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Discussion Starter #1
I would like to know what the differance is between a ls1 and lt1.I can buy one that is running and has about 60,000 miles on it for a really nice price.
 

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[MTS] Who is this guy?
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The older (modern, fuel-injected) LT1 is a cool engine.

The only way I would consider one though is if you factor-in the cost of an aftermarket solution to the "Opti-Spark" ignition sensor.
 

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Premium Member
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Discussion Starter #5
Older version,came out of a 1994 corvette.I can pickup for $400.00.I have heard it run,sounds good although open headers.lol Should I get this for my truck or the ls1.
 

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Premium Member
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Discussion Starter #6
After a little reading,I might skip out on the lt1.I am not in a big hurry anyway.Thanks for your thoughts and help guys.
 

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US Army 19yrs and ......
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Everything in the world should be LSX swapped period!!!!!!!!!!!!!!!!!!!!!!
 

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most older LT1's were converted over to LT4's, there not bad engines.
just old style small blocks
 

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tinja nurtles
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If it was free I would understand you humoring using it. For $400 though you could do a 5.3 out of a truck and be in the same power range. Maybe even ahead.

For what is worth. You can modify a Lt1 to use lsx electronics. Which means you could use the same electronics you wouled use in a ls1 swap
 

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From what I've read, LT1/LT4 reverse flow cooling can be problematic.
 

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Dont let the Nation die
2005 GMC Canyon z71 SLE 4x4 3.5L
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Wheres the 20 years difference between the lt1/4 and the ls1? Both motors availble in the 90's.. 92-97-lt1 97 for the ls1...
 
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