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Thread: Accidentally bought a GM V8 Diesel

  1. 15th October 2008, 08:10 PM #11
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    Quote Originally Posted by dobbo View Post
    I'm getting that out of my 110 regardless of whether I'm in high or low range, even better on the freeway. Why are these engines supposedly a POS?
    From what Im hearing....

    they overheat the back of the donk...

    most repowers that have used them are giving them the bad rep...

    squeeze it into too small an engine bay with too small a radiator with the aircon heat exchanger in front of it and while the numbers just sort of match up when you add the latent heat coming up off of the pipes its enough to make sudden applications of power cook up the back end of the donk prior to the cooling system catching up to it....

    the one I have personally seen failed failed due to oil starvation... the hack who did the install reshaped the pan and oil pick up and when it was operated up a steep hill the oil pressure dropped while up near max revs. The oil frothed from getting splashed by the crank and the pick up that was now too high in the oil grabbed the frothy oil instead of the nice neat oil and that was all she wrote for that one.
    Dave

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  2. 15th October 2008, 08:12 PM #12
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    11's, well i got around 15-16's in mine (6.5, 4.11, T700, 35's)
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  3. 15th October 2008, 08:16 PM #13
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    Quote Originally Posted by Vern View Post
    11's, well i got around 15-16's in mine (6.5, 4.11, T700, 35's)
    Mine was 16l on road and 22l "driven" in the bush 6.2l, 33's, 4.11's and 1.003:1 Tx case

    2 things I DO miss, it sounded like a V8 out the exhaust, unlike my fart in a can IZOOZOO and the torque AT idle was awseome, but other than that, well......................
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  4. 15th October 2008, 08:16 PM #14
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    Quote Originally Posted by Blknight.aus View Post
    squeeze it into too small an engine bay with too small a radiator with the aircon heat exchanger in front of it and while the numbers just sort of match up when you add the latent heat coming up off of the pipes its enough to make sudden applications of power cook up the back end of the donk prior to the cooling system catching up to it......
    They overheat big time in a rangie, only way i fixed mine was with a BIG aluminum 2 core, 80mm thick radiator, and Ford AU fans. In the end i got scared to drive it and just parted it out
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  5. 15th October 2008, 08:17 PM #15
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    And here was I reading the thread title and imagining a 6v71 in a rangie Then I saw it was an 8 not a 6.

    Regards,
    Tote
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  6. 15th October 2008, 08:20 PM #16
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    Quote Originally Posted by rovercare View Post
    Mine was 16l on road and 22l "driven" in the bush 6.2l, 33's, 4.11's and 1.003:1 Tx case

    2 things I DO miss, it sounded like a V8 out the exhaust, unlike my fart in a can IZOOZOO and the torque AT idle was awseome, but other than that, well......................
    Agree totally, but after driving your izoozoo, it felt like it was reliable, unlike the chev
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  7. 15th October 2008, 08:23 PM #17
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    Quote Originally Posted by Vern View Post
    Agree totally, but after driving your izoozoo, it felt like it was reliable, unlike the chev
    Apart from having rattled the breather to bits and cracked the 3" pipe I had fitted on the air filter, they're all miged up now but................but for how long
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  8. 16th October 2008, 01:22 PM #18
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    Rattles

    After every trip in ours I always find a screw on the floor out of the dash somewhere. One day it will show me where it belongs

    Justin
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  9. 16th October 2008, 10:07 PM #19
    will@montlaur.com.au
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    If I could interrupt the detroit diesel bagging session for a moment - out of interest, what was the setup on the gearbox/transfer/diffs that you chaps out there used behind the GM diesel?

    This thing has a 5 speed 'truck box' but I've got no idea what it came from originally. It's certainly solid.

    W
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  10. 16th October 2008, 10:18 PM #20
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    Mine was a Turbo 700, Lt95 combo with taper roller kit.
    Matts was a LT77/230 combo.

    Not bagging them, just don't think they are worth all the hoo har. Great torque off idle, but for 6.5 litres, you'd expect a bit more. honestly don't think it was much quicker than our 300tdi.
    I hope yours is good to you though, good luck
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