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Thread: dynatech headers
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02-14-2007, 07:59 PM #1
dynatech headers
1 3/4" to 1 7/8" stepped headers. when i ordered them, i didn't read where it said does not come with collectors. i knew 525.00 was too good of a price. the 3" collectors for them are 125.00 for standard collectors ( i ordered these ), or you can get their special merge collectors ( more power ) for 325.00. not for me.
Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge, some checkered stripes, drilled/slotted rotors, ZL1addons Stealth wickerbill, Ruxifey LED side markers
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02-15-2007, 05:33 AM #2
Look good, aren't they stainless too?
I got a dumb question, what exactly is the advantage/reason for stepped headers?
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02-15-2007, 08:28 AM #3
mild steel ceramic coated.
it's to help keep as much overall power as possible throughout the entire rpm range. just like a cam, the larger the tube, the higher the rpm band it makes power with the sacrifice of low/mid power. so, with it starting off with 1 3/4" tube, then expanding to 1 7/8" it helps to maintain the low/mid rpms and give you better upper rpms.
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02-15-2007, 09:54 AM #4
I see.
Awhile ago, GMHTP did a full-exhaust setup on an LS1 TA with those headers, y-pipe, and borla catback. They saw pretty good gains too. I could of sworn that they were stainless. But the design looks so much different from all the other longtubes.
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02-15-2007, 10:17 AM #5
you can get them in stainless as well.
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02-22-2007, 05:04 PM #6
installed yesterday. pics are up, along with a review.
http://www.stealthram.com/dynatech.htm
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02-22-2007, 06:30 PM #7
Nice install. Haven't looked at an LS1 in person for awhile, but it looks like the LS1 is a tighter fit all the way around than the LT1. And the steering knuckle came really close too. Good job though.
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02-23-2007, 05:31 AM #8
Nice install! You didn't mention it so I will ask anyway.
Did you have to jack either side of the engine up?
:What did you use to dent the firewall to install the driverside header?
I purchased a set of QTP headers and I just wanted some insight as to some stuff I might run into. I do know they are different, so I might run into different problems!Last edited by 9t8z28; 02-23-2007 at 05:36 AM.
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02-23-2007, 05:32 AM #9
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02-23-2007, 08:28 AM #10
Must have been camera angles then. But yeah, the header install on my 94 wasn't fun, wasn't too bad, but wasn't fun.
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02-23-2007, 08:54 AM #11
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02-26-2007, 04:11 PM #12
at the bottom is pics of the fitment issues and what it took to resolve them.
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