changing rod bolts
Melting Slicks
Joined: Jul 2005
Posts: 2,572
Likes: 3
From: Rehoboth MA . . . NRA Life Member
St. Jude Donor '06-'07
Don't you have to replace the rod bearings too? I always thought that once the bearing is compressed when torqued and then released, loosened, it had to be replaced..
Racer
Joined: Jan 2003
Posts: 405
Likes: 0
From: Coconut Creek FL
Originally Posted by see5
Yes, doing one at a time. Just got to drop cradle a bit to get pan out.
see5,
If I unbolt the motor mounts and lift the motor, then unbolt the cradle, can I lower it enough to remove the pan and swap the bolts? Or, does the entire cradle / front suspension need to come completely out?
Safety Car
Joined: Sep 2003
Posts: 3,558
Likes: 2
From: Cape Coral FL
Originally Posted by FRC Rob
see5,
If I unbolt the motor mounts and lift the motor, then unbolt the cradle, can I lower it enough to remove the pan and swap the bolts? Or, does the entire cradle / front suspension need to come completely out?
If I unbolt the motor mounts and lift the motor, then unbolt the cradle, can I lower it enough to remove the pan and swap the bolts? Or, does the entire cradle / front suspension need to come completely out?
Safety Car
Joined: Jan 2001
Posts: 3,879
Likes: 3
From: Hobart, WI
If you support the engine under the crank pulley, remove bottom engine mount nuts you can mark and remove the front LCAs from cradle.Then remove 4 cradle bolts and drop cradle ~6". You can get the pan down and out.
Edit:
And there is the spring issue. I have a relatively flat VBP spring so it slides right out but the stock spring will fight you.
Edit:
And there is the spring issue. I have a relatively flat VBP spring so it slides right out but the stock spring will fight you.
Last edited by see5; Jul 26, 2006 at 03:34 PM.
Race Director
Joined: Mar 2005
Posts: 10,078
Likes: 17
Originally Posted by BobbyG
Don't you have to replace the rod bearings too? I always thought that once the bearing is compressed when torqued and then released, loosened, it had to be replaced..
where would you have gotten that impression from? I think babbit bearings can be reused indefinitely as long as they are in good shape.
Le Mans Master
Joined: Oct 2001
Posts: 5,577
Likes: 3
From: Southern Maryland Maryland
Originally Posted by 2000BSME
"once the bearing is compressed when torqued and then released, loosened, it had to be replaced"
where would you have gotten that impression from? I think babbit bearings can be reused indefinitely as long as they are in good shape.
where would you have gotten that impression from? I think babbit bearings can be reused indefinitely as long as they are in good shape.
Phil
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Race Director
Joined: Mar 2005
Posts: 10,078
Likes: 17
Originally Posted by Phil97SVT
The problem is when you add bolts that have higher tensile strength they tend to distort the cap, you should have the rods honed but you can just swap them out.
Phil
Phil
Le Mans Master
Joined: Aug 2000
Posts: 5,294
Likes: 2
From: Suffolk, Long Island NY
Originally Posted by patton
oh i just have to ask. why are you changing the rod bolts
Race Director
Joined: Mar 2005
Posts: 10,078
Likes: 17
Originally Posted by Face
They're the weak link in the bottom end. 97-00's are weaker than 01+. I only take my 98 to 6600, but I believe the later years can be taken to 6900 safely if you have the supporting mods(springs, pushrods).
Pro
Joined: Nov 2004
Posts: 601
Likes: 1
From: Wa
Originally Posted by Phil97SVT
The problem is when you add bolts that have higher tensile strength they tend to distort the cap, you should have the rods honed but you can just swap them out.
Phil
Phil
