They do crawl very good and my brother who also had an 87 turbo'd runner had an up hill turtle race with a crawler and went toe to toe with it, now going downhill is another issue. You must learn to use the ebrake to keep from flying down, but there is a way to make it a very good downhill crawler. The torque converter is electric and if you install a switch to defeat the stall it will crawl very nicely down but just don't stop with the switch on or you'll blow the converter.
