passenger floor. 1/4 X 20 nuts and bolts through the floor. Have to get a fire extinguisher over there as well. This car is more race car than street car. Strictly a street car, but it's pretty gutted. Yeah, I have door panels and panels in the rear, but no door windows, plexi rear glass ordered, no wipers, no heater, no vent air, racing style turn signal and lights stalk I have to bolt on but have it.....Just the rollbar and rear strut bar added any weight, most has been getting weight off of it. I had to reinforce the subframe to handle the power. Id like to get it under 2500.....might be hard as they have thicker sheet metal than the 240's do.