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Generation III Internal Engine 1997-2006 LS1 | LS6
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Building a 5.3

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Old Apr 1, 2009 | 01:23 PM
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Default Building a 5.3
Can u stroke a 5.3? What are the most mods u can do and it still being dependable?
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Old Apr 1, 2009 | 01:27 PM
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yea you can put a 4"stroker crank in it and bore it to ls1 spec and have a 383
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Old Apr 1, 2009 | 01:34 PM
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What else would I need to do?
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Old Apr 1, 2009 | 01:37 PM
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you'll have to get longer rods , replace crank and rod bearings, get the pistons , just order a 4" stroker kit for an ls1
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Old Apr 1, 2009 | 08:40 PM
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What would be the best head and cam combo? I want to go as big as i can.
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Old Apr 1, 2009 | 08:44 PM
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prc 2.5 heads
TR224 or TR227
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Old Apr 2, 2009 | 02:24 AM
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What would be the lift on either one of these?
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Old Apr 3, 2009 | 01:49 PM
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Originally Posted by StripedSS
What would be the lift on either one of these?
www.thunder-racing.com
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Old Apr 3, 2009 | 02:11 PM
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Why are you wasting your time with a 5.3? Just find an LS1 or 6.0 block and go from there. For what you are gonna pay in machine work, your money is better spent elsewhere.
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Old Apr 3, 2009 | 03:37 PM
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Originally Posted by Mike94ZLT1
Why are you wasting your time with a 5.3? Just find an LS1 or 6.0 block and go from there. For what you are gonna pay in machine work, your money is better spent elsewhere.
i agree
find a 6.0 and build that instead. youre throwing your money away by stroking a 5.3
just rebuild the 5.3 witha .060 overbore, some 241 or 243 heads and a mild cam.
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