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  1. L

    Vortec or LS swap air intake pic request and K&N WARNING!

    That is fine, it is just sitting in the shed. I still have the original fan shroud with electric fans underneath. I re-used the original shroud in the hope that an airbox could be bolted back up using the original mounts for a look factory. Seems like that is not going to happen from what you...
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    Help, pulling hard left under brakes.

    Today fitted an adjustable proportioning valve removing the ABS motor. Van pulls up straight and true! Issue fixed and brakes feel much stronger than before. Maybe the ABS motor and valve body has been defective since I have owned the van, only getting bad enough for me to chase a problem...
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    Vortec or LS swap air intake pic request and K&N WARNING!

    Hi, read a lot of stuff on here trying to learn about my 97 express van. Not common over here in australia. So far this forum has helped with the 411 ecu swap and then a ls1 engine changeover which I have found to be a huge improvement over the l31. Anyway, I have the original airbox if you are...
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    Help, pulling hard left under brakes.

    Yes to the checks above. Have been thinking along the same lines. Re-checked master cylinder function and appears to be fine. It seems a restriction in the ABS between the front brake outputs. The brakes on the other wheels are working perfectly. Had the manifold section of the ABS apart and...
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    Help, pulling hard left under brakes.

    Out of action for the weekend. Had the discs machined and new pads fitted maybe a year or so ago. Haven`t been in there since. Will check this also.
  6. L

    Help, pulling hard left under brakes.

    OK, will revisit the flex line to the right hand caliper. As for the ABS fuse, it may have been previously removed as the ABS has never worked and I have have only realized that it is fitted while trying to solve this issue, something else to look at. Thanks
  7. L

    Help, pulling hard left under brakes.

    Thanks, I don`t think the flex lines are the problem as I have cracked the fitting on the chassis where the flex line joins the steel and the low oil flow, pressure/ resistance issue remains the same as it is at the ABS motor fittings. I had considered it though.
  8. L

    Help, pulling hard left under brakes.

    Hi, I have a 97 express G3500 that is mostly standard. Under brakes it has started to pull left. I cannot figure out why. The left hand front brake is working far better than the right. I have bleed both sides and have not found any air in the system. The pads and discs look fine. When bleeding...
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    L31 to LS1 swap. Wiring info?

    Had a look around the engins bay, found the wiring to the dash temp gauge. Ordered a 3 wire unit as advised above. Can someone show/ advise me the sensor pin wiring so when it arrives I can hook it up. Thanks
  10. L

    L31 to LS1 swap. Wiring info?

    Thanks, looks like fitting the old unit will be the go.
  11. L

    L31 to LS1 swap. Wiring info?

    Ok 10 weeks of after hours and weekend work and it now runs with the LS1 installed. Seems quite nice to drive although I haven`t yet gone very far, 1 question I hope someone on here can help with, I no longer have a temperature gauge working on the dash. The ecu temp sensor is working. Does...
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    L31 to LS1 swap. Wiring info?

    That will make it hard. Any of these vans are quite rare over here, especially as I live in a small rural town.
  13. L

    L31 to LS1 swap. Wiring info?

    I was too tight to purchase either of those and ended up with tunerpro.
  14. L

    L31 to LS1 swap. Wiring info?

    OK , so I just need to find a bin file to suit ls1 and load in? Any ideas on where to look? Very new at this ecu programming. Thanks
  15. L

    L31 to LS1 swap. Wiring info?

    At present I have the 0411 running my factory L31, using the 12212156 os and the factory harness with lextech`s pin conversion. The bin file is `02 express van I think I have the injection wiring sorted with the plug drawing of which wires and colours belong to each injector. I have found the...
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    L31 to LS1 swap. Wiring info?

    OK, 34 pages may take a while to read through. AS for the harness, I thought the plan was to modify the original. Is that not how it is done? The engine and harness are from an aussie commodore and is drive by wire, I have fitted a cable operated throttle body and was not planning to use the...
  17. L

    L31 to LS1 swap. Wiring info?

    I posted a similar question on ls1truck and the only reply was that it had as much life as a cemetery. Should I pm him over there?
  18. L

    L31 to LS1 swap. Wiring info?

    Hi, thanks for the reply. How do I find Lextech? I was in contact with him some time ago for the awesome 0411 conversion on gmtruckcentral but that forum seems to have died. Is he on here? Cheers.
  19. L

    L31 to LS1 swap. Wiring info?

    Hi Guys, new to the forum. I am in the process of planning an LS1 swap. I have the 0411 PCM conversion in place. I think I have the engine mounts, trans adapter, exhaust, sump, fuel system and injection wiring under control. Can someone help me with the ignition wiring? I have read about 10...

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