You can also strip the splines off the gear where it engages the mainshaft or countershaft.

Honda CRX/Civic, no 5th gear.





Happened at 70 mph. I was coasting down a hill and went to get back into the gas to start back up hill when the engine freereved.

Note: Don't try running 88-91 CRX FD in a 92+ gearbox