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Thread: 4l80e Swap Question?

  1. #1
    ryan_prettyman Guest

    4l80e Swap Question?

    Well I pretty much have every thing to do the swap except the wiring adapter and the driveshaft fix, performabuilt told me that I can fix the length with a slip yoke I will keep my drive shaft because it is already the 4'' but has the smaller u joint and I know I can get spicer u-joints that go from the 1310 to the 1350 but I need a part number for the longer 32 spline slip yoke the 4L80E is actually shorter than the truck 4L60E, so does anyone have a good part number?
    Last edited by ryan_prettyman; 10-08-2009 at 07:16 PM.

  2. #2
    I dont have it but I am going to need it. You might find it in kysilverados how to thread on Performancetrucks.net or on the front page. Nelson performance did a right up on it as well.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  3. #3
    Join Date
    Nov 2003
    Location
    Denton Texas
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    20,540
    Go here and see if you can locate the one you want... The Expert - Dana Holding Corporation Product Information for driveshafts, driveshafts, axles, and Drivelines. Select Identify Part by Dimension (J300-P) select Slip Yoke, select Splined Transmission, Change the series to whatever size ujoint you want, (1330 or 1350 or 1410 if you really have some serious TQ) and then you get a list of all slip yokes. The R(hub diameter) you want is 1.885 in OD and has 31/32 splines. The output shaft is 1.350

    2-3-14281X must be the longest 1330 out there.
    3-3-6441X is the longest 1350
    3-3-4401X is the longest 1410 if you're the boss
    Last edited by RedHeartbeat; 10-08-2009 at 09:40 PM.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  4. #4
    ryan_prettyman Guest
    Well here are some parts that I have aquired all I need is 32 spline yoke transmission and harness![IMG] [/IMG]

  5. #5
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
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    wow, that thing is clean. Its obviously an older unit since it doesn't have the center support with the oil return line going into it. That should not be an issue though. What's the dipstick out of? Sure has a lot of sharp bends in it.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #6
    ryan_prettyman Guest
    the trans was taped up and sand blasted last weekend and for the dip stick tube it is a 2500 hd truck assembly I would of had the crossmember welded up today but I don't have a welder any more and my buddies welder broke so I will probably have to wait until monday. I wonder how much power my stock 5" driveshaft will be good for?

  7. #7
    Join Date
    Nov 2003
    Location
    Denton Texas
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    biggest issue will be how much weight can it handle. Its probably good up to 500 hp but will TQ twist it. Paint a straight line down the length of it and check it from time ot time.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  8. #8
    ryan_prettyman Guest
    Here is some pics of my cross member before I sandblast it and paint it!

    [IMG] [/IMG]

  9. #9
    ryan_prettyman Guest
    So I ordered a elbow for the 4l80e rear cooler line it is a 1/4" mpt to #6 flareless fitting for the longer ext, line and I was wondering I noticed that rear fitting has a standoff pipe that extends to the center suppot from the fitting is it totally necessary that the fitting have this standoff pipe ext ?

  10. #10
    Join Date
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    Location
    THE MEAN STREETS OF OKLAHOMA
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    you dont need a harness man, the wiring is stupid easy, like really retard proof man, even for the vss its easy. If you need it lemme know i can tell ya how to do it or ill give you the links of the how too DIY.
    THEY CALL ME G.

    AZRAEL

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    The difference between winning and losing, is having a 2nd stage.

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