Just to hammer a little bit on what I said previously - or as they say a picture is worth a thousand words...
www.rutherfordms.com
There is a picture of our Camaro leaving the line on the main page (4th flash pic) with the modifications that I mentioned previously.
Seriously if the lower bars are basically parallel with the frame connectors then your IC is out there in front of you - way out there. The car will never work any better. What you have is decent, the slight body separation, planting the tires looks good - it's just not quick.