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Thread: 1975 Datsun 620 Pickup Truck

  1. #1
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    1975 Datsun 620 Pickup Truck

    I just bought a 620 Datsun truck and was searching for information on brake conversions and transmission swaps.

    Currently it has:
    4 speed tranny (feels very sloppy) to a L20B
    Drum brakes all around

    I'd like to convert at least the front brakes to disc. I've been searching the forum but haven't found any information about this topic. I'd like to find out what I parts I need for a conversion. I've seen rotors on ebay, but wanted to know more about the calipers and other parts I would be needing.

    I also want to switch to a 5 speed trans. What would be a good donor datsun/nissan to look for a transmission?

    Any help would be much appreciated.

  2. #2
    Administrator john's Avatar
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    Re: 1975 Datsun 620 Pickup Truck

    Quote Originally Posted by hawaii_se-r
    I'd like to convert at least the front brakes to disc. I've been searching the forum but haven't found any information about this topic. I'd like to find out what I parts I need for a conversion.
    Easiest way to go about it is to find a '78-79 in the junkyard and take all the front end stuff off of it. All the later 620s had disc brakes in the front.

    I also want to switch to a 5 speed trans. What would be a good donor datsun/nissan to look for a transmission?
    Same thing. :wink:

    The late 620 5spd is one of the best transmissions Datsun ever made. :tu:

    And if you get it from a 620, it should be basically a bolt-in (assuming you get the mount and driveshaft too).

  3. #3
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    Any thoughts or concerns with something like this?

    http://cgi.ebay.com/ebaymotors/Datsun-3 ... 500wt_1219

    What would be of concerns with doing something like this to my truck? Just wanted to know what the forum of JNC would think about this.

  4. #4
    Administrator john's Avatar
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    Re: Any thoughts or concerns with something like this?

    Quote Originally Posted by hawaii_se-r
    What would be of concerns with doing something like this to my truck?
    None at all Beebani's kit is well engineered and works very well. And gets you bigger brakes than stock 620 stuff, as well as service parts that are easier to find down the road. If you don't mind spending the cash, I highly recommend it. :tu:

  5. #5
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    Cooling / Fan

    My original fan is broken and I don't have the original fan shroud either. Should I shop out a fan and shroud, or should I just go with an electric fan setup?

    Any recommendations? or draw backs on doing one or the other?

  6. #6
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    just go electric with a thermo controler i did that in my 610 and never looked back the stock fan wasent enough when it was put in by datsun now 30+ years later its really not enough

  7. #7
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    Any pics of the truck? :mrgreen:

  8. #8
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    Pics

    I'll get them up shortly!

  9. #9
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    Pix or you dont own it :lol: JK my friend look forward to this build.

  10. #10
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    My truck



    I'm not a fan of the Titan rims it came with, but it will do for now.

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