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-   -   Another Weber tuning question (http://forums.pelicanparts.com/porsche-911-technical-forum/114601-another-weber-tuning-question.html)

jmz 06-12-2003 09:54 AM
Another Weber tuning question
 
Does the collective think that the "butt-dyno" could pervieve the diffenrence between 34 and 36 mm venturis on a set of Webers?

About the car,

3.0
9.3:1
Elgin Mod S cams ...supposed to be the same as GE60 I think
Mild port work on heads but stock valves
SSIs and dual inlet single outlet stock exhaust.

rs911t 06-12-2003 10:03 AM
Probably not unless your butt is real sensitive above 6000rpm. The BA book has a chart comparing 32, 34 & 36. There's a formula for computing the proper venturi. For my 2.8 is yields 36mm, so I replaced the 34mm that came with the car.


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