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Forum: General RV Questions

01-28-2010, 12:07 PM

Replies: 29

Tow/Haul Mode

Views: 4,679

Posted By Hamops

The Allison tranny on the Silverado/GMC gives you...

The Allison tranny on the Silverado/GMC gives you the best of two worlds. First, it allows you to use it in non T/H mode to operate like a car tranny, with quick smooth shifts and secondly in T/H, it...

Forum: General RV Questions

01-27-2010, 12:14 AM

Replies: 29

Tow/Haul Mode

Views: 4,679

Posted By Hamops

I don't think that it makes that much difference....

I don't think that it makes that much difference. Your Dmax with a 6spd Allison is doing about 60MPH at 1600RPM, which is about 5MPH above 5th to 6th shift point in T/H. Assuming you've got the...

Forum: General RV Questions

01-25-2010, 07:47 AM

Replies: 29

Tow/Haul Mode

Views: 4,679

Posted By Hamops

I believe that fuel mileage is not affected that...

I believe that fuel mileage is not affected that much because there isn't any change in gear ratios so whether you're towing in T/H or not the engine speed will not change at a constant roadspeed....

Forum: General RV Questions

01-25-2010, 07:28 AM

Replies: 29

Tow/Haul Mode

Views: 4,679

Posted By Hamops

I'm not sure what you mean by "revsa lot higher...

I'm not sure what you mean by "revsa lot higher in T/H". All T/H does is change the shift points to better utilize the engine's power, when pulling a heavy load. The T/H also locks up the tranny for...

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