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11-29-2012, 10:15 PM
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#1 |
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Registered User
Join Date: Mar 2012
Location: Xenia, IL
Posts: 11
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Turn 5.3 into 383?
I have an 03 Z71 with a 5.3 i also have an early vortec 5.7 block. My question is, could i build up a 383 short block out if the 5.7 block and swap it in place of the 5.3 block while leaving everything else the same?
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11-29-2012, 10:25 PM
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#2 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,948
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Re: Turn 5.3 into 383?
Nope. Nothing interchanges. The 5.3 is a much better engine and capable of making as much or more power than a 383 would. The ls bottom end is a lot more sturdy than the gen 1 stuff as well.
__________________
Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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11-29-2012, 10:42 PM
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#3 |
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Registered User
Join Date: Mar 2012
Location: Xenia, IL
Posts: 11
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Re: Turn 5.3 into 383?
Thanks for the info. Any sugestions on the best and reasonably priced things to do to the 5.3 to get the horse power?
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11-29-2012, 10:42 PM
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#4 |
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1965 Chevy C10, 2005 4.8L/4l60
 
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Re: Turn 5.3 into 383?
Besides all that, the emissions nazis will hang you from the highest money tree!
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Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684  support our troops! |
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11-29-2012, 10:43 PM
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#5 |
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1965 Chevy C10, 2005 4.8L/4l60
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Re: Turn 5.3 into 383?
Cam it, get a tune, bigger exhaust and give it air to breath!
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__________________
Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 support our troops! |
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11-29-2012, 10:48 PM
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#6 |
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The Engine Whisperer
Join Date: Sep 2006
Location: Ohio
Posts: 770
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Re: Turn 5.3 into 383?
__________________
-Automatics win races, 6-speeds impress high school kids -Save a tree, support your local dragstrip. -"Failure - The Secret To Success, the idea is that you can fail 100 times as long as you can succeed once" -Takeo Fukui columbuscarsandcoffee.net and on Facebook |
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11-29-2012, 11:04 PM
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#7 |
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Registered User
Join Date: Mar 2012
Location: Xenia, IL
Posts: 11
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Re: Turn 5.3 into 383?
Thanks
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