LS1 dropout.....shipped leaking oil out of throttle body? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 01-05-2008, 04:41 PM
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LS1 dropout.....shipped leaking oil out of throttle body?

We got the LS1 unloaded. Looks ok. I can tell it was a northern car. A lot of pitting. We'll worry about that later. Did some general measuring. I may be wrong.....but it looks like it will fit without changing A/C or alternator locations. Should be a nice fit.

My question is.....when it got here...there was a puddle of oil inside the face of the throttle body.....should I assume the car was a roll over? Mileage was documented at 83000. I hope I didnt get a pile of junk. I doubt I did. I'm just hoping it was a roll over. Isnt there something I'm suppose to do to relieve oil from ????? before starting it...if it was a roll over? That'll be a while down the road but still I'm curious.

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Dave

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Old 01-05-2008, 07:15 PM
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If it was upside down there could be oil on top of the pistons, wouldn't hurt to remove the plugs and check before firing.
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Old 01-05-2008, 09:04 PM
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Quote:
Originally Posted by 1ownerT
If it was upside down there could be oil on top of the pistons, wouldn't hurt to remove the plugs and check before firing.
The only reason I asked, is because I ran across this note from a place selling drop-outs on ebay so I was nervous. I really didnt feel it warranted me worrying. Advertising gimick?

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We thoroughly inspect the motor and trans and then back it with a 6 month warranty minus shipping. We do a compression test on each cylinder. A LS1 engine from a roll over vehicle will run "perfect", but if someone tried to start it before the engines top half was properly drained, then there is probably damage. If the oil was not drained, the extra oil in the upper half will cause friction and the push rod most likely will crack in the engine. The motor will still run great, but it will have a dead cylinder. A compression test will show if any of the cylinders have damage.
Dave
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Old 01-06-2008, 05:54 AM
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Dont the newer vehicles have a rollover fuel shutoff?
Shane
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Old 01-06-2008, 07:01 AM
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Quote:
Originally Posted by Stovebolter
The only reason I asked, is because I ran across this note from a place selling drop-outs on ebay so I was nervous. I really didnt feel it warranted me worrying. Advertising gimick?



Dave
Their disclaimer really does not make sense. If there is oil in the top half of the engine, like on top of the pistons, it could still be there. On first cranking the oil will not compress and it will bend a connecting rod. Any oil in the lifter valley will return to the pan when the engine is righted. If there is oil in the intake (it could get there from oil getting past the rings when upside down and a intake valve being open) it should be removed and cleaned also.
If they do a compression test on each cylinder, they would know if oil was present, and should tag that engine as such.
I don't follow the friction and push rod comments.
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Old 01-06-2008, 07:40 AM
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Quote:
Originally Posted by 1ownerT
Their disclaimer really does not make sense. If there is oil in the top half of the engine, like on top of the pistons, it could still be there. On first cranking the oil will not compress and it will bend a connecting rod. Any oil in the lifter valley will return to the pan when the engine is righted. If there is oil in the intake (it could get there from oil getting past the rings when upside down and a intake valve being open) it should be removed and cleaned also.
If they do a compression test on each cylinder, they would know if oil was present, and should tag that engine as such.
I don't follow the friction and push rod comments.
I agree....it just didn't make sense and I wanted to get another opinion. Thanks! Thats why I didn't buy from them....although I can appreciate they're effort to appeal to someone in the market for a used engine. Compression tests are great.....but I'd be more comfortable with that same set up on an engine analyzer (although I know a salvage yard is going to do that) so in reality....its anyone's guess if the motor is okay. I believe in the saying....you get what you pay for. I bought mine with the understanding that I may have to do some REAL work on the motor. I just hope I don't. Maybe a responsible middle age man like myself (LOL's) owned the vehicle and never buried the accelerator pedal, did the maintenance at proper intervals, and never drove it in harsh conditions. Not likely. LOL's.

Dave
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Old 01-06-2008, 07:52 AM
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Quote:
Originally Posted by Chevrolet4x4s
Dont the newer vehicles have a rollover fuel shutoff?
Shane
Honestly...I dont know about the F-bodies. I havent dug that deep but I would assume they do. Most any other car does. Which leads me into another funny discussion. Several years ago I was heavy into buying wrecks (light roll-overs and such) and rebuilding them for myself. I would visit the local salvage yard and ran across a 87 Jaguar Soveirgn Series that I just couldnt take my eyes off of. They have a rollover switch that has to be reset and the salvage yard couldnt figure out why the thing wouldnt start. I couldve bought the thing for next to nothing....but backed out when I visited a local shop that dealt with the foriegn cars. I noticed that there were an aweful lot of those cars sitting around his shop. When I asked (I knew him fairly well), he said that they spend half thier life in the shop. Enough said....I changed my mind. Anyway....I helped the salvage yard....located the reset.....made them a couple thousand extra when I started it and took it for a spin. LOL's. Ive had good luck with the salvage vehicles but I wasnt in the business to sell them....just bought them for myself. The list includes: 87 Grand National, 92 K2500 Suburban, and a 96? Chrysler Sebring. I will say....once they get a salvage title theyre hard to sell once youve got your use out of them but I got good use out of all of them.

Dave
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Old 01-06-2008, 09:43 AM
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I'd take the plugs out and crank it over just to make sure it isn't hydro locked. I put a rod thru the block of a rollover Ranger pickup I was going to rebuild, made the foolish mistake of firing it before checking. It fired and came up against an oilfilled cyl., and stalled. I pulled the plugs, cranked it, put 'em back in, and it blew pulling it into the shop. I was (and still am) friends with the owners of the salvage yard it came from, that was an expensive lesson for both of us. They now routinely do this on ALL engines, whether selling a vehicle as a builder, or engine assemblies.

Brian
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Old 01-06-2008, 11:34 AM
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Quote:
Originally Posted by flynbrian48
I'd take the plugs out and crank it over just to make sure it isn't hydro locked. I put a rod thru the block of a rollover Ranger pickup I was going to rebuild, made the foolish mistake of firing it before checking. It fired and came up against an oilfilled cyl., and stalled. I pulled the plugs, cranked it, put 'em back in, and it blew pulling it into the shop. I was (and still am) friends with the owners of the salvage yard it came from, that was an expensive lesson for both of us. They now routinely do this on ALL engines, whether selling a vehicle as a builder, or engine assemblies.

Brian
Thank you Brian. I will do that. It cant hurt.

Dave
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