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Harley-Davidson™ F-150
4.56 Rear Gears for 2003 H-D
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<blockquote data-quote="tebraddock" data-source="post: 487623" data-attributes="member: 10317"><p>I have not dyoed yet. I kind of wanted to wait until I had my entire package put together first. However, today I took a guy out who just bought his '03 HD and he wants the same package that I have on his. He baselined over the weekend at 326 to the rearwheels and will go again after the mods are in and get a comparison. I will be happy to post his results after he does that. I am curious myself to see what I'm pushing now, but really want to be awestruck after I get the headers, throttle body and electric fan put on it. </p><p></p><p>My truck is my main mode of transportation. I have a bike too, but for long interstate trips it will be the truck. Are 4.56s just too much even though I'm running those low RPMs with the 3.73s? And if so, is it even worth the added jump to move up to the 4.10s? I have the 4.10s on order, but would change over to the 4.56s if I can get a couple people that they don't think it would kill the gas mileage or the rear. I know gas will take a hit, but most of my driving is red light to red light anyway. Thanks.</p><p></p><p>Tom</p></blockquote><p></p>
[QUOTE="tebraddock, post: 487623, member: 10317"] I have not dyoed yet. I kind of wanted to wait until I had my entire package put together first. However, today I took a guy out who just bought his '03 HD and he wants the same package that I have on his. He baselined over the weekend at 326 to the rearwheels and will go again after the mods are in and get a comparison. I will be happy to post his results after he does that. I am curious myself to see what I'm pushing now, but really want to be awestruck after I get the headers, throttle body and electric fan put on it. My truck is my main mode of transportation. I have a bike too, but for long interstate trips it will be the truck. Are 4.56s just too much even though I'm running those low RPMs with the 3.73s? And if so, is it even worth the added jump to move up to the 4.10s? I have the 4.10s on order, but would change over to the 4.56s if I can get a couple people that they don't think it would kill the gas mileage or the rear. I know gas will take a hit, but most of my driving is red light to red light anyway. Thanks. Tom [/QUOTE]
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Harley-Davidson™ F-150
4.56 Rear Gears for 2003 H-D
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