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07-10-2019, 12:38 PM
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#1 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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K2500 w/3.54:1
What do you think? Would you want 3.54:1 ratio in a K2500/K20 with Th350 and 285/75-16s or there abouts rubber? I ask because I just opened up a Dana 60 Power-Lok I have and that's the ratio. I'm a 4.10 man from way back and I don't need to go 80 mph. Do you think the mileage gain would be significant and worth the loss of grunt? I haven't done any math, but it seems the difference in gearing would be close to O/D on the hiway. But it's all the time, not just up to speed. I do have another Dana 44 front axle to do the gear swap, so could always the 3.10 set in case I didn't like it or need it. Just pondering I guess.
* Actually, probably not like O/D. More like about half what O/D gives
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