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Difference between the 5.3 and 5.7

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Old Jan 28, 2014 | 04:59 PM
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Default Difference between the 5.3 and 5.7

What is the difference between the engines as far as a swap? I have a 02 camaro I'm thinking of doing the swap and adding boost mostly because the ls1 in it is blown up and I'd like to do a boost build anyway so noes the time. What would be a good setup and what would I need to swap/ change around to make the 5.3 work before the boost?
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Old Jan 29, 2014 | 11:51 AM
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Lots of people throw boost on a stock 5.3 with great success. Head over to the FI section and you'll get more answers there in the stickies.
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Old Jan 29, 2014 | 12:00 PM
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Should be a pretty straight forward swap. Mounts right in place of the LS1.
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Old Jan 29, 2014 | 01:11 PM
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Besides drilling the bolt hole in the driver's side ear for the alternator bracket, it's a bolt in deal.
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Old Jan 30, 2014 | 05:45 PM
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Going to state the obvious but don't use the 5.3 MAF...it's different. You're going to have to bolt on the LS1 style intake unless you are going to run a hood scoop which also means LS1 style injectors. 5.3s have a different electrical plug in. Internally, the 5.3 has a smaller cam and a smaller bore. AND you're going to have to live with 88 more pounds on the front end if it's an iron 5.3.
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Old Feb 2, 2014 | 11:15 AM
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Thanks for your help
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