Well i have been waiting for more folks to comment on the SV-1 but it seems the cost for most is the factor, which even Patrick points out in his writting.I for one think the design is perfect for me as a foot-brake car due to the quicker response and Iam not a professional tuner so I cant get a dominator to respond as fast as the SV1.I have looked at the toilet but for me its alot more to add on a simple car.My partner and i are going E-85 due to its here now and makes sence and due to I have a 1050 Holley now and would have to change it over for E85 plus the fact I wanted more CFM anyway and its pretty