Originally Posted by Shmoo
I recommend against it since if it wanted you to shift into it, it would let you without you having to rev.
Originally Posted by kill_kill_kill
I would think it's not good to use 1st to downshift
All is probably true, good advice
But still, why does revving the engine effect the synchros? Nobody has been able to answer it. It might just be the clutch rubbing, but it happens on two of my friends cars as well.