|
|
08-24-2021, 07:37 AM
|
#21 |
|
Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
Posts: 10,637
Likes: 1,929
Liked 10,699 Times in 2,228 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
The caps have dowels and the mating surface looks perfect. The upper shell is always not as tight as the cap shell in its bore.
Is there a certain finish that the bore needs to “hold” the bearings? |
|
|
|
08-24-2021, 08:18 AM
|
#22 |
|
VIP Member
Join Date: Jun 2007
Location: Northern New Jersey suburbs
Posts: 2,314
Likes: 25
Liked 544 Times in 213 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
I've been reading this thread and wondered why no one mentioned detonation as being a possible issue.
It can show up in rod bearings.... Usually the shells just fall out....and might have some odd looking wear marks....
__________________
Rich Biebel S/C 1479 Stock 147R |
|
|
|
| Liked |
|
08-24-2021, 11:21 AM
|
#23 | |
|
Senior Member
Join Date: Sep 2006
Location: Fulton County, PA
Posts: 614
Likes: 16
Liked 920 Times in 259 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
Quote:
Fly poop on spark plugs? Fuel change? Verify timing and TDC marks? Try another known good timing light? Just reaching here. |
|
|
|
|
|
08-24-2021, 11:29 AM
|
#24 | |
|
VIP Member
Join Date: Oct 2002
Location: On a hilltop in Pa.
Posts: 4,493
Likes: 3,595
Liked 7,721 Times in 1,738 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
Quote:
__________________
Billy Nees 1188 STK, SS I'm not spending 100K to win 2K |
|
|
|
|
|
08-24-2021, 12:32 PM
|
#25 |
|
Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
Posts: 10,637
Likes: 1,929
Liked 10,699 Times in 2,228 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
First noticed it when we started getting close to the 590 hp number. Damper is on TDC, fuel seems to make no difference c11, c12, c10, renegade 116. cam changed made no difference.
|
|
|
|
|
08-24-2021, 02:00 PM
|
#26 |
|
VIP Member
Join Date: Jun 2007
Location: Northern New Jersey suburbs
Posts: 2,314
Likes: 25
Liked 544 Times in 213 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
If the engine is apart and obviously it is....
Look at the ring lands and the tops of the pistons for any oddball signs that usually indicate detonation. Pecker tracks on pistons, or on the sides of the pistons above the rings. Ring lands beat up.... If all is clean then you can rule it out.... It's not likely but I thought I'd throw it out there.
__________________
Rich Biebel S/C 1479 Stock 147R |
|
|
|
|
08-24-2021, 02:08 PM
|
#27 |
|
VIP Member
Join Date: Nov 2001
Location: The Lowcountry.
Posts: 2,972
Likes: 2,585
Liked 2,722 Times in 959 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
Just thinking out of the box, how old is the Harmonic Balancer?
|
|
|
|
|
08-24-2021, 08:05 PM
|
#28 |
|
Live Reporter
Join Date: Oct 2004
Location: Hickory, Ky
Posts: 10,637
Likes: 1,929
Liked 10,699 Times in 2,228 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
At least 6 to 8 years old. Last time it was down I had crank checked for balance it was ok
|
|
|
|
|
08-25-2021, 08:38 AM
|
#29 |
|
Member
Join Date: May 2017
Location: Webster, New York
Posts: 218
Likes: 472
Liked 208 Times in 89 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
What brand of balancer are you using?
__________________
Ray Bassett I/SA 1687, SS/DA 1687 "SuperPro is both", unknown |
|
|
|
|
08-25-2021, 09:46 AM
|
#30 |
|
Member
Join Date: Oct 2017
Location: Bay City Texas
Posts: 389
Likes: 2
Liked 225 Times in 136 Posts
|
Re: Micro Welding of bearing shell to rod housing bore
A good read on honing the big end of steel rods is in the SA Design Jenkins small block Chevy book I’d how he puts .002 shim stock the hens the rods round then removes it. The rod is now out of round but high rpm it stretch’s back round as I remember it’s when the rod does not have enough material at the parting line.
|
|
|
|
 |
| Thread Tools | |
| Display Modes | |
|
|
Linear Mode
