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Thread: 89 5.3 swap questions

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  1. #1
    Join Date
    Jan 2009
    Location
    Rockwall, TX
    Posts
    558
    89 is electric but it has the drac built into the gauge." moonies" There are ways to get around it, but they where all to difficult. The easyest way is to switch to the needle gauges from like a early 90s body style, or just go with a aftermarket set like I did

    1989 RCSS 5.3/4L60E swap
    - 224/230 .581.591 112lsa,
    - 3200 Stall
    - DJM 4/6 drop
    - Nelson Tuned

    Building the truck GM never did..

  2. #2
    Join Date
    Jul 2009
    Location
    Oklahoma City
    Posts
    152
    So being an electric Speedo and hooking it up to the 4l60e speed sensor it won't work? on my 81 swap I swapped the gauges to like a 90 burban I think and it works fine. I guess I dont understand how the 89 gauge being a Moonie is difficult. I'm doing this for a friend on his truck. My truck is great.

  3. #3
    Join Date
    Jan 2009
    Location
    Rockwall, TX
    Posts
    558
    I tryed on mine and it didn't work, the moonie gauges have the drac ( or a built in vss buffer ) in the gauge it's self, ppl have said its possible with another drac box properly calibrated to accept the new vss signal to work with the gauge but after reading it was over my head. So I just bit the bullet and got a set of aftermarket gauges that look better and only set me back $500

    1989 RCSS 5.3/4L60E swap
    - 224/230 .581.591 112lsa,
    - 3200 Stall
    - DJM 4/6 drop
    - Nelson Tuned

    Building the truck GM never did..

  4. #4
    Join Date
    Jan 2012
    Location
    warwick ny
    Posts
    247
    Schoenfeld headers are around $270 uncoated.

  5. #5
    Join Date
    Jul 2009
    Location
    Oklahoma City
    Posts
    152
    Oh I was told they were 800$

  6. #6
    Join Date
    Dec 2004
    Location
    San Antonio, TX Area
    Posts
    1,741
    "ALisSa1 Silverado"
    1990 Chevrolet RCSB 2002 Chevrolet Camaro LS1/4L60E
    Scrimpin Ain't Easy
    ( . Y . )


  7. #7
    Join Date
    Jul 2009
    Location
    Oklahoma City
    Posts
    152
    Thanks.
    are you running a/c? If so what relocation brackets did u use?

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