Engine & Internal Chat about beefing up your Blazer's engine insides here.

V8 swap

  #1  
Old 01-08-2011, 01:04 PM
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Default V8 swap

I have a 2001 Blazer with the 4.3l. The engine has a knock, so I was considering an upgrade to a V8, maybe a 5.3l or 5.7l.

questions:
1. will a V8 fit without major modifications.
2. will the wiring match up or can I get a harness that will make everything work like original.
3. would I need the computer from the V8 donor vehicle.
4. would I need to upgrade tranny or transfer case.

any input will be greatly appreciated and useful.
Also, if there is already a thread about this, I appologize, but I couldn't find one, thanks.
 
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Old 01-08-2011, 01:19 PM
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  #3  
Old 02-13-2011, 02:49 PM
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I'm thinking the same. But i've checked all over JTR and can't find anything about 5.3s...
 
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Old 02-13-2011, 10:12 PM
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