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  1. D

    Brake issue, Hydro boost and rear disc

    Couple of years ago I did a Hydroboost swap concurrant with installing a 9.5" SF rearend with disc brakes on my 1997 K1500 Suburban. I used an axle from a 97 K1500 Z71 pickup. The Hydroboost was harvested from a 2002 Z71 Suburban as were the dual piston rear brakes and 13 in rotors. Two weeks...
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    Doug Thorley headers installed.

    I did, even did a 411 pcm swap but at idle it is not running great. Had some tuning done but still really quite right. Been building a garage ahope to get it running perfect this summer.
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    No heat with Big Radiator and Electric fans

    Been too cold to do anything. Heavy snow forecast for Wednesday. Will probably leave it for spring.
  4. D

    No heat with Big Radiator and Electric fans

    UGH, I do not want to take that dash board out again...
  5. D

    No heat with Big Radiator and Electric fans

    I have an issue that I could use some help with. Two years ago I did a major upgrade on my 1997 K1500 Suburban. I installed an new L31HD Crate engine. Along with the new engine I did a 0411 PCM Swap, added Electric Fans from a 2005 Suburban Z71 and add a big block radiator. The engine runs VERY...
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    New alternator not charging

    Resurecting old post to add a thanks. My alternator stopped charging the other day. Got a ewn alternater, Lifetime warranty replacement. This one didn't work either, knew the problem was not the alternator. Started searching here, this was the second post I looked at. and you mentioned...
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    88-98 Bucket seat alternatives

    I didn't need a special riser, Just unbolted seat from bonneville riser and the bolt patter is the same as the 97 suburban bucket seat riser.
  8. D

    88-98 Bucket seat alternatives

    I have them in my truck, they ae fabulous. Buy them.
  9. D

    13" NBS rear disc on 14 bolt SF

    What are you using for a spacer?
  10. D

    13" NBS rear disc on 14 bolt SF

    Yup
  11. D

    13" NBS rear disc on 14 bolt SF

    I have my rear drums in but cables were the issue for me, not sure what or where to to go with them. I haven't gotten to them because I have other issue on the truck that need resolved first.
  12. D

    Help with lightly modified L31-R

    Thanks
  13. D

    Help with lightly modified L31-R

    How would I check that?
  14. D

    Help with lightly modified L31-R

    I was finally able to duplicate the issue. most of my drives this week were back and forth to work, which is about 7-10 minutes. this morning driving to church took about 30 minutes and I experienced the issue again. Just finished looking at the log file and trans fluid temp got to 249 degrees...
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    Trans issue after 0411 PCM Swap

    I think I found an issue, Ran a log file today and trans temp went as high as 249 degrees. Gonna get it to the shop this week.
  16. D

    Help with lightly modified L31-R

    Thanks will have that checked.
  17. D

    Help with lightly modified L31-R

    Trans issue after 0411 PCM Swap I have a 1997 Chevy K1500 Suburban, with a new L31-R Crate engine and rebuilt 4l60e. I did a 0411 PCM Swap to add efans and tune for the cam and headers. I used a 0411 PCM from a 2002 GMC Savana 2500 with the 5.7l and a 4l80. I did a segment swap from a Chevy...
  18. D

    Trans issue after 0411 PCM Swap

    I have a 1997 Chevy K1500 Suburban, with a new L31-R Crate engine and rebuilt 4l60e. I did a 0411 PCM Swap to add efans and tune for the cam and headers. I used a 0411 PCM from a 2002 GMC Savana 2500 with the 5.7l and a 4l80. I did a segment swap from a Chevy Express 1500 with the 5.7l and a...
  19. D

    Help with lightly modified L31-R

    I just went with the standard volume. For the rpms this will see it will be fine.
  20. D

    Help with lightly modified L31-R

    The new oil pump has the the shaft with the metal sleeve...
  21. D

    Help with lightly modified L31-R

    The Oil Pump Drive shaft somehow tore the slot in the Oil Pump in half and cracked a corner of the rear main cap. I put the pan back on and though my new motor was going to need to be fully torn down to repair it. That was April. Late in May I took these photos and the damaged parts to the...
  22. D

    Help with lightly modified L31-R

    OK, so it's been five months since my last update on the project. We left off with me losing all oil pressure to the engine. I was devastated. There was still snow on the ground, but in early April I got some good enough weather to pull the pan and investigate what happened. Once I go the pan...
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    13" NBS rear disc on 14 bolt SF

    I purchased a spacer for a 14b ff and it fit my 14b sf. Now my 14b sf was from a 97 Z71. I have read the flanges on a GMT800/900 14b sf are/can be different, but I cant confirm this. I dont know which generation rear end you are using. I ended up asking the ebay seller who I bought mine from the...
  24. D

    Issue with NBS 13" Rear Discs on GMT400

    Nice work.
  25. D

    Help with lightly modified L31-R

    No problem.

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