C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Discontinued LT1 Engine?

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Old Dec 10, 2010 | 08:27 PM
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Default Discontinued LT1 Engine?

I called the local GM dealer to find out what it would cost for an engine overhaul on a 95' LT1 Corvette and was told that they don't do overhauls, but rather replace the whole engine. I wound up talking to parts for the price of the engine and was told that the engine is discontinued according to my VIN. If the engine is discontinued, and I can't get it overhauled, what are my options?
VIN is 1G1YY22P3S5104854
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Old Dec 10, 2010 | 08:48 PM
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Take it to a speed shop or somewhere else.
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Old Dec 10, 2010 | 08:49 PM
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Why would you go to the dealer?
Do some research, you can rebuild the engine easily. Must be 20-25 rebuild kits out there, plus all the companies selling rebuild or new engines in about any HP range you want.
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Old Dec 10, 2010 | 08:51 PM
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Originally Posted by albertlsmith
I called the local GM dealer to find out what it would cost for an engine overhaul on a 95' LT1 Corvette and was told that they don't do overhauls, but rather replace the whole engine. I wound up talking to parts for the price of the engine and was told that the engine is discontinued according to my VIN. If the engine is discontinued, and I can't get it overhauled, what are my options?
VIN is 1G1YY22P3S5104854
Overhaul the engine yourself if you have the abilities and skills to do so.

Or pay a compentant mechanic to overhaul it for you.

Or find a engine rebuilding/ engine machice shop to overhaul the LT-1 engine for you.

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Old Dec 10, 2010 | 09:08 PM
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Originally Posted by surfer93
Why would you go to the dealer?
plus all the companies selling rebuild or new engines

Even eBay
http://cgi.ebay.com/ebaymotors/93-94...item35ae4b27ab
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Old Dec 10, 2010 | 10:30 PM
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I decided to do my own build but Golen was my first choice.

Golen Engine Service
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Old Dec 11, 2010 | 06:34 PM
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The LT1 rotating assembly (rods, crank, pistons) is really no different than any other 87-up 1st gen SBC. So a rebuild should be easy, as long as the block is not damaged in any significant way.
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Old Dec 11, 2010 | 07:06 PM
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Most shops that I know of that work on cars don't rebuild engines, they have a machine shop that does that. They'll send the short block & heads to the shop to have the work done & reassembly the newly machined stuff.
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Old Dec 11, 2010 | 07:12 PM
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Do not get over your head!! If you are not confrontable in doing it yourself dont. Over and over on here are guys who got in way over thier heads and I am sure the cars are sitting months latter and costing them more then if they would have taken it else where. I am all for doing yourself but doing an engine is something not to be taken lightly. R/R times should be about the same no matter where you take it. labor cost is going to very. There are some major remanufactures out there check them out. you can supply an engine to just about any shop to have it installed. (can cause some problems but all easly overcome) or have yours rebuilt. just go to a place you trust and that has a good word.
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Old Dec 11, 2010 | 07:18 PM
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I'd make sure to find a good shop. For some reason it seems alot of rebuilds don't last as long as the engine from the factory. Or people have problems with them.

Same deal with an automatic transmission. It seems you are lucky if you get one rebuilt and not have problems with it.
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Old Dec 11, 2010 | 07:20 PM
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Originally Posted by ex-x-fire
Most shops that I know of that work on cars don't rebuild engines, they have a machine shop that does that. They'll send the short block & heads to the shop to have the work done & reassembly the newly machined stuff.
Our shop doesn't do in-house rebuilds or even send engines out for rebuilding. We use Jasper for all engine replacements. The big reason for a replacement is time (takes a day or two to get the engine delivered and another day to install) and a warranty.

Jasper currently offers a 3 year, 100,000 miles warranty that includes labor. There is no way that an auto repair shop or machine shop can really afford to offer long-term warranties. And the labor time for engine tear-down, machine work, and re-assembly would be expensive compared to just a swap of a complete engine.

For the OP, have you looked at the GM Performance Parts catalog? Chances are that there will be a number of versions of the LT1 motor available. If you just asked the dealer about a direct replacement, they would most likely not have looked in that book.
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Old Dec 11, 2010 | 07:28 PM
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You really cant beat Jaspers warranty deal on the rebuilt block. No matter what forum I look at the Jaspers are always the preferred drop ins. Being careful and marking everything and taking pics as well, just about anyone with limited skills can do it yourself. A cheapie engine hoist costs about $150 at Harbor Freight or get a chain hoist IF you have somewhere solid toi hang it from. The hoist is much better all around and you can sell it afterwards to get most of your money back. You can also rent one but that puts you under a time limit that you may not want.
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Old Dec 12, 2010 | 12:21 AM
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I was going to say jasper but did nt know if I would be breaking any rules. I have been to the japser plant a few times a long with a couple others. Jasper in my opinion is top noch. The one thing thats nice is not matter where you are at as long as it is their problem they cover it. it was installed in ohio and brake down in washington no problem. The running completes with acc you get everything right down to the hoses. just about everything you need for a complete install.
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Old Dec 12, 2010 | 10:06 AM
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Originally Posted by c4cruiser
For the OP, have you looked at the GM Performance Parts catalog? Chances are that there will be a number of versions of the LT1 motor available. If you just asked the dealer about a direct replacement, they would most likely not have looked in that book.
Sadly enough, GMPP doesn't offer an LTx replacement.
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Old Dec 12, 2010 | 01:52 PM
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Here is one:

http://www.jegs.com/p/Blueprint-Engi...23891/10002/-1
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Old Dec 12, 2010 | 02:12 PM
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Lt1 takes the same crank. rods, piston as 350 an machine shop can rebuild it
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Old Dec 12, 2010 | 07:01 PM
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Originally Posted by surfer93
Why would you go to the dealer?
Do some research, you can rebuild the engine easily. Must be 20-25 rebuild kits out there, plus all the companies selling rebuild or new engines in about any HP range you want.
I didn't really intend to take it to the dealer rather than purchase one from the dealer, if that was my only option.
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To Discontinued LT1 Engine?

Old Dec 12, 2010 | 07:03 PM
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Jasper sounds like a good option, but wouldn't it affect the value of the car instead of using a GM engine? I guess I need to do more homework. Thanks for the help guys!
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Old Dec 12, 2010 | 07:24 PM
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The Jasper engine would be a rebuilt GM, and don't hold your breath on the average C4 holding value over time.
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Old Dec 12, 2010 | 09:58 PM
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As cheap as 383's are to build anymore, I would put a stroker in it.
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