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airtabs or vorblade what is working best?

anyone have experience with these??

VorBlade Cab Only System Black

Price:

$298.80

Airtabs

$220.00

Tractor Kit, Black

Answer this question I have this problem too

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We have put airtabs on both the tractor and trailer and don't notice any difference. We do the same route, no difference in mileage and still get bucked around in the wind or when another truck passes. We have a Freightliner Classic and 53' reffer with a 43" gap between them and didn't help, I wouldn't recommend them, to me it was a waste of $500, maybe others have better luck with them. Good luck

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Phil, I think I found your problem... You have Freightliner Classic with a 43" gap. AirTabs work best when the gap is as small as you can get it. In addition, the classic styling of your truck means MPG won't improve and you'll get bucked around unless you do additional modifications to the rig (such as moving the air cleaners under the hood, installing skirts (if available for your truck model) and doing upgrades to the suspension (e.g. ping tanks)). You might also be operating in wind conditions so strong that even the best vortex generators and aerodynamic devices won't work... conditions that can cause a rig to get blown over.

In the western states, I am well aware that winds can get to speeds over 75 MPH in some situations... and that's the same strength as a Category 1 hurricane or a EF-1 Tornado. Ditto here in Illinois when a snow storm hits... I have seen many rigs on their sides after winds in excess of 35 MPH hit the side of a trailer.

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Have air tabs on t-2000. Vor blades on trailer with crosswind blocker. Truck is getting vor blades after repaint!

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Yea Zachary we are noticing this but I had asked the question about closing up the gap months ago by moving the kingpin and I was told to try them that they work, and I'm not the only one that has not seen any good of them. We have them on the trailer also and it packs snow on the back and over the lights just as bad when we didn't have them. My opinion for what it is worth I wouldn't use air tabs.

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Thanks for letting me know how those are working (or in this case, not working) in the conditions you run in. It sounds more and more like I should look into performance upgrades for both the semi and pickup instead of buying these, and it further confirms that AirTabs won't help my particular stability problem either.

By the way, to keep the snow off the tail lights, you might want to try spraying PAM cooking spray on them after cleaning them off.

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Phil I've thought about trying these products for last couple years but everybody I've talked to in person has not noticed any difference in MPG or handling

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To Phil Albert:

you mentioned your gap is 43". 43 is a bad number to space the tractor and trailer. You might try stretching your trailer out 10 more inches. I have reason to believe that doing so will not only help your fuel economy but also lessen the stability issues. It's hard to explain, but scientifically valid none the less. Also, you may find the Air Tabs may make a difference at the wider spacing. Just fyi.

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air tabs only work on a tractor if the gap between trailer and where the air tabs are installed on the tractor is less than 40 inches. if the gap between your tractor and trailer is bigger then you need vorblades, they promote a 10 to 12 ft vortex.

now in saying all of this, i have used both air tabs and vorblades,

i like them both, they kept the snow off the back of the truck, therefore i know they both give better fuel mileage, i would say i gained about 2 percent fuel savings, i did not buy them for the fuel savings, i got them for the more stable ride in the wind and for keeping the snow in the winter off the back of my truck.

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Peter Hotovec will be eternally grateful.
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