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Topic Review (Newest First)
11-22-2012 09:16 AM
felixthecat Thats called compromising as you stated above. Having long primarys & going w/ the 1 5/8ths will really help the 20's. Just to add isn't that what lifes all about= Compromising, some where
11-22-2012 08:52 AM
AllCarFan very true sir, very true. Kudos to your craftsmanship though!
11-21-2012 11:35 PM
sleepyboy Sad but true
11-21-2012 11:22 PM
AMMO-Duke Ok, I have avoided getting into this conversation in the past, but I might as well go ahead. Here goes:

Yes, you are correct, my header will/does make more power than any other headers currently manufactured for the Duratec. It is not because my tubes are longer, it is because my tubes are the "proper length" to create active exhaust scavenging which makes power. The current headers for the Duratec are not even close to the proper length to create exhaust scavenging. They may allow exhaust to flow better than the stock manifold, but not like a properly tuned header.

So why don't the manufacturers make properly tuned headers? Believe it or not, this is a problem for most of the automotive industry, not just the Duratec. I believe there are very few manufacturers that actually understand header tuning. Even if they do, there are other factors to consider.

DONT BLAME THE MANUFACTURERS!
Let me give you 2 scenarios to help illustrate what I am talking about

Scenario #1 THIS DOES NOT HAPPEN
Consumer says to Manufacturer
-Please build me a header that is tuned for maximum power with no compromises
-I don't care if I have to remove the engine to install it
-I don't care if I have to modify some things to install it
-I don't care if it requires special tuning for the O2 sensor to operate correctly so far downstream
-I don't care if the header costs $1,000

Scenario #2 THIS IS EXACTLY WHAT DOES HAPPEN
Consumer says to manufacturer
-Please build me a header that is shiny
-Please build me a header that is cheap
-Please build me a header that is easy to install
-Please build me a header with a cool name
-I refuse to pay more than $400

BOTTOM LINE...the manufacturers are building the headers that consumers are asking for. You cannot run a business otherwise. The reason why I dont go into the header business myself is because of the above reasons. No one is going to pay $1,000 for a header that requires modifications and takes an entire day to install and will require special tuning. They are going to take that $1,000 and put it toward a turbo kit.

Thus endeth my rant.

If someone thinks they can manufacture this header and overcome the above obstacles, please PM me, I will be very interested.
11-21-2012 06:15 PM
sleepyboy
Quote:
Originally Posted by AllCarFan View Post
you should sell that header. If ever consider it, let me know, my company might be interested in distribution and financing.

Seriously, this has got to be even better than the Cosworth header since it has longer primaries and it's got the same diameter tubes.
11-21-2012 05:48 PM
AllCarFan you should sell that header. If ever consider it, let me know, my company might be interested in distribution and financing.
11-21-2012 08:51 AM
AMMO-Duke Oh yeah, I forgot to mention that I just plugged the coolant line. No issues.

As for the code, I believe there was a code when I unplugged the EGR. Even though the EGR was disabled, the ECU is still aware of its existence. The best thing to do is go ahead and unplug it, write down the code that you get and it should be easy for your tuner to turn it off for you.

I agree, I love having a clean IM. No more oil/hot crankcase fumes from PCV, no more exhaust from EGR=cooler air=runs better. I used to have the same TB stickiness, but no more!
11-20-2012 09:18 PM
felixthecat [QUOTE=AMMO-Duke;4464099]Here is a pic of the EGR blockoff plate from an earlier question. It is fairly simple to make one as long as you use a piece of metal that is flat and smooth, and is thick enough to not warp. This one has been on there for more than a year with no issues. The original EGR bolts are too long, so I spaced them out with washers temporarily. My temporary became permanent as I forgot all about it. lol.

So Daryl, What'd you do w/ the coolant line going to the egr? And I have a tune w/ the egr turned off, So if I disconnect the plug is there going to be a code? I've noticed the inside of the intake manifold is a lot lot cleaner w/ the egr turned off & no more cleaning the TB w/ tb cleaner it free up the tb stickyness. I pulled the TB off to look down the I/M last month & super clean & no sticky TB either.
11-20-2012 06:09 PM
AMMO-Duke Here is a pic of the EGR blockoff plate from an earlier question. It is fairly simple to make one as long as you use a piece of metal that is flat and smooth, and is thick enough to not warp. This one has been on there for more than a year with no issues. The original EGR bolts are too long, so I spaced them out with washers temporarily. My temporary became permanent as I forgot all about it. lol.

11-20-2012 08:16 AM
AMMO-Duke
Quote:
Wow that looks fantastic! What are the primary tube diameters?
Thank you, the tubes are 1-5/8 O.D. and the collector is 2.5 O.D. with FS Stealth 2.5 exhaust.

Quote:
Props to u, that header looks great have u dyno ur car?
I did put it on a dyno when I first put the header on. It made 140whp on an otherwise stock 2.0. I have done a lot more tweaking since then, but I dont plan on dyno again.
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