I HAVE A KNOCK

468malibu

Frequent Racer
Sep 13, 2003
425
0
0
Binghamton NY
Possibly a rod knock, they come and go with RPMs. Low end knock is usually lower sounding thump. Can't be torque convertor bolts...Could be symptoms listed above....
 

LS6 Tommy

MalibuRacing Junkie
May 15, 2004
15,847
1
38
North Jersey
t5montecarlo said:
The video sounds like valve train noise, not bearing noise. The first thing I would check is the rocker arm lash.


X2. Not a knock. Maybe a a wiped cam...

Tommy
 

LIVE4RDO

Frequent Racer
Thread starter
Jul 21, 2010
678
0
0
Staten Island, NY
Pulling the engine on Monday. Will take it apart and see what the issue is.
 

1981Regal

Dragway Regular
Mar 10, 2008
1,274
0
0
Cincinnati, Ohio
Would be really nice to see its just a worn cam lobe or something. I hope its something simple to fix.
 

LIVE4RDO

Frequent Racer
Thread starter
Jul 21, 2010
678
0
0
Staten Island, NY
Well, the engine is out and partially apart. The verdict: GARBAGE. All cheap parts. 2 bolt main, shitty pistons with some kind of welds on them to make them stronger :-s (pictures at a later date). Bearings have copper marks on them and the crank is has ridges and grooves in it.

Sorry about low quality photos, more are coming soon

photo2-4.jpg


photo1-4.jpg
 

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