At least a few people with experience suggest starting with Direct Connection's recommendations.
http://racingfuelsystems.myfunforum.org/viewtopic.php?f=25&t=678The hard part is the 'low speed' and part throttle...
My suggestion is save your money on the bases and buy a set of microdrills and a pin drill holder. Then you can measure every restriction and and make changes from there, if needed.
The WBO2 is helpful for learning this stuff. Get one where you can also record rpm. Even better for all but drag racing is a setup where you can also measure manifold vacuum and/or throttle position.
