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Header suggestions for MP122

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Old Jul 23, 2010 | 08:28 PM
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Default Header suggestions for MP122

Just about finished getting my truck running with the new motor. Forged 6.0L with MP122 Radix and Livernois stage II 243 heads. 215/227 .603/.613 cam. 4L80 tranny with 3000 stall. My Pacesetter long tubes are in pretty sad shape. What headers would you suggest for my rig? Has full dual 3" exhaust...no cats and magnaflow mufflers.
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Old Jul 23, 2010 | 08:49 PM
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I hear some kooks from an f-body will work.1 7/8 stepped to 2" with a 3" collector should do it.
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Old Jul 23, 2010 | 08:50 PM
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I went with LPP's, but they are out of stock last I heard. ARH, Stainless Works, Kooks (for non 4wd), and Dynatechs all make great (and expensive) stainless headers that many of the members have. Do a title search on here for headers and you'll find a bunch of threads about this.
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Old Jul 23, 2010 | 08:53 PM
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ARH 1 7/8 for 6.2 would do it






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Old Jul 23, 2010 | 09:10 PM
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Originally Posted by TX Tahoe Z71
I went with LPP's, but they are out of stock last I heard. ARH, Stainless Works, Kooks (for non 4wd), and Dynatechs all make great (and expensive) stainless headers that many of the members have. Do a title search on here for headers and you'll find a bunch of threads about this.
Not too many threads about header selection in the f/i section. I'm sure I could find lots of "help" in the exhaust performance section. Was hoping to get opinions from folks with boosted motors.
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Old Jul 23, 2010 | 09:13 PM
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I run the ARH, 1 7/8 also had them coated.
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Old Jul 23, 2010 | 09:13 PM
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Originally Posted by terravast4
I hear some kooks from an f-body will work.1 7/8 stepped to 2" with a 3" collector should do it.
By "stepped", I'm assuming the primaries start at 1.875 and then balloon to 2" before the collectors?
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Old Jul 23, 2010 | 09:18 PM
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Originally Posted by supersub
I run the ARH, 1 7/8 also had them coated.
Did you have an outside shop do the coating, or order them that way from ARH? I do think I want some sort of coating to lower under hood temps and increase header life. What's the best way to go coating wise?
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Old Jul 23, 2010 | 09:54 PM
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Jet hot is the best IMHO, But I used a local guy, cost was prob the same Lol!
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Old Jul 23, 2010 | 10:11 PM
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Originally Posted by supersub
Jet hot is the best IMHO, But I used a local guy, cost was prob the same Lol!
What type of coating and what did it cost?
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