Spartan 6.4 drag racing Duramax and Cummins - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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Old 07-12-2009, 09:47 AM
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Spartan 6.4 drag racing Duramax and Cummins

I am curious. When i purchase the Spartan setup with 275 tune how would the power be if compared to a tuned Duramax or Cummins? I'm speaking of the newer 2008 and up trucks. I'm thinking that if Chevy and Dodge have programmers that put out as much power then they should be faster cause a similiar truck weighs less than a Ford. The Chevy is around 800lbs or more lighter than our trucks. Anyone have any experiences?

Last edited by sawtooth1; 07-12-2009 at 09:48 AM. Reason: My truck is a crewcab with 3.73 gears
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Old 07-12-2009, 10:12 AM
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dodge and chevy wont be as fast without a built trans... period
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Old 07-12-2009, 10:24 AM
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are you saying the ford trans is bacically "built" compared to chevy and dodge?..
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Old 07-12-2009, 10:43 AM
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The tuning that spartan does to the transmission is capabable of handling the horsepower the engine can produce, dodge and chevy cant do that as of right now.
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Old 07-12-2009, 01:35 PM
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As far as tuner, exhaust, and intake, the 6.4 owns the competition. There isn't another truck out there period that can get the power a 6.4 can with just simple mods. Dodge has always had trouble with their automatic transmissions. The Allison is a great tranny on the Duramax, but when to much power is added (90+ hp) it can't handle it well at all. Dollar for dollar, the 6.4 is the most powerful diesel on the market currently
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Old 07-12-2009, 01:36 PM
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so your're saying the ford's tranny is built to withstand 550hp?..
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Old 07-12-2009, 01:37 PM
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when its spartan tuned?..
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Old 07-12-2009, 01:50 PM
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Quote:
Originally Posted by hammett88 View Post
when its spartan tuned?..
When it is Spartan tuned.
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Old 07-12-2009, 01:50 PM
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Yes. That is what is being stated, and that is what has been proven. Several trucks have laid down around 700 horsepower with nitrous on stock tranny's
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Old 07-12-2009, 02:01 PM
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Yup there are plenty of people running stock trans at about 550 horse, some are on nitrous with little issue, (as long as you dont get carried away)
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