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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: May 2015 Posts: 47 Wrench Fetcher | | Wrench Fetcher Joined: May 2015 Posts: 47 | Hello All,
Can anyone help me understand the original mounting of the voltage regulator and fuse/horn relay to the firewall. I feel stupid asking, but is there special hardware or a particular size of screw? I thought 1/4-20s would work, but the holes in my firewall are too small for them.
Thanks,
Nico | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | The two screws in this photo attach the cover to the base.There are 2 "bushing" holders on the left side and an opening for a bushing on the right side - I think the original bushings were pieces of rubber with a washer on the top of the rubber. 3 screws are used to go through the three opening/bushings. bushings like the ones in figures 5 & 6 I had a hard time finding those rubber bushings a few years ago. I'll see if I can find a source. | | | | | Joined: May 2015 Posts: 47 Wrench Fetcher | | Wrench Fetcher Joined: May 2015 Posts: 47 | Thanks Tim, I have the bushings, but I am curious about the 3 screws. 1/4-20 screws fit the bushings very well, but they won't go through the firewall without me enlarging the holes. Should I be using 10-32s?
| | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | Might as well give it a try.
If I remember, I'll check mine tomorrow. | | | | | Joined: May 2015 Posts: 47 Wrench Fetcher | | Wrench Fetcher Joined: May 2015 Posts: 47 | Hey Tim, the size 10 screws fit like a glove! | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | Congratulations
Thanks, for the report, Nico | | |
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