SW tach

[68l30]

Yes,either a 970 or a 977 would work.

Steve

[James Berry]

I need to get a tach for my Chevelle. I am not sure what model I need. The car still has the monitor on the firewall.
Monitor Information;
990B, dated MAR 22 1968,
In a Circle S W 257
I think I need a model 977-J or 970-B is this correct.

[James Berry]

Thanks