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Thread: supercharger on a classic

  1. #1
    Join Date
    Sep 2006
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    Bathurst, NSW
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    supercharger on a classic

    I have a '92 classic with 3.9 that is in generally great shape, but I would like to improve the power under load for towing trailers (approx 1.3T) through rough terrain and sand. Currently towing up hill feels underpowered. Has anyone put a supercharger on either a 3.9 or the bigger 4.4l engines and is the increase in power and torque worth the expense? What are your thoughts?

  2. #2
    Join Date
    May 2009
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    Don't. Not worth the effort, time, money, frustration or results.
    4.6 rover v8 is easy relatively cheap these days.
    I have seen them advertised for $800 quite often

  3. #3
    Join Date
    May 2013
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    Agree,....don't do it.
    Reason?....the basic engine ain't good enough.
    By all means, seek more power, but the way you suggest ain't gonna cut it.
    Pickles.

  4. #4
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    Apr 2009
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    Crafers West South Australia
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    I shudder to think where you'd find a super charger setup these days, I imagine they were always rare or extremely expensive. I've actually worked on a super charged 3.5 RRC and I've also fitted a 4.6 high comp motor to another one. Out of the two the 4.6 wins hands down as it isn't encumbered with this extra lump of machinery in an already crowded engine bay. The 3.5 ran an aftermarket Haltech ECU and timing system, the 4.6 ran (still runs) quite adequately on the stock ECU.

  5. #5
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    Sep 2006
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    Bathurst, NSW
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    Thanks again gentlemen, your advice is much appreciated and confirms what I thought, alot of expense with questionable return. I will keep working on the options, but then again it might be as simple as reduce the weight in the trailer! Cheers.

  6. #6
    Join Date
    Apr 2015
    Location
    Hervey Bay
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    E-charger hybrid

    Seen this on the weekend.


    The E-Charger Hybrid System - fullBOOST


    Now if I can find somewhere to fit a big Lithium Ion battery in the Rangie one of these would be sweet!!
    04 L322 Vogue V8 - Work truck
    07 Freelander 2 TD4 SE - The wifes
    74 Leyland P76 Targa Florio - Aspen Green
    91 Kawasaki GPZ900R


    Previous LRs = 78IIa series - 81, 93, 95 RRC - D2V8

  7. #7
    Join Date
    Aug 2008
    Location
    Perth, WA
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    Easy, just put them where the left and right sill tanks would go....

  8. #8
    Join Date
    Feb 2010
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    sydney
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    Drool

  9. #9
    Join Date
    Mar 2011
    Location
    Western Australia
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    Put an LS in it!




    Someone had to say it...

  10. #10
    Join Date
    Aug 2007
    Location
    Gosnells
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    Almost ANY other engine is an improvement... from 3L MAZDA diesels, to 307 Ford v8 (needs shoe-horning and light R foot....)

    My 3.9 gets embarrassed on a flat road if you hitch a solid 4x'6' box trailer onto her...- before loading it...

    ford 'Yellow' injectors may improve it a tiny bit... but the problem with the 3.9 is that it's a LOW compression design, and I'm told the inlet manifold leaves a lot to be desired... The engine is a lemon, and always will be a thirsty & gutless failure, IMHO.
    Some folk like the sound of an 'unbalanced' 8 cylinder contraption...

    The 4.6 is looking the most economical way.

    (I'm taking the easy/sensible way out, The Lady Sarah is up for sale.... maybe replaced with a Chinese 4WD... performance & costs couldn't be worse!)

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