooo......Apparently this is a very common occurance. So I bought an extractor kit several people...
  13. 89GMCJOHN

    My second 89 Shortbox project

    Thanks Fancy ...yes lifes been busy so back to the toy lol....sold some parts to fund the final home stretch repairs and the rearend gear going in...then FINALLY taxes ,title , insurance and take her for her inaugural spin after all this time building it .......my goal is to be behind the wheel...
  14. 89GMCJOHN

    Knocking

    Thread '91 5.7 Roller engine intermittent knock at idle' https://www.gmt400.com/threads/91-5-7-roller-engine-intermittent-knock-at-idle.49872/
  15. 89GMCJOHN

    Knocking

    They had a few factory bandaids trying to fix this common issue....one was an oil filter that kept pressurized after shutoff lol it didn't work....the other was a prom reflash that pulled initial timing at idle reducing the knock. I can tell you from personal experience I did a carb conversion...
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