TeamSwift

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Underbody braces, turbos and more!

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PostPosted: Sat May 02, 2009 10:16 pm 
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Joined: Sat Jun 03, 2006 11:54 pm
Posts: 673
Location: Illinois
I did this to my Saturn SL1 while I had the TB out for cleaning. All I did was to carefully grind the trailing edge of each side of the throttle blade, then to radius it with the wire wheel. I only did it to 2/3 of each edge, so that the sealing portion of the blade was not affected. Do not take the sealing edge away, or you will have muchos idle RPM. It makes a huge difference on throttle input when cruising, not to mention making the engine quieter. I take it 35 mpg average out of this engine with an automatic is good.... Try it for yourself.

Image

My theory was that at light throttle, the air glides over the blade vs. stumbling over it.

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If it ain't broke, fix it until it is. LOL.


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PostPosted: Thu May 07, 2009 11:34 am 
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Joined: Mon Jun 18, 2007 1:35 pm
Posts: 2433
Location: Regina, SK
Good idea. I did this on a modified throttle body I have.

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My cars:

J. McBean: '98 Suzuki Swift 1.3L 16v SOHC 5sp+ "Mk5" Made in Canada
The Mini Rattler: '94 Suzuki Swift .993L 6v SOHC 5sp+ "Mk3" Made in Canada *The Winter Beater*
B. Berry: '90 Chevrolet Turbo Sprint 1.0L 6v SOHC 5sp+ "Mk2" Made in Japan

I got 18MPG in a 3cyl with a 5 speed manual 4dr, '93 Metro! :yeahyeah


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