Unfortunately, [Dave Niewinski]’s kids are still too little to go on a real roller coaster. But they’re certainly big enough to be tossed around by this giant robot arm roller coaster simulator. As to ...

Unfortunately, [Dave Niewinski]’s kids are still too little to go on a real roller coaster. But they’re certainly big enough to be tossed around by this giant robot arm roller coaster simulator. As to ...

Q.When I rebuilt a 350 Chevy V-8 to replace the six-cylinder in my 1955 Chevy 210 I decided to use roller rocker arms. We ground the valves, added a mild cam with hydraulic lifters, screwed in studs, ...