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LS1 short block value?

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Old Feb 23, 2009 | 03:24 PM
  #1  
onebad82z's Avatar
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From: Orange County,NY
Car: 1982 Z28
Engine: 355
Transmission: T56
Axle/Gears: 12 Bolt
LS1 short block value?

Guys,

I can pick up an LS1 short block dirt cheap. I PM'd the seller about the motor and here is the info I am armed with...


"I found an old post where you stated you has an ls (1 or 6?) shortblock in your dads garage that was in a fire? Do you still have it and are willing to let it go for $100..i can pick it up. Stock bore, crank and rods correct?

John"

"I do still have it. For $100 picked up it's yours. Yes it's all stock, it's an LS6 block."

"Why was it pulled? Any major damage that would not be fixed in a basic ring and bearing rebuild?

John"

"My original motor in the GTO broke the timing chain so I bought this one off a guy that was going to a forged setup since he was planning to spray a big shot. His 04 GTO had like 2k miles or something realy low like that, I pad $1700 for the whole longblock setup and I was just going to drop it on my car. In the meantime I bought a magnacharger and a forged L92 stroker. The GTO engine sat in my father's garage until the garage burned. I pulled the heads and saw that a little water had gotten into the cylinders and rusted so it will need be bored or honed a little and it need to be cleaned - it is dirty from soot. It didn't get hot in the fire."

Is this worth the money? No plans for sure but maybe I will build it and put it in the camaro down the road. Or may look into another car to use it in (really want another T/A). If I were to get it I would like to just get it honed (hopefully that will clean the cylinders up) and reuse the stock rotating assembly. New rings, bearings, and rod bolts (I seem to find they are seriously weak in the LS1). Basic budget rebuild. Would I need to rebalance as all I am changing is the rod bolts?

I plan to go look at it before I commit to buying. Just wanted to get some others take on it for the money.
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Old Feb 23, 2009 | 03:45 PM
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From: St. Louis
Car: RS
Engine: LS1
Transmission: T56
Axle/Gears: 9" for the ladies
Re: LS1 short block value?

You don't bore an ls1 so unless a hone cleans it up. Your SOL
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Old Feb 23, 2009 | 05:44 PM
  #3  
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From: Guelph, Ontario
Car: 89 IROC/05 RX8
Engine: LS1/LS1
Transmission: T56/T56
Axle/Gears: 3.42 GM/3.55 8.8
Re: LS1 short block value?

Originally Posted by Aaron91RS
You don't bore an ls1 so unless a hone cleans it up. Your SOL
You do bore the .007" to 3.905.

I sold a rebuilt LS1 longblock for $700cad. Thats like $500us., this was 2 weeks ago
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Old Feb 23, 2009 | 08:12 PM
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: LS1 short block value?

i'd say they go for $900-1500 in good shape for a longblock, for $100 you really can't go wrong though IMO.
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Old Feb 23, 2009 | 08:28 PM
  #5  
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From: Guelph, Ontario
Car: 89 IROC/05 RX8
Engine: LS1/LS1
Transmission: T56/T56
Axle/Gears: 3.42 GM/3.55 8.8
Re: LS1 short block value?

Originally Posted by xpndbl3
i'd say they go for $900-1500 in good shape for a longblock, for $100 you really can't go wrong though IMO.
Dammit. Thats in US too! hahaha.

Oh well.
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Old Feb 24, 2009 | 07:25 AM
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From: St. Louis
Car: RS
Engine: LS1
Transmission: T56
Axle/Gears: 9" for the ladies
Re: LS1 short block value?

You know, it sounds like this guy knows a lot about LSx engines.
If they are worth so much then I'd ask myself why this guy is giving it away so cheap....unless he knows it's bad.
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Old Feb 24, 2009 | 12:57 PM
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onebad82z's Avatar
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From: Orange County,NY
Car: 1982 Z28
Engine: 355
Transmission: T56
Axle/Gears: 12 Bolt
Re: LS1 short block value?

Originally Posted by xpndbl3
i'd say they go for $900-1500 in good shape for a longblock, for $100 you really can't go wrong though IMO.
I pick it up friday night. He has agreed to let me take it to my machinist I work with on my motors and let him see if a small hone will clean it up so I can reuse stock pistons. If it will I pay for it, if not I am out a few bucks in gas money and I drop it back off. Can't see how I can go wrong.
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Old Feb 24, 2009 | 01:02 PM
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From: PA
Car: 86 Trans AM
Engine: LS1 (not stock...)
Transmission: Built T56
Axle/Gears: Strange 12-bolt w/ 3.73
Re: LS1 short block value?

Originally Posted by Aaron91RS
You know, it sounds like this guy knows a lot about LSx engines.
If they are worth so much then I'd ask myself why this guy is giving it away so cheap....unless he knows it's bad.
Probably because he has a different motor set up and this was just sitting around before the fire. And now its jsut a short block. There is plenty of expensive stuff that needs to go on top that sucker before it'll run. So he's probably just glad to see the sooty motor gone.

Im not sure if Ide jump on that... Not saying you shouldnt, just not sure that I would.

J.
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