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Thread: 6.2 chevy v8

  1. #21
    Join Date
    Dec 2009
    Location
    Tyrendarra Vic (South West Vic )
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    GM 6.6 liter V8 diesel + 1000 Nm of torque for me anyday

  2. #22
    Join Date
    May 2006
    Location
    Woolgoolga
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    Now ya talking!

  3. #23
    Join Date
    Jun 2009
    Location
    Queensland
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    Well the old 6.2 towed the Royal Review to Samford Show and back this weekend. Around 6 tonne all up and performed faultlessly.
    Cruises at 100 k at 2500 rpm in 5thgear on the Isuzu MSA with 4.7 diffs and 900 x 16 tyres

    Keith

  4. #24
    Join Date
    Dec 2014
    Location
    FNQ
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    It's interesting to read the comments, particularly from those who've "been there, done that" with regard to the v8 swaps.

    One of the things I've been careful to consider is to not upset the vehicles original dynamics, or rather, to use the benefit of 30+ years of engineering evolution to improve the vehicle in the areas where it is by modern standards 'particularly weak' - and that is power to weight ratio, weight distribution and torque curve.

    Braking performance is another area, and believe it or not, at least in my RRC the transmission and transfer case are actually quite efficient, with their archilles heel being only the torque handling design limit.

    So as I slowly accumulate all the necessary for my particular application, I note with interest the various engine swaps and their attributes, both positive and negative.

    It's interesting to note a couple of things regarding the chev diesel - weight and cooling, being the most prevalent negative comment, then the fuel/power comments, before moving on to other issues of a lesser conjecture.

    Of course, we all love to be armchair experts when it comes to opinions, but in reality, only those who perform these conversions / swaps really understand the limitations of what they have to work with versus the cost to 'make it work' versus what it'd cost to 'make it perfect'... and I think that the big issue is in those different statements.

    Not everyone has an unlimited budget to work with. Some people happen to have something suitable on-hand, which means zero net cost.
    Others yet have the necessary fabrication skills to DIY, while others have more money than brains and will throw endless amounts of cash at something just to prove a point.

    How effective or sensible all these variants are in combination are actually a moot point.

    From my previous experiences, the only way to achieve a successful outcome it so do the absolute best with what you have available to you, and if it is well planned, the cost will not be absurd and the results surprisingly good.

    But, at the end of the day, you cannot make a silk purse from a sow's ear.

    So ideally, you choose something that is overall an improvement in every aspect than what currently exists in-situ.

    Which is why I casually smile when I read all the comments. It's reaffirming to read from others direct experiences what works and what doesn't.

    It's not to say good idea or bad idea..... it's purely information provided to alert those who undertake such projects to the areas requiring attention to make the overall conversion process a rewarding effort, and not a constant battle.
    Roads?.. Where we're going, we don't need roads...

  5. #25
    Join Date
    May 2006
    Location
    Woolgoolga
    Posts
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    Mercguy, my conversion fit well, made it all myself (except trans adapter), motor went fine (was fully rebuilt, new pump injector ls etc...) similar to the holden 336 stroker i had in there previously, lunched a t700 though, second one was bullet proof.
    But overall it wasn't that impressive, not what all the hype was anyway, and cooling was the hard part.
    I am much much happier with my 4bd1t now, much more user friendly, but what surprised me was the the chev and the 4bd1 weigh about the same.

  6. #26
    Join Date
    Nov 2008
    Location
    Illawarra
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    There could be a new option on the plate soon, Cummins is going to make a 5.0 v8 TDI for the patrol/titan in the U.S. in response to the ford/chev/Chrysler big block diesels. Its supposed to be around 230kw and 720nm or 310 horsepower and 555 lb-ft of torque.
    Cummins Engines
    Cummins Engines

  7. #27
    Join Date
    May 2014
    Location
    Tamworth NSW
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    The Foton Tunland has the 2.8L Chinese made Cummins diesel, and I'm damn sure in a few years there will be plenty of those engines floating around when the rest of the car rusts around it
    -Mitch
    'El Burro' 2012 Defender 90.

  8. #28
    Join Date
    Aug 2017
    Location
    AU
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    I once test drove an aussie suburban with the V8 diesel in it. At startup the NVH was horrendous. It went okay around the suburbs, but as the revs rose the power curve dropped off quickly, so i imagine overtaking or hills or highway work wouldnt be quick.

    I ended up getting an Amarok, that with only 2.0L ****s all over it performance wise, uses way less fuel, and you can almost forget the engine is running.

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