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  1. T

    Gearing change question?

    I agree...forgot about the tranny issues. Alright will look at fluids etc. 14mpg highway
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    Gearing change question?

    Thanks for the replies. 235/85/16 are the same height as the 265/75/16 so no speedo change needed and likely are giving better mileage due to less rolling resistance as they are thinner. I was just thinking different gearing might improve mileage as I do not use truck for towing.
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    Gearing change question?

    On my 94 Sierra 4x4 it has factory 3.73 gears. Does anyone hazard a guess as to what fuel mileage increase I could expect if I was to swap in 3.08 gears? Thanks so much
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    fuel pump access

    I screwed down a piece of aluminum on top of the access hole but I have a bedliner so even better.
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    fuel pump access

    Hello All, Well, I finally made that access hole in the bed and just today installed a new Delphi fuel pump and Spectra sending unit. Total cost $160 CDN. Amazingly after over 300km the Sierra still had the original sender and fuel pump. The Spectra sending unit had the main line on a poor angle...
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    Fuel connection size

    Hi all....merry xmas! Anyone know what size the fuel line connections are on my 94 Sierra? The ones at the fuel tank sender that go from the sender to the rubber lines? They look to be 18mm? I have to do my sender and pump this week. Thanks
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    fuel pump access

    Anyone ever done this??? http://www.youtube.com/watch?v=c87nMxXquk4&feature=related It looks like a good idea except when he hacksawed the lines.
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    94 Cluster with tach

    Just picked up a cluster from a 93 with tach....sweet plug and play! Love it. Also found out that GM does not sell the bulbs for the back anymore...apparently the socket and bulbs (194) are all one piece. Oh well, now I have some spare ones. Cheers
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    Spare tire?

    Thanks for the reply. Does not matter now. I have gone with LT235/75R16 and will leave the spare the way it is.
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    Spare tire?

    Hi Folks, does anyone know if an LT 285/75R16 tire will fit as a spare on 94 k1500. I have a 265/75R16 and it looks tight now especially with hitch. I personally feel the spare will be in the bed once I get some new tires. cheers
  11. T

    1994 GMC Sierra

    thanks for the replies. Just put a starter in it the other day now looking for some LT285's.
  12. T

    1994 GMC Sierra

    Isn't it beside the 1500? on the door trim.
  13. T

    1994 GMC Sierra

    My restored 1994 GMC Z71
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    94 Cluster with tach

    Thanks folks..glad it will work. Off to the wreckers now.
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    94 Cluster with tach

    As well, does anyone know if a cluster from a 95 K1500 work in a 94? Thanks
  16. T

    Drivers Arm rest

    Thanks for all the replies....just changed it.
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    94 Cluster with tach

    I hope this has not been covered before but does anyone know if a cluster from 94 with a tachometer will plug and play into a cluster with no tachometer? I would really like to have the tach. Thanks
  18. T

    Drivers Arm rest

    Got it... http://www.ehow.com/how_6673561_remove-armrest-94-sierra.html
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    Drivers Arm rest

    Thanks for the replies. There are 2 screws down inside the arm rest but I presume they hold the panel? I hope it can be changed as I hate the cracks. The dealer I bought truck from promised a new panel but never provided it. So now, I have to dig up a panel or arm rest myself.
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    Drivers Arm rest

    Does anyone know if you can just change the arm rest on a 94 drivers door panel or does the whole panel have to be replaced? Mine rest is torn badly. Thanks
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    Catalytic Converter

    Sadly we have emissions testing here. Guess I will have to hunt for a cat one day. Thanks for the replies.
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    Electrical short?

    Well, after a couple of hours of searching it looks like it may be in the cargo lights. For some reason this just occurred the other day. I checked all the circuits but left the cargo lights last. Not sure the exact problem but after I flicked the cargo light switch a few times the lights all...
  23. T

    New member

    No major plans, just do all the oil changes. Maybe get buckets. My first issue is figuring out the short in the courtesy lights. I brought question up in forum yesterday http://www.gmt400.com/forum/showthread.php?5374-Electrical-short
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    Electrical short?

    Hi Folks...,need some help if possible. Just bought this truck and having issues again. I just noticed that when all the doors are closed the courtesy lights stay on very dimly. I did not think it would drain the battery but turns out it did today. I have pulled the courtesy fuse for now and...
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