Hi, I'm looking to build a belly pan instead of using a diaper. I can use either steel or aluminum, what thickness does it need to be, how tall of a lip needs to be around pan? Any other tips would be appreciated. Jim

64 Dodge Coronet 440. In progress
1998. Dodge Avenger. 8.35@165. 4400 DA
250” Neil and Parks Slip Joint. 7.36@183.
4600 DA
242" Mullis Dragster. 6.90@ 200mph