Re: Axle ratios, etc

Posted by CNKS on April 26, 2005 at 17:59:30 from (204.249.178.138):

In Reply to: Re: Axle ratios, etc posted by Hugh MacKay on April 26, 2005 at 15:44:19:

Hugh, you are a semi driver. I'm not. That's comparing an apple and an orange, more like an apple and a bowling ball. Or perhaps a Cub and an 806, since this is a tractor forum. All I am asking is if I can go to a 3.73 or 4.10, perhaps with a larger oil pan, and perhaps a better external cooler than I have now, and be able to tow 2-300 miles once a year or so without ruining my transmission. All within the CGVW of the trailer and the pickup. I'm not trying to make a 2500HD out of a 1500, and it makes no sense to me to buy a new, or a used one in as good condition as mine, for limited towing. On the other hand I don't want to run 3000 rpm empty, I don't think the 4.10 will turn more than 2200 in OD, vs about 1800 now. Someone correct me if my calculations are wrong. 4x4 has nothing to do with my towing, except that it lowers the combined CGVW of the trailer and pickup because the 4X4 is a little heavier than the corresponding 2WD version. I have no intention of towing in 4WD. Western KS is not Canada, but I first drove a 4X4 in 1992, (record 60 inches of snow in 92-93, Canadians probably call that flurries) and I will NEVER go back to 2WD, in my opinion 4WD is that much better, even in KS. When I need it, it's there. Much more solid than 2WD -- And, my 4X4 is not one you see in the ditch during snowstorms. If I get stranded in a snowstorm somewhere, (most likely I would stay home), I can wait it out. I have no desire to rip out an automatic and replace with a manual, If I could afford a new truck, it would also be auto -- that is an individual preference and depends on who is talking. I'm not arguing your opinion, in fact you are likely correct. In simple terms the 4L60 in my GMC is the wrong transmission for towing, the 4L80E would be much better, but I would have to change transmission, axle ratio, and the computer since the 4L80E is computer controlled, the 4L60 is not. I would still like to know if a 3.73 or 4.10 will make the trans run cooler, or not, if someone could answer that question, I would be satisfied--I don't think there's any question that the lower gears would pull better. But, it amounts to the same transmission turning faster -- I assume due to the lower gearing, that there is less "strain" on the trans, but I don't have that answer yet. As to other posts indicating that I won't get my $1500 or whatever, back, that doesn't interest me, and if it saves my transmission, it's the pay now, or pay later thing. The fact that it's a 13 year old pickup, doesn't bother me, because I take care of things, except that good care goes out the window when the trans temp hits 250 degrees. I appreciate your's and the others comments -- now if someone would just answer my question --.

Follow Ups:

• Re: Axle ratios, etc Hugh MacKay 20:46:03 04/26/05 (1)
  • Re: Axle ratios, etc Stickler 11:58:12 04/27/05 (0)
• Re: Axle ratios, etc ChadS 18:59:02 04/26/05 (2)
  • Re: Axle ratios, etc CNKS 19:45:05 04/26/05 (1)
    • Re: Axle ratios, etc ChadS 07:46:04 04/27/05 (0)

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