Another one bites the dust!

Ty 1885

Ty 1885

Member
Well, I found metal shavings in the oil filter. It is making noise in the upper engine upon accel, sounds like a piston.

Oh well, i guess i can upgrate to a custom cam, and very heavy duty pistons.


SO anyone want to trade ??? 99-2002 TA 6speed, Vette, 911, ???
 
bezerk

bezerk

New member
Re: Another one bites the dust!

how about a lifter collapsed? and your rocker has to do something with it?
 
MRKING

MRKING

New Parts for Old Trucks
Re: Another one bites the dust!

Id assume a bad or incomplete tune caused this meltdown ? You get detonation way before you can hear it while driving , how much boost were you running when this happened ?
 
Ty 1885

Ty 1885

Member
Re: Another one bites the dust!

Hey guys, wb was never leaner than 12.5, timming was 17 deg max at 19psi, never detonated (always logged) knock sensor works good (checked it with the ignition on, engine off, tapped on the head)

bezerk could be right, It does not smoke, or has a miss. After oil change, i heared that lifter again for few seconds.
Oil psi is normal ( 70psi cold, 40psi hot idle )
 
Ty 1885

Ty 1885

Member
Re: Another one bites the dust!

WyoSyclone said:
What color of shavings?
Click to expand...

The shavings are shinning crome, i guess, very small.
I turned the oil filter upside down, some oil came out the center looking like gray very fine metalic color. Looked like olddays cam lube.
 
cloneman315

cloneman315

Active member
Re: Another one bites the dust!

Just some advice...I would not run that lean on 93 only my opinion.I dont even go that lean on 116!
 
Ty 1885

Ty 1885

Member
Re: Another one bites the dust!

Well found out that two center main bearings are spun! The other main bearings look bad but not spun. Rod bearings look fine. The crank looks toast.

Looks to me that the machining, line bore was done badly.
 
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