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Turning a shortblock into a full longblock

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Old Feb 7, 2006 | 07:51 PM
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Default Turning a shortblock into a full longblock

Hey guys this is a newb question but what would it take to make a shortblock into a complete longblock? There was a link on here to texas racing (I think it was called) where they had stroker kit shortblock. I know I would need heads, intake, and cam as well as some other parts. What I would really need to know is how much would it cost for all the acessories, ecu ect.. I was thinkin if I bought one of the shortblock stroker kits and than bought this LS1 with a spun rod bearing for 500$ Or just got used LS1 heads and cam things would be pretty cheap but I have this feeling all the acessories are gonna add up and bite me in the ***.

Thanks
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Old Feb 7, 2006 | 07:59 PM
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I know you said longblock. You asking what it takes to make a shortblock a run-able engine?
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Old Feb 7, 2006 | 08:20 PM
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Originally Posted by HotWhipT/A
I know you said longblock. You asking what it takes to make a shortblock a run-able engine?
Yeah thats exactly what I'm asking. If someone could go into some detail on what parts are needed with some prices that would be AWSOME!

I was thinkin I might be able to buy a stroker shortblock and than go buy all the parts I need to make it a running engine used off of ebay and hopefully put together a larger displacement engine on a budget. Or buy an LS1 with a spun rod bearing or something for cheap and swap all the parts needed out of that engine onto the shortblock. So I would have a half new and half used engine.

Whats the consensus on this idea?
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Old Feb 7, 2006 | 09:50 PM
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If you can get a really cheap block, then a stroker kit might be worth it, but complete short blocks and long blocks (shortblocks with the heads, cam, etc added) are getting really reasonable. In fact you can see a few at Texas Speed, SLP, etc. There are variation sin what you get, such as oil pump, water pump, TB, intake, etc. I'm not sure if there is another way than doing research into the specs and costs of all the bolt-ons you want to add, becasue it's all about trade offs $$ vs. Power. There's a good sticky in the External Engine section about bolt-ons...
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Old Feb 7, 2006 | 10:01 PM
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Originally Posted by FUN LS1
If you can get a really cheap block, then a stroker kit might be worth it, but complete short blocks and long blocks (shortblocks with the heads, cam, etc added) are getting really reasonable. In fact you can see a few at Texas Speed, SLP, etc. There are variation sin what you get, such as oil pump, water pump, TB, intake, etc. I'm not sure if there is another way than doing research into the specs and costs of all the bolt-ons you want to add, becasue it's all about trade offs $$ vs. Power. There's a good sticky in the External Engine section about bolt-ons...
well their shortblock is 4k and their longblock is 7+k If I can find all the stock parts on a donor motor for 500-1000$ and swap all those parts to the shortblock myself thats a huge $ savings, and probably enough HP for me. That way if I have a little extra money laying around I can add a larger cam or aftermarket headers as I do the buildup and the engine is already out of the car. Also if its not enough HP I can always add performance heads, intake, TB..ect later on
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Old Feb 7, 2006 | 10:03 PM
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You will need heads, cam, head gaskets & bolts, oil pan & gasket, windage tray, front cover & gasket, front seal, rear cover & gasket, rear seal, oil pump, oil pickup tube & oring, crank sprocket, timing chain, cam gear, cam retainer plate, valley cover, knock sensors & harness, coolant crossover tubes & plugs, intake manifold, throttlebody, lifters, lifter trays & bolts, pushrods, rocker arms, valvecovers, pcv system, coil packs, fuel injectors & rails, wiring harness, crank position sensor, cam sensor, coolant temp sensor & plug, water pump, oil pressure sending unit, map sensor, starter, accessories, belts, brackets, crank pulley, and bolts for all the covers. Just going from memory so i may have forgotten something. I would definately try and find a pull out engine instead of searching for all the parts seperately.
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Old Feb 7, 2006 | 10:11 PM
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Originally Posted by P Mack
You will need heads, cam, head gaskets & bolts, oil pan & gasket, windage tray, front cover & gasket, front seal, rear cover & gasket, rear seal, oil pump, oil pickup tube & oring, crank sprocket, timing chain, cam gear, cam retainer plate, valley cover, knock sensors & harness, coolant crossover tubes & plugs, intake manifold, throttlebody, lifters, lifter trays & bolts, pushrods, rocker arms, valvecovers, pcv system, coil packs, fuel injectors & rails, wiring harness, crank position sensor, cam sensor, coolant temp sensor & plug, water pump, oil pressure sending unit, map sensor, starter, accessories, belts, brackets, crank pulley, and bolts for all the covers. Just going from memory so i may have forgotten something. I would definately try and find a pull out engine instead of searching for all the parts seperately.
So an engine with a spun rod bearing would be a good donor? I would also need the ECU

If I got this engine and put parts from it on the shortblock what else would I need?
I am guessing wiring harness and ECU some belts and lines and I'de be ok to go
http://cgi.ebay.com/ebaymotors/97-LS...10630011QQrdZ1
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Old Feb 7, 2006 | 11:05 PM
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That's what i forgot, the dipstick. That's weird that ad says 97 trans am, those didn't have ls1's. Wiring harness and ecu for sure, with a spun rod bearing you may need a new crankshaft though.
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Old Feb 7, 2006 | 11:07 PM
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Originally Posted by P Mack
That's what i forgot, the dipstick. That's weird that ad says 97 trans am, those didn't have ls1's. Wiring harness and ecu for sure, with a spun rod bearing you may need a new crankshaft though.
well in a stroker shortblock I'de be getting a brand new crank anyway.
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Old Feb 7, 2006 | 11:20 PM
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Oh yeah, this thread is about a new shortblock
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Old Feb 8, 2006 | 01:02 AM
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I saw this same post on torquecentral, so im assuming you're goingto swap it into a different car. In that case you'll be better off buying a complete pullout which of course includes a complete motor, transmission, harness, ecu, etc. It's better than buying a shortblock and trying to buy every little piece; you'll save a lot of time and headache and possibly a few hundred dollars.
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Old Feb 8, 2006 | 01:18 AM
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Originally Posted by rg42284
I saw this same post on torquecentral, so im assuming you're goingto swap it into a different car. In that case you'll be better off buying a complete pullout which of course includes a complete motor, transmission, harness, ecu, etc. It's better than buying a shortblock and trying to buy every little piece; you'll save a lot of time and headache and possibly a few hundred dollars.

cool thanks. I figured as much seeing how no one seems to do this
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