The Ford Barn

a-bone newby · 10-01-2014, 12:09 PM

can any body tell me if replacing rabbit rods with shelled rods is simple or is a lot of machining required thanks

Mikeinnj · 10-01-2014, 01:35 PM

The only machining is at the small end of the rods. You will need to have a shop hone the wrist pin bushings to fit the piston pins.

Bertha · 10-01-2014, 01:51 PM

Don't 'rabbits' hone themselves......sorry

Bob

CarlG · 10-01-2014, 01:59 PM

Hmmmmmm, The shelled rods I got from Berts required no machining of any kind. Just plug-n-play.

(I believe these are AER rods & inserts)

redmodelt · 10-01-2014, 10:44 PM

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Like any engine using insert type bearings the crank has to be for what ever size the bearings are. You wouldn't want to take an old out of round crank and just slap new insert type rods and bearings in. You will need to have it ground to the proper diameter taking into account the oil clearance of .0015. Unless you are adding an oil filter system, insert bearings are not the way to go. (mine and others op)
If the crank has been reground you still need to check it's size. I know one or two rebuilders that grind the crank as little as possible so the mains are the same as well as the rods then bore the rod and main bearings to the size needed. For ex, if the crank will clean up .005 under then that's what they do.

10-01-2014, 12:09 PM	#1
a-bone newby Senior Member Join Date: Jul 2014 Location: b.c. canada Posts: 153	on rods can any body tell me if replacing rabbit rods with shelled rods is simple or is a lot of machining required thanks

10-01-2014, 01:35 PM	#2
Mikeinnj Senior Member Join Date: May 2010 Location: Northern New Jersey Posts: 1,262	Re: on rods The only machining is at the small end of the rods. You will need to have a shop hone the wrist pin bushings to fit the piston pins. Last edited by Mikeinnj; 10-02-2014 at 10:01 AM. Reason: Sp.

10-01-2014, 01:51 PM	#3
Bertha Senior Member Join Date: Aug 2014 Location: Western NY Posts: 147	Re: on rods Don't 'rabbits' hone themselves......sorry Bob __________________ ..."they are only original once"

10-01-2014, 01:59 PM	#4
CarlG Senior Member Join Date: Nov 2010 Location: Anchorage, Alaska Posts: 9,115	Re: on rods Hmmmmmm, The shelled rods I got from Berts required no machining of any kind. Just plug-n-play. (I believe these are AER rods & inserts) __________________ Alaskan A's Antique Auto Mushers of Alaska Model A Ford Club of America Model A Restorers Club Antique Automobile Club of America Mullins Owner's Club Last edited by CarlG; 10-01-2014 at 03:17 PM.

10-01-2014, 10:44 PM	#5
redmodelt Senior Member Join Date: May 2010 Location: Portland OR Posts: 6,342	Re: on rods Sponsored Links (Register now to hide all advertisements) Like any engine using insert type bearings the crank has to be for what ever size the bearings are. You wouldn't want to take an old out of round crank and just slap new insert type rods and bearings in. You will need to have it ground to the proper diameter taking into account the oil clearance of .0015. Unless you are adding an oil filter system, insert bearings are not the way to go. (mine and others op) If the crank has been reground you still need to check it's size. I know one or two rebuilders that grind the crank as little as possible so the mains are the same as well as the rods then bore the rod and main bearings to the size needed. For ex, if the crank will clean up .005 under then that's what they do.