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  1. #1
    Member Since
    May 2009
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    What VX? Rodeo Crew Cab, Jackaroo chassis, Supercharged 3.5, Navara tub (!!)
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    Quote Originally Posted by johnnyapollo View Post
    The SC that shipped from Alpine was an MP92. I'm not sure about the differences but I can tell from the photo in the eBay ad that the drive (*nose) is considerably longer. I have one of the earlier cast drives (later units shipped with a billet aluminum drive) and the bearings are shot - I'm looking to get it rebuilt now. I know from some threads on here that the Alpine configuration on the drive is less than ideal - you might want to research it a bit as several have had their units rebuilt.

    I'm thinking about porting the manifold before putting it back on - the whole kit has been sitting in a box since the middle of last year - fortunatly I had an extra complete manifold (from a Trooper) that I used to swap out so I didn't have to deal with the o-rings and fuel rails - just left them on the kit manifold.

    -- John
    Thanks for that John. Good to hear of problems with the Alpine system. Keep the complaints coming folks

    Agreed good snout support is vital for longevity of the drive
    We are looking at how the V8 boys support the snout on the big blowers, and the sort of maintenance they get, and I am talking to a firm here in OZ that uses MP90 on Isuzu 3.5's in aircraft. Can't just pull over if you have a failure.....
    The vehicles we are doing here are taking us to very remote locations on so very rough roads so reliability is paramount - last year one guy made an 1100 mile round trip to civilisation & back when a wheel bearing on a vehicle failed on the Canning Stock Route The driver of the broken car got to camp in Nowhere, AUS for a week - possible to get a VERY long way from anything at all in this place!
    Rob

  2. #2
    Member Since
    May 2009
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    What VX? Rodeo Crew Cab, Jackaroo chassis, Supercharged 3.5, Navara tub (!!)
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    I should probably provide some background - we are a fully equipped mechanical workshop with fabrication gear and a rolling road dyno.
    Started out bring in JDM cars and getting them licenced and road worthy for Australia but moved into service & tuning as the government progressively made it harder to import cars
    We have a Jackaroo (Trooper) bare chassis as a 'test mule' which will get the first installation. This old nail has over 400000 kms on the odo, but still managed 134 hp at the wheels as it came from the auction. This is the baseline

    Heres the SC on our chassis. Note the high tech plywood manifold!


    Rob
    Last edited by Robbomaz : 05/22/2009 at 06:08 AM

  3. #3
    Member Since
    Nov 2005
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    Custom painted S/C Ironman (ex. VX-King Copper, Rickster's Chameleon)
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    Actually, the original set was supplied with Eaton M62 S/C... it was 1st generation too...
    The immediate reaction of my supercharged friend in Russia is that M90 and 4th generation will destroy original pistons / rods unless you get a wrought replacement...
    it says on eBay that M90 is 4.0-5.7L engines... isn't that too tough for our 10-years old 6VE1 3.5L?
    Vodka... Connecting people

  4. #4
    Member Since
    May 2009
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    What VX? Rodeo Crew Cab, Jackaroo chassis, Supercharged 3.5, Navara tub (!!)
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    Yeah I noticed that. MP90 catalogue says 3.5 litre & upwards
    To give an idea Holden here fitted 62s on their 3.8 litre V6 - then went to a 90 in later models, the boost came down but the power went up.
    The Isuzu engine is more efficient so can swallow more air.
    4th gen has greater helix on the rotors, which make the discharge smoother & cooler. Boost is a product of pulley size

    The standard engine is strong - 5-6 psi will not be a problem. I think the 90 will be underdriven to give this. No need for forged pistons at that boost, and the rest of the bottom end is massive! Either way we will know - we are going to boost our 400000 km test engine with no internal work. It will get a service & plug change and be rolled onto the dyno!

    Once we have got everything kosher at 5-6 psi we are going to throw on a Haltech computer and see how far we can boost the unopened motor.
    As to what may be possible, I know of a twin turbo 3.2 with all the good gear inside making 580 kW at the wheels and it is used every day as a delivery truck
    Rob

  5. #5
    Member Since
    Apr 2007
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    2001, Proton #1238
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    It’s great to hear that you guys are doing this. I have a felling in the near future a lot of the after market preference part that are purchased by the VX and the Isuzu community are going to come from Australia. From what I understand the 6VE1 is fairly common down there and now that Isuzu has left the USA it look’s like Australia will be the best option for just about everything Isuzu.
    Cars designed by spreadsheets make sense. Cars designed by engineers make history.

  6. #6
    Member Since
    May 2006
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    SOLD!
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    And just FYI, there are VXes in Oz. We actually have 2 or 3 active members from Australia on regularly.

    Bart

  7. #7
    Member Since
    Jun 2002
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    2001, Proton Yellow, #0580
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    Sorry I meant MP62 and bungled it.

    -- John
    John Eaton
    Original Owner
    2001 Proton Yellow #580
    Atlanta GA

    http://wildtoys.com/vehicross/
    http://vehicross.blogspot.com/

    "Metaphors be with you"

  8. #8
    Member Since
    Jun 2004
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    99 Astral Silver VX #1872 + 99 Ironman WIP
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    10,613
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    Lightbulb

    Quote Originally Posted by Robbomaz View Post
    Heres the SC on our chassis. Note the high tech plywood manifold!


    Rob
    Your sweet plywood intake reminded me...

    I'm just throwi'n this out there as food for "you know what"...

    I haven't looked at my stock intake plenum in years, but remember the top & bottom halves come apart...

    Would it be possible to utilize the bottom half of the stock intake, to connect to the intake ports on the heads, & fabricate/machine a flat plate to seal the top, that the S/C would be attached to? I was thinking 1/2" aluminium plate.

    Like i said, it's been years, so I've probably overlooked a detail or two, but I always thought that this might be an improvement over the cast iron intake lump that I originally received from Alpine.

  9. #9
    Member Since
    May 2009
    Location
    What VX? Rodeo Crew Cab, Jackaroo chassis, Supercharged 3.5, Navara tub (!!)
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    Quote Originally Posted by Ldub View Post
    Your sweet plywood intake reminded me...

    I'm just throwi'n this out there as food for "you know what"...

    I haven't looked at my stock intake plenum in years, but remember the top & bottom halves come apart...

    Would it be possible to utilize the bottom half of the stock intake, to connect to the intake ports on the heads, & fabricate/machine a flat plate to seal the top, that the S/C would be attached to? I was thinking 1/2" aluminium plate.

    Like i said, it's been years, so I've probably overlooked a detail or two, but I always thought that this might be an improvement over the cast iron intake lump that I originally received from Alpine.
    Cast iron? You scared me there, I had to check.....the one we will be getting (from Alpine or elsewhere) is aluminum.
    Regarding the stock intake idea, I actually consider the manifold in the kits to be a worse design! It would be great to be able to take advantage of those beaut vertical runners to slam the charge into the engine. (An engineer here in OZ actually developed 350 Chev heads that used that principle for drag boats - the manifold looked like a big spider sitting on the engine!) and maybe even retaining the dual length runner system - but there is one major issue: height. The SC would sit so high you would need a Pro Stock bonnet scoop

    Anyway, my Frankenstein project 'Jackadeo' will have body back on chassis soon so I will be able to seriously measure & see - that has a 60mm body lift but will still give us an idea
    Cheers for now
    Rob

  10. #10
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    Jan 2008
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    It's very obvious that many Vx'ers are interested in the supercharger upgrade,including me so if australia's fellow mamber can help us get our nads onto those kits it shall be great & well appretiated.shipping shouldn't be a issue at all,UPS,fedex & other shipping carriers are all suitable.

    But is also obvious that in order for alpine to built more of those kits it got to be on a group buy method.
    Dakar was just the begining.

  11. #11
    Member Since
    May 2009
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    What VX? Rodeo Crew Cab, Jackaroo chassis, Supercharged 3.5, Navara tub (!!)
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    Quote Originally Posted by Gussie2000 View Post
    It's very obvious that many Vx'ers are interested in the supercharger upgrade,including me so if australia's fellow mamber can help us get our nads onto those kits it shall be great & well appretiated.shipping shouldn't be a issue at all,UPS,fedex & other shipping carriers are all suitable.

    But is also obvious that in order for alpine to built more of those kits it got to be on a group buy method.
    Exactly! The rest of the parts are not so much of an issue, as I have a secondary supplier and/or can batch fab them myself.
    Manifold batch run is 10. There are 3 cars waiting here and I can afford to put one under the counter as an interest generator - so if 6 people on here are willing to put up a deposit of AUD500 each to reserve a manifold that I estimate will cost between AUD700 and AUD1000 plus shipping we are in business :bgwp:

    Sorry I can't pin down tighter as neither party that do the manifolds has come back to me with a firm price yet. As soon as I have that you guys will know!

    If I was a touch more cashed up I would spring for the entire production run myself, I am BUSTING to get this blower on my car!
    Cheers for now
    Rob

  12. #12
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    So approximetly how much each kit would come up for with all assembly parts included ?

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