I finally got in touch with the builder a couple days ago. The engine and transmission are from an 03 Silverado, he's said he has no idea where the previous owner got the 03 LS1 Vette engine idea from. Front axle is a Dana 44 from a Jeep Wagoneer with a LSD and all the outer stuff, including the brakes, is from late 70's F150/Bronco. Along with the Explorer rear axle with disc brakes, this car stops WAAAAY better than my other Eagle.
A few days ago, I rewired the radio. Most of the splices were done with duct tape.
I didn't want this to turn into a money pit, but I dropped it off at the exhaust shop last night. I was under it the day before, trying to come up with a plan for skid plates and noticed the transmission cooling lines were touching the exhaust. One cat was on the side of the bellhousing and the other was under the bellhousing. Not a good idea for transmission life. Not to mention the exhaust was put together with about 20+ short pieces of pipe frakensteined together. The exhaust guy said, "Man, someone spent an awful lot of time screwing this up."