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

84 "LS1" Engine Swap/Build

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Old Nov 29, 2009 | 05:01 PM
  #21  
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Old Nov 29, 2009 | 05:19 PM
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This looks like a cool project! Good deal in the parts too it sounds like. Keep the pictures coming.
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Old Nov 29, 2009 | 06:16 PM
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Originally Posted by 92ZR1WANNABE
Damn

Looking at the bottom end of that motor , it looks like it never had a oil change in its 52k miles.
I agree. When you get it running...change the oil. A bunch.

I wrote this thread a couple years ago;
http://forums.corvetteforum.com/c6-t...e-read-on.html
..about an 5.3 that hadn't had proper oil changes. WAY worse than yours, but similar apearance. Anyway, my thread was to show how TOUGH these motors are, and what they can tolerate.

-Tom
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Old Nov 29, 2009 | 07:47 PM
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Originally Posted by Tom400CFI
I agree. When you get it running...change the oil. A bunch.

I wrote this thread a couple years ago;
http://forums.corvetteforum.com/c6-t...e-read-on.html
..about an 5.3 that hadn't had proper oil changes. WAY worse than yours, but similar apearance. Anyway, my thread was to show how TOUGH these motors are, and what they can tolerate.

-Tom
Yeah ill say mine looks a little better than that

Thanks for all the compliments guys, and i should be moving along now with the swap. Hopefully i can just find the time
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Old Nov 29, 2009 | 11:56 PM
  #25  
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Originally Posted by eilax053
Yeah ill say mine looks a little better than that

Thanks for all the compliments guys, and i should be moving along now with the swap. Hopefully i can just find the time
WOW!

I just looked at that other thread and thats freaking crazy!
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Old Dec 21, 2009 | 10:54 AM
  #26  
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Got some more work done...

Windage tray and pick-up tube installed




Oil pan installed
[/URL]



Coolant Lines and knock sensors installed


Intake, Valve Covers, and coil packs installed


Engine Harness installed (for now)




I gotta figure out some things about the harness since there seems to be extra wires that I dont think I need. This week I am off from school so I should get a lot of progress done on the engine
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Old Dec 21, 2009 | 10:56 PM
  #27  
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Got some more work done...

Heres a look at the blizzard we got yesterday and yes thats the curb poking thro on the bottom :laughing:






Had to shovel a pathway to my car :laughing:




Heres some before shots




And the progress I got done today


I removed the air pump, alternator, power steering container, and the power steering pump (besides the one hose going to the rack, got to dark)
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Old Dec 22, 2009 | 08:12 PM
  #28  
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looking good I will be doing this soon I want to make a weekend warrior. Work out the kinks for me lol
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Old Dec 22, 2009 | 08:19 PM
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You'll love this convertion when it's finished. I'm finishing my 68 with a LS1/LS2 power plant. I plan on converting my 84 L83 to a LS3 next year. Cash is tight.
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Old Dec 22, 2009 | 11:26 PM
  #30  
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Hey! Looks Great!

Question: was the LS1 for the Vette a 5.3L? and what HP/Tq numbers are you looking for?

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Old Dec 23, 2009 | 06:40 PM
  #31  
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Originally Posted by dogfish246
Hey! Looks Great!

Question: was the LS1 for the Vette a 5.3L? and what HP/Tq numbers are you looking for?

Nope... the LS1 in the C5s were 5.7L and I am looking for around 310 Hp and 340 Torque (these are the numbers I found that I will make). It will be a big increase from the 200 Hp and 290 Torque. But I am not doing it for the power. I am doing it mostly to have a reliable Daily driver, but if the power is there than why not
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Old Dec 23, 2009 | 06:40 PM
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Removed the SMOG pump, A/C, distributor, radiator and shroud, crankshaft pulley, and hood.























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Old Dec 27, 2009 | 01:07 AM
  #33  
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more, more ,more
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Old Dec 27, 2009 | 08:28 PM
  #34  
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Originally Posted by pologreen1
more, more ,more
Yes sir



























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Old Dec 28, 2009 | 09:22 AM
  #35  
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awesome progress and awesome thread! i am really enjoying reading about the swap and seeing the pics! what are your plans for the old L83?
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Old Dec 28, 2009 | 09:48 AM
  #36  
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Originally Posted by mazdaverx7
awesome progress and awesome thread! i am really enjoying reading about the swap and seeing the pics! what are your plans for the old L83?
I am going to sell the Old crossfire...

Bid starts at $1.00
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Old Dec 30, 2009 | 02:22 AM
  #37  
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Originally Posted by mazdaverx7
awesome progress and awesome thread! i am really enjoying reading about the swap and seeing the pics! what are your plans for the old L83?
Seriously! Me too!

Awesome source of information! What're you going to do about the transmission?
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Old Dec 30, 2009 | 03:00 PM
  #38  
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Originally Posted by miscstudent
Seriously! Me too!

Awesome source of information! What're you going to do about the transmission?
I am working out the transmission stuff now. I am going to try to make the stock 4+3 work but as of now its not looking like it. I was given some bad info to lead me to believe that there would be very little problems to get it to work.
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Old Dec 30, 2009 | 03:12 PM
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Not to knock your engine swap ( I wish I could do what you're doing), but what was wrong with the L83? We have our share of members on this forum that have a wealth of knowledge about the engine maintainence and how to even make it faster.

If I were you, I'd keep it, clean it up and over the years restore it. Who knows, depending on how long you have this 84 you might want to drop the original engine back into it someday. Just an option. Good luck on this swap.
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Old Dec 30, 2009 | 03:22 PM
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Originally Posted by 1985 Corvette
Not to knock your engine swap ( I wish I could do what you're doing), but what was wrong with the L83? We have our share of members on this forum that have a wealth of knowledge about the engine maintainence and how to even make it faster.

If I were you, I'd keep it, clean it up and over the years restore it. Who knows, depending on how long you have this 84 you might want to drop the original engine back into it someday. Just an option. Good luck on this swap.
I completely agree with you. But for me this was the less expensive route. It will be more reliable and this engine is built for boost down the road. My stock engine has about 140xxx miles on it and its on its last leg. As for keeping the L83 u brought up the point that I am going back and forth with. IF i ever sell it I would like to put the crossfire back in but will it take away from the value of the car that much especially with the high mileage. I have seen C3 sell on barret jackson with the LSx motor in it and it still sold for alot of money.

A reason I want to sell it is because I would like money to maybe upgrade the tranny soon. I am just a high school kid and money is very tight for me now. I don't PLAN on ever getting rid of my car and keeping it forever
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