Older Richmond 5-Speed in My 1969 Firebird

[Ron Fox]

Originally Posted by Vegas69

I can cruise at 1600-2000 rpm in 5th with mine and it's got a pretty big cam on a 114 lobe separtation. Of course I only do it on flat ground under minimum loads. Big block torque.

Is there any possibility of damaging the motor (with a high hp or even a not so high hp motor) if rpm's go below a certain number?

Thanks.