Performance vs. $$$ ?
Elder User
Joined: Jan 2006
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OK, so you have 3.73s already.
That's good.
If you've got 3.73, then IMHO moving to 4.10s is a lot of expense for minimal gain, it's only a 10% difference. If you had 3.55 or 3.31 (like I had) then it's a good move to 4.10s... Or if you had really large tires, you could step up to 4.56. But I think you are good with what you've got, assuming you have tires that are somewhere close to the factory-original size.
That's good.
If you've got 3.73, then IMHO moving to 4.10s is a lot of expense for minimal gain, it's only a 10% difference. If you had 3.55 or 3.31 (like I had) then it's a good move to 4.10s... Or if you had really large tires, you could step up to 4.56. But I think you are good with what you've got, assuming you have tires that are somewhere close to the factory-original size.
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Freshman User
Joined: Jun 2006
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Wheels and tires are factory (17"). I am thinking of going to Ford 18" wheels with close to factory size tires. I believe the gears that I have aren't the problem, it's the fact that my 5.4L engine only puts down about 200 HP to the rear wheels, if that. So, in this case I think more power would be the all around solution.
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I have a '04 too and am going through the same things in my mind. I'm raising my truck and putting bigger tires so I will be looking for more power. I would love to do the SC, but damn that is a lot of money. I was hoping to find information on adapting the supercharger from a Lightning to our motor but I'm not having any luck.
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Originally Posted by michael101
I have a '04 too and am going through the same things in my mind. I'm raising my truck and putting bigger tires so I will be looking for more power. I would love to do the SC, but damn that is a lot of money. I was hoping to find information on adapting the supercharger from a Lightning to our motor but I'm not having any luck.
I personally know several guys who have added a Lightning blower to their trucks using the components listed.
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Joined: Nov 2005
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Originally Posted by pronstar
http://www.madenterprise.com/scparts.htm
I personally know several guys who have added a Lightning blower to their trucks using the components listed.
I personally know several guys who have added a Lightning blower to their trucks using the components listed.
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Joined: Nov 2004
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From: So. California
I've got a 351 in my F-150 that I run at 75 mph with 4.10 gears and no overdrive just 3 speed auto c6. I have gone so far to cruise 85 and past 4000 rpm. I love low gears but I am planning to run a 5 speed overdrive in my other truck because I think I need a good highway gear.
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