So whats the scoop on the 7800 DuraMax ? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 7 (permalink) Old 02-02-2009, 07:40 PM Thread Starter
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So whats the scoop on the 7800 DuraMax ?

I haven't heard anything about the Performance of the Duramax 7.8L I-6 !
Hows that motor working out ?

Mikey

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post #2 of 7 (permalink) Old 02-06-2009, 05:26 AM Thread Starter
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Nobody using the Big duramax diesel ?
It was rated to have more power than the CAT. . .

Mike

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post #3 of 7 (permalink) Old 02-11-2009, 05:12 AM
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that sounds tight! I wanna hear more about it!

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post #4 of 7 (permalink) Old 02-11-2009, 05:54 AM
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we have one at work in a 6500, its a dog. compared to the cat. the cats low end is amazing! in the duramax if your pulling a 310 4x4 hoe up a steady steep hill at highway speed it will bog down on you. it just has no grunt if you ask me.

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post #5 of 7 (permalink) Old 02-12-2009, 04:22 AM Thread Starter
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Really the thing has around 50hp more than the Cat. . .
Must be lacking in Torque ?

Mike

1953 REO M48 w/w.
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post #6 of 7 (permalink) Old 02-13-2009, 02:34 AM
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sounds like all top end and no balls!

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post #7 of 7 (permalink) Old 02-16-2009, 11:52 PM Thread Starter
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Yea i'm sure it is but it was rated to have more HP than the Cat but i love how they almost never list the TQ ratings of motors in general. . .

Mike

1953 REO M48 w/w.
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1969 AMC AMX -390.
1971 AMC /Jeep J4K-DRW.
1988 AMC /Jeep Comanche.
1991 Dodge RamCharger.

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