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david Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
5/19/2005 11:21:44
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Subject: 68 mm TB porting IP: Logged
Message: I just removed my TB from my 2004 dak 4.7 and did a micro. The TB measures 68mm in back and 66mm on the inlet. You guys really think grinding down 1 mm thickness around of metal would benifit me or should I just clean it up and polish?
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N56629 Dodge Dakota JOIN HERE
5/19/2005 13:18:26
| RE: 68 mm TB porting IP: Logged
Message: That 66mm actually tapers to 65mm just above the throttle plate. Fully modified, you can increase flow by about 15%. Bored oversize, new throttle plate and modified shaft would get about 20%. If you upgrade to a modified 68mm tb, you can increase flow by about 25%
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