InjectorDynamics.com




WTF?


By now most of you are familiar with my rants. Some of you think it's funny, and others just think I'm a cranky prick. Bear with me because I am particularly cranky right now.

The latest bit of fun comes from a guy offering the same genuine Bosch injectors without the hype and high price. His forum ad questions our "made up" test process, and luckily for all of you, he is here to offer an inexpensive alternative that is the result of precision machining.

That's awfully nice of him.

I foolishly ordered a set of injectors from this dickhead so that I could test them D Y N A M I C A L L Y and show just what our "made up" testing process was all about. Test them, show the variation that is made obvious with dynamic testing, and clear the air in hopes that he might shut his fat yap.

I gave him waaaay too much credit.

What I got was a set of injectors and top hat adapters that must have been shipped by a blind man. Doesn't this idiot know that we all test each others stuff to see what's up?

I don't have the patience for a well worded rant right now, so pretend this is Playboy Online and just look at the pictures.

Don't worry, you're not going to need your ambidextrous mouse for this one.

Jesus...where do I start. That curl of something tucked into the inlet of the adapter on the left, is that a piece of aluminum left over from the machining process? Yup.

And all that other stuff making a home in the adapters? Is that all swarf from the machining process? Yup.

Either that, or they were nice and clean when they came from the machine shop, and he decided to add the special sauce just for me.

And what about that sliver of o-ring material hanging off the injector on the left? Apparently this idiot knows another idiot that owns a CNC machine and he's too much of an idiot to make a good top hat adapter with it.

Not only is there no radius on the edge that the o-ring passes, there is a nice sharp burr that works the o-ring like a cheese grater.

Sort of looks like the nice thin slices that you get at a good italian restaurant doesn't it?

And while we're on the subject of o-rings, notice how much is exposed on the adapter? Almost like someone put a 14mm o-ring into a groove meant for a 2 X 8 mm o-ring. Hmm...

The groove is dimensioned for a 2 X 8 mm Denso o-ring, and this idiot put a 14mm o-ring on top of the groove. I say on top, because it sure as hell isn't going to go into the groove.

Wanna guess what happens when you get enough pressure on this thing? Do I need to post the o-ring groove design data from the Parker Hannafin o-ring catalog? Maybe I'll send him a copy.

But wait, it gets better. Again I gave him too much credit by foolishly assuming that it would actually fit in a fuel rail.

I put my calipers on the o-ring and found that to go onto this adapter, it had to stretch so much that the O.D. is about .040" oversized. Probably wouldn't even fit in a fuel rail.

Since the flowbench had injectors in it, I grabbed one of my top hat adapters which is the same I.D. as a standard domestic fuel rail.

No go. Will not fit. So I tried plugging it into one of his adapters. Same thing. No go.

Has he ever sold any of these? They sure as hell are not going to fit a standard fuel rail. Will not go, no way no how.

On to the next...

Different shot showing the scarred o-rings, and some of the machining swarf that made its way down into the injector on the left. I suppose I could get a better angle and show all of the crud that made its way down into the injector, but what's the point. How much worse can I make this idiot look?

One more and then I'm done...

I guess it's time to talk about the tips. Or maybe not. What can I say that's not obvious from the picture?

So while he's busy arguing with the moderator about Tony Palo crashing his party on the vendors section of the forum, I'll be using the buyer protection on my credit card to get my money back.

$365 dollars will buy an awful lot of Red Bull and cigarettes.

I'm not even going to bother testing these mutts because doing so would involve cleaning them first which would make them harder to return.

That's going to sound kind of funny tomorrow morning: "Hey Aaron, don't put those in the machine, I don't want to get them clean!"

So in case you're wondering, this is why we raise so much hell about our injectors vs other modified high impedance 1000cc injectors on the market. I certainly wouldn't claim that everyone’s injectors look like this. I mean, c'mon this guy brings stupidity to a whole new level.

But...the forums are full of claims that everyone else's stuff is the same as ours but costs less money and so we need to defend ourselves. Sometimes you get what you pay for.

I was going to purchase a set from another idiot on E Bay, but after seeing this, I don't think I want to waste the time or money. This E Bay guy is a real winner. Maybe these guys are brothers. Check out his ad:



ID, as in Injector Dynamics? And how about the C16 slam in the text? He stole that from the Fuel Injector Clinic website.

They must be brothers. Twins probably.

I filed a complaint with E Bay, but I'm sure it will go nowhere.

So there you have it.

As long as they keep making ridiculous claims, I'll keep exposing them for what they really are. I just can't believe how easy they make it.


Update: The Plot Thckens.

Which idiot do I start with?

How 'bout the E Bay idiot. I sent him an email through E Bay asking if they were Injector Dynamics injectors. Here was his response: "No they are not, that was a mistake in the listing."

Apparently he mistakenly listed ID on his picture, and in the product description in the listing.

Now for idiot number 2.

After poking around a bit, I found that idiot number 2 is located in California. That's interesting because the injectors I ordered from him came from North Carolina.

One could take the position that i'm picking on the poor guy and he isn't even the one that overlooked all the obvious problems.

Yeah right.

Reading his ad on the forum, you would get the idea that he is some kind of fuel injector expert. As it turns out, he doesn't even lay eyes on the "precision machined" product that he is shipping. Maybe familiarizing himself with the product he sells is considered "hype" and not worth the money.

Enter idiot number 3.

Thanks to Google it didn't take long to figure out where these things came from. Once I got to his website I found a few interesting things. The first is the following statement: NOTE: Items are non refundable

Why?

As some of you already know, Tony Palo brought these to market by doing just the opposite. He sent injectors to several tuners for free and told them "If you don't like them send them back. If you do like them I'll send you an invoice." Tony and I have both made this offer on numerous occasion and have NEVER gotten a set back.

Before I lay into this guy, I want to make one thing clear. I don't go after these guys just because they are in the business, I only respond to ridiculous claims and half assed attacks on our product. To be completely fair, this guy has never caused any problems for us.

But...I did say I saw some interesting things on his website right? What I saw was snippets from the original ad copy that I wrote for these injectors over a year ago. Ad copy that was the result of very detailed testing. Almost word for word, but with minor changes.

"High Pressure capability up to 100psi fuel Pressure Flow will increase approx 50%"

"Injectors will run 90% to 95% duty cycle up to 9000RPM"

I suppose it's possible that this idiot had a calculator with a square root buton on it, and then calculated the flow increase at 100psi. I suppose it's also possible that he actually tested the flow increase.

Possible, but unlikely.

Even less likely is that he did what we do which is to run the injector in 5 psi increments. Gather 450 data points across the pulsewidth range. Perform a linear regression to determine the slope and offset. Normalize the slope, and then calculate the standard deviation to see what pressure must be exceeded before the output becomes scattered.

Anyone placing bets?

And how about the maximum duty cycle? Maximum linear duty cycle to be exact. Do you suppose he determined the recovery time from the flow data, and then calculated the maximum linear duty cycle at 9,000 rpm? And just maybe he picked the same RPM point as i did to perform the calculations? Maybe

There is a rash of this on the internet right now. Tony keeps sending me links to sites using pieces of the Injector Dynamics ad copy.

I have even sent out letters warning of copyright infringement.

I've decided it will be better to just expose them for what they are. In fact, there will be a new section added to the site in the near future called "The Hall of Shame" This section will feature all of those who think Injector Dynamics copyrighted ad copy is theirs for the taking.

If any of you would like to have some fun, call these guys and ask them how they determine linearity, recovery time, dead time, lower non linear operating range, upper non linear operating range, minimum repeatable pulsewidth, etc.

If it's on their site, they should have an answer right?

Finally I would like to end this by saying that there are reputable injector suppliers that are not making ridiculous claims, stealing ad copy, or attacking us for having a superior testing process just because the don't understand it.

They're not hard to spot. They're the guys that promote their product based on its own merits, and take care of their customers.

I'm guessing they don't have a list of hacked up non refundable injectors on their site.


Keep an eye on this site as it will continue to grow. Every few weeks Tony will threaten to kick me in the nads if I don't add to it, and so I work through the night to avoid the pain and get more stuff posted for you guys to see.

I hope you find it both amusing and informative.

I promise to make the next addition more informative and less amusing.

Paul Yaw

Yaw Power Products/Injector Dynamics



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