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Generation III Internal Engine 1997-2006 LS1 | LS6
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rebuild 4.8 to 5.3

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Old 10-11-2017, 07:56 AM
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Default rebuild 4.8 to 5.3
I have an LQ4 that I would like to build to a 5.3. I want a high torque truck motor, not a race motor.

What is possible?
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Old 10-11-2017, 08:09 AM
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Lq4 is a 6.0...
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Old 10-11-2017, 08:11 AM
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D'Oh!

I meant "LR4"
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Old 10-11-2017, 10:06 AM
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Change the crank and rods to 5.3 and re-use the 4.8 pistons. WS6 cam or Howards ASA and go pull something. if you have 862 heads ,open the intake valves to 2.0. and use LS6 valves and springs..
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