Zero gauge cable through firewall

[B 8]

Has anyone done this yet in a Mk2 172? I need some advice on where to start and what to do?

Cheers, Brian.

 

[Bryan]

there has been various different topics on this,

if you do a search for the word "grommet" you will find various topics

look through them, i posted a step by step guide in one of them

0awg cabling wil be tight, but i think it will just squeeze through