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Old 04-19-2005, 10:18 AM   #11
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help w/dyno #'s

What type of K&N intake do you have? Also if you add long-tube headers, you'll be close to that 300 mark.

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Old 04-19-2005, 08:43 PM   #12
 
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help w/dyno #'s

mr hemi, what do you think about the dynomax headers with the free flow cats in the y pipe, i can do this stuff myself and pay when the wife doesnt see. where did your truck max out again and what have you done?
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Old 04-19-2005, 09:13 PM   #13
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help w/dyno #'s

You mean the Dynatech SuperMaxx header system? That's what I have and I absolutely love it. If you're going to install headers, don't skimp... get the good stuff.
Install can be done by yourself in the driveway, although I highly recommend a lift - just makes life so much easier! If you haven't seen this yet, take a look at http://www.hemitruckclub.com/headers.htm

Not sure about your last question
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Old 05-16-2005, 12:22 PM   #14
 
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help w/dyno #'s

MRHemi...I just spoke to a shop here in Colorado, and they were trying to talk me out of long tube headers. I wanted to get your first-hand input with them. He said that they will make my truck idle very rough, and make the truck run richer because of the o2 sensor being farther away???? He also said that throughout the rpm's it is normal for "hiccups". What are your thoughts on this guy's persuasions?
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Old 05-16-2005, 12:41 PM   #15
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No offense meant to this guy at that dyno shop... but it is obvious that he does not have a freakin' clue to what he's talking about.
Dynatech spent nearly a year in research & development on long-tube headers for the 5.7 Hemi.

- No rough idle.
- The Hemi runs leaner, not richer.
- 02 sensor is in exact same position as stock.
- Hiccups?? Only from that dyno guy of yours... he's been drinking too much!
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