Last night I burned 6 quarts of synthetic oil and I did not realize it untill I got done driving home for about 30min. And now it knocks really hard when its on. I just wanted to get some input on where the oil could have gone and what kind of damage I could have done

 

well thats almost all your oil. You may have caused to much damage now, but did u put anymore oil in it? If not put it in and see if it still knocks.

 

Thats the first thing I did when I found out is put 4 qz in and it still knocked. Not sure what to do???

 

it sounds like you've hurt something, a bearing would be my guess. i don't think it's going to be getting any better. why did you burn 6 quarts of oil? i'd be wanting to figure that one out too before i drove it again.

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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM

 

If anyone has any idea where all my oil could have gone....because i don't have a clue. There was no oil under the car so it's not coming out of the pan or anything.

 

Out the exhaust ports, through the manifolds and out the exhaust.

Can we assume the engine smokes a little bit?

 

ya u could be leaking oil from your valve stems etc. check your plugs also see if there is any oil on them.

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- David
88' GTA 5.7L TPI MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT, Flowmaster 80 Series

 

If you burned 6 quarts of oil driving for 30 minutes, then the cloud behind you would have swallowed half the state you were in. That car would have been blowing the thickest blue smoke you ever saw. Seriously, you should have noticed oil burning at that rate, and in fact, I would think your plugs would have become so fouled it wouldn't even run.

I seriously doubt valve stem seals could contribute to that much oil consumption.

I'd say you either left the drain plug out, lost a main seal, or mis-installed the oil filter or installed the new filter over the old gasket, or perhaps forgot to add any oil the last time you changed it.

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1990 IROC 350
Mods: Too busy trying to make it run right to mod it.
Airfoil, Dynomax cat-back, MSD coil, 180 t-stat, Bald Eagle tires,
Hypertech fan switch, Accel 23# injectors, Holley module, ported plenum,
Ported Daytona Yellow stock base, Moroso valve covers, other stuff,
Streetdampr, Ruger P95DC, hot wife, new oil filter, !cats, !TBC, !AIR.
18.0 @ 85MPH since I'm one big-a$$ MF
"It's better to have and not need than to need and not have."