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Tech & Fab
Tow Rig Gearing 7.3/auto
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<blockquote data-quote="alscott" data-source="post: 712814" data-attributes="member: 4573"><p>I have an 03 7.3 with 3.73 and 33" tires. I pull around 12,000 lbs quite a bit and it does great as long as your clicking around 75 mph or in the 50s with overdrive locked out. I have a built trans though and most the time my converter will lock up in 2nd gear. I think the 4.30 gear will be to low to run 70 plus mph but it'll be great around 60 -65 mph. Unless your going to push big power in the future then 4.10 is the only way to go IMO. With 35s and 4.10s you should have decent rpm still around 75 mph or faster. Or put a big turbo and injectors in it and leave the gear alone <img src="/styles/default/xenforo/smilies2/dblthumb2.gif" class="smilie" loading="lazy" alt=":dblthumb:" title="Dblthumb2 :dblthumb:" data-shortname=":dblthumb:" /></p></blockquote><p></p>
[QUOTE="alscott, post: 712814, member: 4573"] I have an 03 7.3 with 3.73 and 33" tires. I pull around 12,000 lbs quite a bit and it does great as long as your clicking around 75 mph or in the 50s with overdrive locked out. I have a built trans though and most the time my converter will lock up in 2nd gear. I think the 4.30 gear will be to low to run 70 plus mph but it'll be great around 60 -65 mph. Unless your going to push big power in the future then 4.10 is the only way to go IMO. With 35s and 4.10s you should have decent rpm still around 75 mph or faster. Or put a big turbo and injectors in it and leave the gear alone :dblthumb: [/QUOTE]
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