Hey axxmann Had the same thought as you notice you can't even get a 12 inch wood ruler to fit into the rear tub area. After futher research Mini tubs where the answer but a lot of work cut the back seat down move trunk hinge's move rear springs move body frame rail's and on and on. Well that is what I found out or like Quick bird said roll the finder's . We did this in the 60's and 70's with a base ball bat on a Duster that we had a 440 in and wanted 12" tires so we could hook up better. Well wish you luck and I play Guitar also it is a peavey with an 800 Watt crate amp with wawa pedal sometimes keep on rocking.