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Headers or stock manifolds POLL

Headers or manifolds -which make more power

  • Total voters
    30
No defense, so you have to make up stories and name call.

You are the one that said a motor is a motor. So by that logic, installing headers will gain the exact same no matter which motor you pick.
 


Surely if there are gains on a l67, someone must have done a before/after over the 20 years this motor has been out. Should be easy to find right?
 
I would like to point out that speed daddy headers are some of the worst I've come across with s***** welds that push through to the inside as well as misaligned tubes at the collectors.
 
GTPpower said:
Yes. I posted that already. First off, it's NA. Second, do you really believe it picked up 20whp? People that do every mod to a na 3800 barely pick up that much power. It doesn't add up with the real world. Slp is obviously trying to sell headers with that article.

You need to find a forced induction car. Na ls motors are nowhere near the same.
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I dont believe that Hot Rod magazine would knowingly engage in false advertising AND lie about it. Maybe they tuned the car at the same time? We will never know...
 
GTPpower said:
Nevermind, I found it.

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My butt dyno told me that my SD headers made a difference once installed. Only 5 HP? I doubt it was only that much. Something mustve been wrong with that car. Maybe it went lean with KR? We may never know...
 
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ZZP is known to exaggerate anything and everything just to sell their products or disprove another manufacturer.

I've only been in the 3800 scene for a few years and even I know which company is pulling **** out of their ass for sales and which company is actually worth their prices...

And I don't drink the koolaid, this is from experience, however limited that experience is.
 
jaydubb71 said:
I dont believe that Hot Rod magazine would knowingly engage in false advertising AND lie about it. Maybe they tuned the car at the same time? We will never know...
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It's pretty easy to get a dyno to say whatever you want. The operator could make some changes and the article writer never would have known.
 
jaydubb71 said:
My butt dyno told me that my SD headers made a difference once installed. Only 5 HP? I doubt it was only that much. Something mustve been wrong with that car. Maybe it went lean with KR? We may never know...
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No kr. It was on e85.

I'm talking about actual, unscrewed and unbiased information from a dyno to measure the change.
 
GTPpower said:
It's pretty easy to get a dyno to say whatever you want. The operator could make some changes and the article writer never would have known.
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True, but I dont think Hot Rod would waste the time for sales.

Can I ask... Are you a conspiracy theorist? LOL! Just kidding

If headers were such a waste, no one would EVER buy them. Just like some of the CTS-V2 folks who yell about headers dont work and how their boost drops. LOL
 


WarStryker13 said:
That's gonna take somebody actually spending the money to test it. Until that happens, all arguing is pointless without proof.
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That's partially my point. This platform is fairly popular. Why hasn't anyone done a before/after test after all these years? Or maybe they did, and were disappointed so the results were never posted.
 
jaydubb71 said:
True, but I dont think Hot Rod would waste the time for sales.

Can I ask... Are you a conspiracy theorist? LOL! Just kidding

If headers were such a waste, no one would EVER buy them. Just like some of the CTS-V2 folks who yell about headers dont work and how their boost drops. LOL
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Slp advertises in hrm. So, it could have easily helped sales for both.

I'm not a conspiracy theorist. I just have a lot of experience, and have always been disappointed with headers performance on these cars.

Even the cts-v folks are confirming what I'm saying. 2-3% gain, on even an engine that makes 300% more hp than ours do.
 
I think it's just people didn't want to spend the extra on a dyno test after spending so much on everything else, because these cars have always been the "budget fast cars"

The w body platform is cheap to buy, cheap to mod, and cheap to maintain, which makes it more accessible for low budget builders than most any other car. That's why most people don't constantly go to the dyno after every mod, because it usually costs more to dyno than the mod itself cost.

Everyone who has the extra cash to dyno a car after each mod, left the platform for a faster one, usually some form of V8 RWD that'll make 10s easily.
 
That's the case now, but ten years ago, it was a different story. The cars weren't that cheap. People spent a lot of money on the car and mods. A canned tune used to cost $300, as an example.
 


6 pages of waste.

There's literally like not anything to argue about.

When you've made a blower setup that makes north of 350~ WHP, then you might need to upgrade. Same with the catback. All these people tossing on headers for "supporting mods" like I said in 2009...was the general consensus. After giving two sh1ts, I made just as much power with a downpipe and stock manifolds on my cornfed car than I probably would have with headers.

Contrary to popular belief it's not a mammoth Whipple setup that displaces more than your engine; so you're not pushing that much power.
 
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