Originally posted by JimBlake
Ummm I bet 1st has a synchro & reverse doesn't.
On my '95 & on almost every car I've ever owned, 1st has a synchro but reverse doesn't. The synchro is what blocks you out of gear. Since reverse doesn't have a synchro it grinds if you try with the clutch engaged.
Uhh the syncrhonizer is what grabs on to the speed gear.