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http://www.csgnetwork.com/automotiveconverters.html

and this one is for fuel injectors

http://www.witchhunter.com/injectorcalc1.php4

this is a nice little site, lets you pick your turbo, engine size power goals and tells you how much boost youll need etc etc etc

http://www.squirrelpf.com/turbocalc/index.php

 
Rep Power: 746

:thumbsup: good post those are interesting to look through.

 
Rep Power: 748

i htink the first one also has convertors for just random stuff. i especially like the turbo convertor