I want to install my CHT gauge on the dash face of my car, (saw this at RRC) looked real clean. My thought was to cut a larger dia hole where the lighter is. I'm not sure the best way to go about doing this. What's the best way to cut it? Anyone know if I need to remove the entire dash, just the kneepad? advice anyone???
I got the hole saw!!!!
Unplug the battery, and i'd just drill through the material
I'll be there ~ 4:20pm, if that's cool with you.
If you want it where the lighter is, maybe just move the new hole off center enough to miss the lighter hole with the pilot bit, but still engulf it?
We'll figure something out.
Note edit on time change, Bri. I have to run to the folks house and deliver a tailgate for Pops truck.
You might consider mounting under dash, no holes, no worries. This place has brackets.
http://egauges.com/vdo_agrp.asp?SName=Mounting_Brackets
wait a sec, cant you find one of those cone shaped bits to drill holes with? They step from a very small size to a very LARGE size, and drill concentric with the cig lighter hole. Dunno if thats what you want, but seems like you'd want it centered with something.
if drilling off center doesn't allow a descent guide hole location, take some scrap sheet metal and a couple of self taping screws and fill in the lighter hole then drill. place the screws just outside of the lighter hole. also i would cut the vinyl as a hole saw will pull the living sheet out of it.
How big of a hole are you talking about? Electricial knockout punch will give the best hole. Far better than you would get by using a hole saw and you don't need to worry about a backing plate. I have some larger ones I can loan. I also agree about cutting the vinyl first.
Just a reminder. There is the vinyl. This is adhered to a thin sheet metal strip. The dash is behind this. Where the switches are located, there is a raised section. This means that the strip of sheet metal with the vinyl contacts the dash at these points. There is some foam adhesive strips elsewhere. I would remove it all to make sure you get the best installation. That is a lot more work but less guessing.
Mark,
A Greenlee should punch thru all of it in one shot, no? Maybe not the vinyl, but all else?
I removed the kneepad, and cross cut the vinyl (will be replaced anyway) in short order. cut a small piece of sheetmetal and used two sheet metal screws for a guide on the hole saw (couldn't cut butter). So I used a drill bit went around the edge until it looked like an old dial phone. Cut the tabs and now I'm grinding it smooth with a dremel.... a little more work, but I think it will be the cleanest this way with the limited tools I have for a project like this... Thanks for the feedback all Pics later..
You all have dashes?
20-30 minutes of grinding the edges to round them out and smooth them out, and presto.... Vinyl is gone.. I was afraid it would happen, and it did.... No biggie, easy enough to replace, and not to expensive... trying to clean up the wires, but will wait and finish that part up tomorrow....
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