![]() |
#1 |
Join Date: Jul 2011
Location: Homestead, Fl
Posts: 248
|
![]()
I've had the short block sitting in my garage taking up space and was about to put it out by the bulk pick up. But before I did, I wanted to see what was causing that horrible knock. Took me a while with hand tools, but finally got the cradle off and surprising saw no obvious damage on the mains or in the cradle bearings. so, I started with the side I was pretty sure the damage was on...left front, and sure enough:
Turns out, #1 rod big end spun a bearing and mains have no obvious damage..in fact look perfect. I will post a picture in a little while, but I guess the block isn't going to the recycler now ![]() I haven't checked 3-8 yet but #2 on the same journal looked fine.. The bearing does look thin..and the engine had about 135k miles and probably run for a long time with a hard miss due to the injectors before I got it so maybe a contributing factor? ![]() ![]() .
__________________
Sam 1991 ZR-1 :salute: Last edited by Torchred96; 11-28-2015 at 11:42 PM. |
![]() |
![]() |
![]() |
#2 |
Join Date: Jul 2011
Location: Homestead, Fl
Posts: 248
|
![]()
Also, I imagine the crank is hurt on #1 as it looks like a lot of metal transfer to the journal from the bearing...but is that a repairable item or is it likely scrap?
__________________
Sam 1991 ZR-1 :salute: |
![]() |
![]() |
![]() |
#3 |
![]() Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,384
|
![]()
The crank may very well be fine, but would require qualified clean-up & inspection to be sure. LT5 cranks are nitrided steel & really tough. Because of the toughness, used crankshafts don't have much value or marketability. Definitely not trash though:-)
__________________
Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
![]() |
![]() |
![]() |
#4 |
Join Date: Jul 2011
Location: Homestead, Fl
Posts: 248
|
![]()
Thanks Jerry .I appreciate the feedback.
__________________
Sam 1991 ZR-1 :salute: |
![]() |
![]() |
![]() |
|
|