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LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

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Old 05-31-2018, 08:05 PM   #1  
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Hi,new to site,can you help me out?

Hi found two of these in my 96 lt1 oil pan and have no idea what they are or where they came from,any ideas?
Cylindrical,steel,look like roller bearings but from what?
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Old 05-31-2018, 10:57 PM   #2  
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Re: Hi,new to site,can you help me out?

are those pieces of push rod?
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Old 06-01-2018, 08:07 AM   #3  
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Re: Hi,new to site,can you help me out?

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are those pieces of push rod?
That's what I was gonna say too.
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Old 06-01-2018, 10:45 AM   #4  
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Re: Hi,new to site,can you help me out?

can't tell in pic if those are hollow. If not, they are not pieces of PR

The relief pin in oil pump looks similar in size if it is solid. That is held in with a roll pin so quite unlikely that would come out...and there is only one of those in a oil pump
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Old 06-01-2018, 11:57 AM   #5  
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Re: Hi,new to site,can you help me out?

Shaft from a roller rocker tip roller?
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Old 06-01-2018, 06:10 PM   #6  
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Re: Hi,new to site,can you help me out?

It is solid,It's to small for push rods and those I checked when I did the valve seals. It doesn't have roller rockers, I'm gonna guess the oil pump pin. The other one is smaller than the one pictured. Thanks for all your input
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Old 06-03-2018, 05:46 PM   #7  
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Re: Hi,new to site,can you help me out?

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I'm gonna guess the oil pump pin. The other one is smaller than the one pictured.
yeah I said because it is similar in size....but I believe the oil pump needs to have lower 1/2 unbolted for the roll pin to come out to even allow the pin to come out and there is only 1 pin so don't see it as coming from oil pump


injuneers note on RR end roller pins would be way more likely but you say the 2 pins are different sizes..

If you are not original owner to the motor in the car...who knows WTF got dropped into or left inside motor before you got the car. Good you found it before something went bang or boom....unless that is how you found it.
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Old 06-07-2018, 04:06 PM   #8  
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Re: Hi,new to site,can you help me out?

The sort of look like Camshaft/OPTIdrive pins. Maybe during an OPTI switchbthey got dropped into the pan...
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Old 06-07-2018, 07:14 PM   #9  
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Re: Hi,new to site,can you help me out?

I have all the paper work on the car since 2001 and the opti spark has been changed three times already so I spose that's quite possible,thanks
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Old 06-07-2018, 09:28 PM   #10  
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Re: Hi,new to site,can you help me out?

I think those might be oil pump alignment pins. There is 2 of them and if the only bolt that holds down the oil pump is loose oil pump agitation could work those pins loose - I guess. I tried to pull one of those pins out with a small channel locks (to measure) but it wouldn't budge.

At first I thought those were oil pan alignment pins but I guess Chevy stopped using those before the GEN II motor.

I tried to attach a pic of my rear main cap with those pins. Hope it works.
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Hi,new to site,can you help me out?-img_20180607_175311.jpg  
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Old 06-08-2018, 11:30 AM   #11  
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Re: Hi,new to site,can you help me out?

It would take someone to pull the pin from cam (not easily done at all) and that pin won't just fall out into the motor (timing cover) for it to then migrate down into the pan.....and twice. If it did fall into the motor on opti removal it would make MAJOR noise getting ground up in the timing gear/chain immediately on startup

I see way better odds winning the lottery than that happening

If P.O. had intake off maybe whatever the small metal pin is fell into intake valley from careless P.O.
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Old 06-13-2018, 03:18 PM   #12  
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Re: Hi,new to site,can you help me out?

Hi my name is felix and i have a 94 camaro and its getting hot on me. I changed out the water pump, the thermostat out but it leaks out of the coolent reservoir
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Old 06-13-2018, 05:34 PM   #13  
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Re: Hi,new to site,can you help me out?

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Hi my name is felix and i have a 94 camaro and its getting hot on me. I changed out the water pump, the thermostat out but it leaks out of the coolent reservoir
You need to start your own new thread. You can’t hijack someone else’s thread on a totally unrelated subject.

The “new thread” button is top left, above the forum topic listing.
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Old 06-20-2018, 07:42 PM   #14  
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Re: Hi,new to site,can you help me out?

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It would take someone to pull the pin from cam (not easily done at all) and that pin won't just fall out into the motor (timing cover) for it to then migrate down into the pan.....and twice. If it did fall into the motor on opti removal it would make MAJOR noise getting ground up in the timing gear/chain immediately on startup

I see way better odds winning the lottery than that happening

If P.O. had intake off maybe whatever the small metal pin is fell into intake valley from careless P.O.
You’re probably right. I did have the pin come off with the OPTI with my aftermarket cam. It fell right down into the timing cover and into the pan like it was on a mission. Not likely to happen two times though...
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