Front bumper arm installation
 

Just tried to mount a new set of front bumper arms for my 28 Coupe. After installation, I discovered that the right arm is not only about 2 1/2" bent too far out but, the front holes are too small for the front clamps. I have measured the bend of the arm with regard to my frame, the bumper and the other arm many times and come up with the same result. I measured my old clamp bolt diameters and they appear to be 9/16". The holes on the new arms appear to be 1/2". Can someone verify or deny that my old clamps or too big or the arm holes are too small on the new arms? Is there a variance between years as far as clamp bolt/arm hole sizes? :confused: SALTMAN

PS: 'Every time' .. I try to install a new part on my Model A, its like trying to stick a large square peg into a much smaller round hole... nothing ever seems to work...!:mad:

Re: Front bumper arm installation
 

No offense, but is it on right?? And not reversed??
Paul in CT

Re: Front bumper arm installation
 

you are correct they are 9/16" and if you drill it out go one drill size over.

Re: Front bumper arm installation
 

are these bumper arms repro new or new to you origionals?

yea they should curve upward a tad

Re: Front bumper arm installation
 

I'm not sure what the alloy is, but they don't like to be bent, even with heat, which probably isn't a good idea. I ended up finding some good originals, and stopped wasting my time getting them to "match".

Re: Front bumper arm installation
 

Could it possibly you have a 30/31 arm on one side, they curve more to match the arched contour of the later bumper.

Re: Front bumper arm installation
 

Check to see if the front frame horns are bent, twisted etc. This will cause the arms to be at a strange angle.