C3 Vette Registry - The Best Resource on the Net for C3 Vettes! C3 Vette
Forums -> C3 Engines
Not Logged In! Login or Register!  Users Online: 18 / Help 
Features  Find C3 Parts on ebay in only 2 or 3 clicks!  | Add YOUR C3 to the Registry

Supporting Vendors
Bair's Corvettes
Mid America Motorworks
Volunteer Vette Products

C3 of the Month
None Current
Enter Yours Today!
Online C3 Show
C3s are Registered

Vanity Plates
Featured Links

Buy Now
Chevrolet Corvette Restoration Guide
Chevrolet Corvette Restoration Guide

Corvette 50th Anniversary
Corvette 50th Anniversary

Corvette Magazine - $19.99 for 8 issues
Corvette Magazine
Only $19.99 for 8 issues


| Hide Signatures and Profile Pics

 New Topic New Topic Post Reply Reply New Poll New Poll Search     Search Page [1]  
1/11/11 1:39am - Original Message: 'Should I worry about the pitted Rod Bearing Journal?'
Former Member
- Send Private Message

Bloomfield Hills, MI - USA

1975 Corvette coupe, 4 speed manual, 383 ci 9.5:1,Edelbrock dual plane Air Gap intake, Alum Heads,Comp Cam, roller Rockers, PS,PB,Tilt

Joined: 6/29/2008
Posts: 199
One other thing I observed in the tear down is that one of the rod bearings had noticeable pits per the photo below.
Should I be worried about this? The oild passage way hole is much larger than the pits and the pits have smooth edges. The crankshaft is a GM casting number 395159; which based on my research; this is a cast crank that was used in 1970-1980 400 cid SBC. It has the XL mains; 2 piece seal and is externally balanced.
Do I need to woory about this? If so, what recommendations do you have?
What are recommendations on bearings?
 Reply Reply  Quote Reply w/Quote
Support C3VR!
Suport our advertisers
1/11/11 6:12am - Reply: 'Should I worry about the pitted Rod Bearing Journal?'
Former Member
- Send Private Message

York, PA - USA

1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Looks like you are having some fun! The pitting is not a big worry since I assume you are going to have the crank cut...not a big cost at all..where did you find a 400? I haven't seen one of them laying around in some time..torque monster!


My first parade at Carlisle 2010
 Reply Reply  Quote Reply w/Quote
1/11/11 9:13am - Reply: 'Should I worry about the pitted Rod Bearing Journal?'
Adams' Apple Lifetime Member
Lifetime Member
- Send Private Message

Duncanville, TX - USA

#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19524
Crank definitely needs turned to get the pits out. You wouldn't wanna actually run that crank without having it turned, imho. The rod bearings having pits also would indicate that this engine may have been setting up for a while...
What are ya actually doing here? Building a new engine?

Joel Adams
C3VR Lifetime Member #56    
My Link

(click for Texas-sized view!)

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
 Reply Reply  Quote Reply w/Quote
 New Topic New Topic Post Reply Reply New Poll New Poll Search     Search Page [1]  
 Forums -> C3 Engines
(Moderator: Adam Wartell, Norsky, Adams' Apple)

Official C3 Vette Registry Community:
Home | Forums | Email | Who's Online | Clubs | Events | Member Stats

Other Official C3 Vette Registry Areas:
Members | Research | Shop | My Account | About C3VR

Corvette is a registered trademark of the General Motors Corporation(GM) & Chevrolet Motor Division. Vette Registries, LLC is responsible for all site content (except for member submitted content or where otherwise noted) and does not claim or imply that Chevrolet or GM is responsible for Official C3 Vette Registry content. Vette Registries, LLC is independent from GM and is not affiliated with, sponsored or supported by GM.  Copyright/trademark/sales mark infringements are not intended, or implied and are in fact used to support GM, Chevrolet and Corvette

Official C3 Vette Registry content is Copyright 2001-2018, Vette Registries, LLC. Content may not be reused without written consent. All Rights Reserved. NS

Corvette (Vette) Model Years on this site: 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 30