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ISX valve failures

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15 hours ago, FIVE said:

Guaranteed for 100,000 miles or until it leaves the dealer's lot, which ever comes first.

So tail light warranty 

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On 12/10/2019 at 10:42 AM, WILDEBILL308 said:

Yes it is. It is nice of you to order some of these engines in so you could test them for us. What HP are they set up for?

Bill

450

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6 hours ago, jleamont said:

450

Ok  explain to me why they are set up for such low output? I am not in the business but it seems like a big heavy engine for such low output when it could be 605 and  2050 torque. 

Bill

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12 speed transmission direct drive 252 rears. It will pull 80,000 all over the northeast at 68 MPH if I had to take a guess 7.5 MPG, plus it’s more aerodynamic.

The secret is the gears, if Motorhomes had those gears and aerodynamics we wouldn’t need so much HP and our MPGs would increase.

Keep in mind it wasn’t that long ago you were on top of the world with 400 hp in a truck (the norm was 350 HP) but you had 13-18 speeds back then.

I believe the torque is 1750, that’s also a big help.

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