It had been a while since I went through your thread, but I seen that you were using an aftermarket pan. I have a Texas Speed 570 hp LS3 in my 69 firebird with the Holley 302 pan. I got my hands on their new trap door pan insert that I will be installing after I drop the sub and pull the motor....I haven't fired the motor yet. I also have an Accusump 3qt to plumb in. I will be using my car similar to what you are doing.
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