C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Tb Air Foil

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Old Apr 24, 2006 | 11:59 AM
  #1  
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Default Tb Air Foil

Whats with the air foil flow booster for sale at mid america. Do they work? I looked at my 1990 L98 tb and it does have sort of a blunt area in the middle of the bores. Why couldnt you touch that up with a dremel tool to smooth it out--Anyone ever try it?
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Old Apr 24, 2006 | 12:08 PM
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I've nver tested one on a dyno, nor have heard anybody else talk about it. I own a copy of "Insider Hints" which was written by TPIS/Myron Cottrell and they claim it's worth something. I think TPIS sells thiers for about $60, pretty cheap and a "could help, can't hurt" type of situation. I'm not that handy with a dremel tool and a new throttle body will cost more than $60

Best of luck,

Adam.
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Old Apr 24, 2006 | 12:10 PM
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General concensus here on the forum is they don't work. If so, it's by such a small amount that I cant tell. Got one on my 94 put on there 10 yrs ago.
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Old Apr 24, 2006 | 12:12 PM
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complete crap, as is nearly everything else in the catalogs
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Old Apr 24, 2006 | 12:37 PM
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Originally Posted by MATCHLIGHT
"Insider Hints" which was written by TPIS/Myron Cottrell and they claim it's worth something. I think TPIS sells thiers for about $60
FWIW, Their "claim" is "11.6 hp and 36 cfm...on a flow bench and dyno"........TPIS also states a gain of 6.4 hp and 6.2 ft.pds tq. by using +4 bosch plugs.....you decide

Last edited by mseven; Apr 24, 2006 at 12:40 PM.
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Old Apr 24, 2006 | 12:53 PM
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Read the FAQ sticky at the top of the page
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Old Apr 24, 2006 | 01:55 PM
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Originally Posted by mudslide
Whats with the air foil flow booster for sale at mid america. Do they work?
It works well at transferring money from your wallet to theirs. $60.00 for a $5.00 blob of pot metal...Hellava deal. Now if it were CNC machined billet, aluminum, or better yet titanium, it work much better.

RACE ON!!!
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Old Apr 24, 2006 | 02:03 PM
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A search for the words "Air" and "Foil" turned up 72 results:

http://forums.corvetteforum.com/sear...archid=2120432

Happy reading.

You might wanna try searching before clogging up the forum with really common, often answered questions. Good luck!
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Old Apr 24, 2006 | 02:04 PM
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Ok I get the hint. I just took off the TB for a good cleaning and was waiting for gm to get my gasket(to much time on my hands I guess) Thanks again guys. PS I know that my tps is not ajustable but it read .65 so I loosened it and turned it and got it down to .568 not purfect but its all it will go,I think its withen specks though.
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Old Apr 24, 2006 | 06:03 PM
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Several years ago, TV's Horsepower Garage did a piece about LT1 (on an Impala SS) bolt-ons. They did before and after dyno runs on each item.

One of these items was the airfoil. The conclusion was that it did not affect the power output one way or the other. I watched that show and applauded them for being honest enough to say so on the show.

Larry
code5coupe
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Old Apr 24, 2006 | 06:44 PM
  #11  
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I put one on my IROC a couple of years ago and they are not worth the money.
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