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  1. LBZ

    WTF is going on with my EFILIVE??

    So I picked up an 07.5 1/2 ton with a 5.3 LS and thought I’d do a bit of tinkering as it appears the previous owner did some exhaust weight reduction stuff but didn’t tune it and I have a CEL.. Been awhile since I’ve fired up the old version 7.5 but when I do I get the message attached and it...
  2. LBZ

    Weird Lift Kit Issue-No Adjustment!!!

    So I just tossed a Fabtech K1045 RTS 6” lift in my friends ‘07 CCSB 4wd and I have an issue. The bolts are all the way out of the keys, and it’s only an inch from being at max droop when on the ground. I tried re-orienting the key but can’t get it on as it’s past its max and next position...
  3. LBZ

    Prices Still Unreal

    Been awhile since I looked at hard parts for an engine build and wow still ridiculously high and then some. When I did my Z build an LML crank was like 700 bucks. It’s 1900 from gm now. An LB7 was around 1200 and it’s 2100 now!! Granted that was 10 years ago but I didn’t think it would have...
  4. LBZ

    My 7 is undergoing surgery….

    22 years young and it’s time for some body work. It’s in pretty good shape considering the winters it’s lived through. Patch panels on the box around the wheels, new outer rockers, new cab corners, new front fenders, replacing hood and tailgate with good used. It’s gonna be like new when...
  5. LBZ

    Where to buy classic interior parts?

    Starting to find lots of body parts are going extinct from gm for the classics. Can’t get most of the seat parts, lots of trim no longer available. So where does a guy buy these from now? I need a drivers A pillar trim with Bose tweeter, seat cover soon, and a hood insulation pad.
  6. LBZ

    LB7 Fuel Level Sensor Scaling

    If I were to adjust the scaling in my fuel level sensor table, does anyone know if that will move the gauge accordingly? When my cluster got new steppers and lights the needle got put on a bit high and I found this summer that it runs out of fuel at 1/8th of a tank now. So I was wondering if...
  7. LBZ

    Oh bother…..

    Would my CFR be high cuz of #2?
    • LBZ
    • Thread
    • Replies: 17
    • Forum: LB7
  8. LBZ

    First DSP5 Switch

    As my buddy and I trade swear words at this LBZ we’re trying to start after doing head gaskets we were trying to remember who made the first dsp5 switch available to market. I feel like it was Kennedy or SoCal but can’t rightly remember. Any of the other OG’s on here recall the answer to this...
  9. LBZ

    LMM wheel bearing on a classic

    Will an LMM wheel bearing work on a classic truck like my ‘03 as far as the abs sensor goes? I know the hub will fit, but will the sensor work? Just put some ac delco hubs in my ‘03 that the 20980075 p/n says are for a bunch of different vehicles including LMM’s but I have an abs code now for...
  10. LBZ

    Good Shop in Oakland California area?

    Fellow Canadian is down there and developed a gnarly knock. Looking for a reputable diesel shop to take his truck to.
  11. LBZ

    Table for calibrating fuel mpg ?????

    Is this a thing on the LB7? I feel like I saw a table I could tweak to get my mpg and range more accurate but can’t find it now. Maybe I was dreaming? MPG and range went way out after adjusting my speedo for my tire size. Was within .5 mpg, now it’s out by almost 3. Kinda annoying.
  12. LBZ

    Big Couple Weeks for the 7-Story Time

    Been busy last couple weeks. Got a mild built trans from Dallas at SDS and tossed that in but not before installing a downpipe. Glad I did it with the trans out as those bolts were not going to come out from up top. 3’ handle 1/2” drive ratchet from underneath and I had to put out to break them...
  13. LBZ

    Dimpled Pistons

    Might have missed this discussion if it already happened but if not, found this for an interesting read...
  14. LBZ

    Blue Bowtie

    Anyone know where a guy can find a replacement bowtie for the grille in an ‘03 up classic? My gold one was broken and the 3D printed one I found does not fit an HD grille very well so looking to improve my bow tie situation.
  15. LBZ

    P088 High Fuel Pressure Code

    Buddy is getting a P088 code on his stock ‘06 LBZ EC dually. Hooked up his scan tool and his actual FRP is around 12k kpa, desired is around 6k kpa at idle where you want it. FPR is at 64mA desired and actual, % was at 40% and no matter what you do with the pedal it doesn’t change and only...
    • LBZ
    • Thread
    • Replies: 36
    • Forum: LBZ
  16. LBZ

    Boost Pressure Log vs Tune

    Struggling to remember my tuning knowledge. Been awhile……. So when logging my LB7 tune 5 in my DSP I’m only seeing 21psi (145kpa) on my gauge but 35psi (240kpa) in the log. Atmospheric pressure is about 13psi (88kpa). Tune max’s out at 37psi (255kpa). So does the boost pressures in the tune...
  17. LBZ

    24 hr EFILive License Available?

    Anyone know where one can get an efilive license on a Saturday night?
  18. LBZ

    LB7 to LBZ Seat Heater Switch Swap

    Anyone done this or know if the connector is the same at least? Would like to get rid of the raised buttons for the flush ones the LBZ has.
  19. LBZ

    P2227 BARO Code Troubleshooting

    Following the steps from gm for a P0227 code. Does anyone know what the values are supposed to be as per the following tests? A pic of the altitude vs. barometric pressure table they make reference to would be helpful….. “Turn ON the ignition, with the engine OFF. Observe and record the BARO...
  20. LBZ

    Interior colors and paint discussion

    Beware of the fecking air fresheners you choose. Had one leak and peeled the paint on my dash. Not happy. It was one of those square febreeze ones. To date I have yet to hear of anyone finding a good paint match for this color either……
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