(Question) HEI Internal to external Coil Conversion

[bw46]

Originally Posted by Custom/20

I'm thinking that my tach is dead. I've tried grounding the tach itself to the dash and no response from the key or anything. I've been looking at brother's trucks reproduction tach and it looks nice. Has anyone tried it?

https://www.brotherstrucks.com/67-72...tinfo/TACH100/

Yes. It was as advertised, looks good, fit fine, works fine. Spendy though.

[Custom/20]

Originally Posted by bw46

Yes. It was as advertised, looks good, fit fine, works fine. Spendy though.

Cool. The reason why I ask is I was also looking at classicparts tach as well and it states that it does not work with hei ignition..

http://www.classicparts.com/mobile/1.../#.WDp03-mIZ74

[54blackhornet]

GM offered tachs with HEI from 75 to mid 90’s. So they do work together.