Its identical to one I had (a 66) except mine was a wagon (wagons should have come with surf boards on the roof - lol). Mine looks rough as someone used house paint....painted it white, then back to blue, then the second coat of blue began to peel and it looked like a flock of pterodactyls sht all over it. heh heh
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Check the floors.....they were paper thin from Goteberg and little to no rust proofing, especially in the trunk. Mine was in a dry storage barn in New Mexico for 22 yrs (estate dispute) and was clean as a bell. I gave $2000 for it.
If its a drive able but needs everything (like I'm guessing).....$2000 is about as steep as I'd go.Stock is a 1.8L 88 hp motor.....probably a 4 spd M40 manual. Think lawnmower with doors.
People shoe horn LS's in these....pretty stupid IMO. Car wasn't designed for 10x the torque and the firewall will have to be butchered (the air box is under the hood, so forget a heater if you go that route).
What fits in these really well (same dimensions) is an Ecotec. 200+hp and 35mpg. You can go the 'newer' Volvo redblocks but the inner wheel wells are HUGE so there will be trimming to get the turbo to clear as they sit on an angle.
I'll dig up some pics of what guys have done. A 4.3 fits well too.