With that much real estate to cover an AIO is the way to go, D151 is a good choice or HD Speed. Also use the Lake Country white polishing pad.
Good luck.
You may want to consider investing in a DA polisher and pads. The results will speak for themselves, plus your body will thank you.
Porter Cable, Meguires and Griots are a few choices around $150.
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It was a great experience, time well spent. I recommend to all detailers to join the IDA and get your Certification and SVT.
Thank you for the opportunity.