Thread: Seat & Seat Belt Mounts

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Evidence of my being uncomfortable with the fender washer approach, which had been suggested to me by a local guy, is me asking the question here. Regs, I share your concern about the forces involved and the strength of the floor, even with Core-Mat. IC2, I understand your "sandwich" approach and it sounds secure, but applying it to my glass body is a bit different. CCBob, your comment is one that really makes us think - this is a fiberglass car, so any crash of significance is going to put us in a world of hurt. Recall KennyD's pictures a few days back of the Willy's that broke up all around him. Tech, as usual you cut to the chase with specifics, which I expect are based on your understanding of the rule books for comp cars. While the body may be separating from the chassis in a wreck, your approach is to ensure that the part with the seats remains a unit, which makes sense to me.
I attached a picture from N&N's website showing the basic chassis - American Stamping rails with a round tube bracing section between, sort of a modified X-member with upper & lower sections. The upper section is at, or very close to contacting the bottom of the body - within 3/16" at the widest point in the area of the seats. Tomorrow I will spend some time laying under the car pondering the layout, and how best to anchor the seat bolts while keeping it presentable. The body is coming off very soon for final frame work, prep and paint, so the timing is not too bad.
Thanks to all who took time to respond.