Join Date: Apr 2010
Location: Alexandria, Minnesota
Knifemaker Floorboard Mods!
Hey, I recently did the KM floorboard mod, thanks Knifemaker. But i had some issues i would like to discuss and see others who put on KM floorboards had the same issues.
So i drew up and copied KM's prints. Had my machine shop whip them out, then sent off to be black andodized. The look great.
I took off the old rubber on the pegs, and of course the holes are clearance holes. I ran a 1/4 tap thru them, and bolted them on. The rear ones went on fine, but the front ones didn't. As for tapping the holes, there wasn't enough there to get enough thread engagement, so they basically stripped out!!
Did anyone else have this issue???
So my options were these:
A. Drill the holes bigger and tap them for a 5/16, and then re-drill and countersink the boards to match.
This wouldn't be hard to do, but... the depth of the material would only get maybe 2-3 threads in, and wouldnt be very strong.
B. Put 1/4 locknuts on the bottom of the pegs to tighten and give plenty of support/strength. But the issue here was on the bottom of the pegs, the holes are counterbored for the original hex bolt/screw. Yes a 1/4 locknut would fit in the counterbore, but you can't get a wrench or socket on it to tighten it.
Luckily for me, i have great access to a machine shop. I took of the front pegs, and had my bud Terry who works on a mill, measure the counterbore holes, they were about 9/16" hole. I told him i wanted it bigger to fit this nut and socket in there, and he said no problem, and he opened up the counterbore to a 3/4 size. He did it on his lunchbreak of course, so i got it done for free, and took him all of 5 minutes to do. So I got the pegs back on, put the boards on and got them tightened with the nut and socket, problem solved!
C. Another option would be to have the nut tackwelded on, in place. If you don't have access to a mill to do option B, this would be a good option.
Anyway, i just wanted to provide some info on my experience and my mod of the KM boards. So far, i love riding with them, wish i would have done it sooner!!
I am thinking of having another set made from Diamond plate material, that would look badazz too.
Chime in with all your opinions and suggestions!!