The Ford Barn

RHD · 12-03-2012, 05:49 PM

What should the Perch bolt hole diameter be in the front axle, and what is the difference between that hole and the Perch bolt shaft diameter? Would it be .0005"?

Al 29Tudor · 12-03-2012, 06:30 PM

I don't think .0005 is necessary since the seat of the perch and the nut are both countersunk. They will locate the perch.

v bogart · 12-03-2012, 07:46 PM

Don't both countersunk parts locate off the wishbone not the axle?

Tom Wesenberg · 12-03-2012, 10:26 PM

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Quote:

Originally Posted by RHD

What should the Perch bolt hole diameter be in the front axle, and what is the difference between that hole and the Perch bolt shaft diameter? Would it be .0005"?

I've never seen the specs, but you might be close as so many lock in tight with a little rust. I always use antiseize on the perch shaft. I'm still soaking a 1928 front axle to try to save the parts. Not even the kingpin locking bolts will budge, and it doesn't look that rusty.

12-03-2012, 05:49 PM	#1
RHD Senior Member Join Date: Jan 2011 Location: New Zealand Posts: 670	Perch bolt hole diameter. What should the Perch bolt hole diameter be in the front axle, and what is the difference between that hole and the Perch bolt shaft diameter? Would it be .0005"? __________________ R.H.D. Author of Model 'A' Ford technical manuals. Supplier of good original RHD parts.

12-03-2012, 06:30 PM	#2
Al 29Tudor Senior Member Join Date: Jul 2012 Location: Venice, FL Posts: 648	Re: Perch bolt hole diameter. I don't think .0005 is necessary since the seat of the perch and the nut are both countersunk. They will locate the perch.

12-03-2012, 07:46 PM	#3
v bogart Member Join Date: Jul 2011 Location: Forksville PA. Posts: 44	Re: Perch bolt hole diameter. Don't both countersunk parts locate off the wishbone not the axle?