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Thread: 4BE1 Turbo converstion

  1. 14th January 2012, 11:22 AM #1
    Busman's Avatar
    Busman
    Busman is offline cdl dave Silver Subscriber
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    4BE1 Turbo converstion

    Hi, Can anyone advise what easy options are for a intercooler for the 4BE1?
    I have an 82 Rangie, and the air-con core will be pulled out, so should have sufficient room to mount.
    Any further options and referrals in regards to piping up etc?
    In the turbo thread, l asked on what is the best Exhaust Manifold set-up and part numbers for a td5 Turbo conversion.
    Any help will be greatly appreciated.
    Cheers Dave

    66 Series 2a
    82 RR Classic
    86 RR Classic
    04 D2a Disco Td5
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  2. 14th January 2012, 09:50 PM #2
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    Conversion

    Dave
    The TD5 turbo conversion is a custom made manifold adaptor hence no part numbers. Go back through the Markets section and see if you can pick up that County with the 4BE1T in it for around the 2K mark. Would have all the bits you need.

    Justin
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  3. 16th January 2012, 07:50 PM #3
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    Busman
    Busman is offline cdl dave Silver Subscriber
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    I will keep you posted guys.
    Bought a Supercharger for the Isuzu, and will look at installing it next month.
    It will be an original for a 4BE1.
    Cheers Dave

    66 Series 2a
    82 RR Classic
    86 RR Classic
    04 D2a Disco Td5
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  4. 17th January 2012, 06:21 AM #4
    Dougal
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    Why a supercharger?

    All the usual 4BD1 turbo conversion parts will work on a 4BE1.
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  5. 17th January 2012, 07:39 AM #5
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    Busman
    Busman is offline cdl dave Silver Subscriber
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    The Rangie is being built up at the moment to be a rock crawler etc.
    The SC will suit what l have in mind, especially with 37' inch tyres.
    Contact air flow will be suitable for this application
    Quite a few mechanics have suggested this option.
    The SC is quite simple to plumb up also.

    http://s1194.photobucket.com/albums/...ALEPICS045.jpg
    Cheers Dave

    66 Series 2a
    82 RR Classic
    86 RR Classic
    04 D2a Disco Td5
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  6. 17th January 2012, 08:09 AM #6
    Dougal
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    How much boost will your supercharger be putting out and how much power can the crank snout support? There are a lot of reasons why there are zero production supercharged diesels. I'd hate you to spend thousands proving them all.

    The problem with lots of torque at low rpm on these engines is torsional vibration. At 1400rpm I had 17psi boost, roughly 500Nm and vibration because the flywheel isn't heavy enough to smooth this out. I have since gone to a slightly bigger turbo to reduce the boost and torque at very low engine speeds.

    You need to double or triple the inertia to run lots of torque successfully at very low rpm on a big 4 cyl motor like these.
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