5.3 chevy 2002-2004

woodman13 · 09-05-2007, 12:56 AM

I am building a 1971 station wagon, I want to put a 5.3 chevy out of a tahoe/truck. I want about a 400hp motor that is easily street driven. and occasionally track driven. does anyone have a good web site for 5.3 builds?

thanks,
woody

bradrhale · 09-05-2007, 05:32 AM

are you wanting to use a 5.3 because that what you have or for some other reason. i believe you are going to find that the 5.3 is going to eat your lunch cost wise vs a good solid 350 with EFI. what exactly are you wanting out of the 400hp?? fuel economy with ability of smoking people off of the line??

75K30 · 09-05-2007, 05:11 PM

The LS engine is a great engine, but why make it hard on yourself?
400 hp is obtainable, but can be a whole lot easier with more than 323 cubic inches.
If you do not have an engine already, why not find a 6.0L?
You can even buy an LS2 completely assembled crate engine fro GM performance parts. The LS2 makes 410 hp right out of the box!
Pretty sweet for the money.

09-05-2007, 12:56 AM	#1
woodman13 Junior Member Join Date: Jul 2006 Posts: 3	5.3 chevy 2002-2004 I am building a 1971 station wagon, I want to put a 5.3 chevy out of a tahoe/truck. I want about a 400hp motor that is easily street driven. and occasionally track driven. does anyone have a good web site for 5.3 builds? thanks, woody

09-05-2007, 05:11 PM	#3
75K30 Senior Member Join Date: Jul 2006 Posts: 3,312	The LS engine is a great engine, but why make it hard on yourself? 400 hp is obtainable, but can be a whole lot easier with more than 323 cubic inches. If you do not have an engine already, why not find a 6.0L? You can even buy an LS2 completely assembled crate engine fro GM performance parts. The LS2 makes 410 hp right out of the box! Pretty sweet for the money. Attached Thumbnails

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09-05-2007, 05:32 AM	#2
bradrhale Senior Moderator Join Date: Apr 2006 Location: Texas Posts: 9,558	are you wanting to use a 5.3 because that what you have or for some other reason. i believe you are going to find that the 5.3 is going to eat your lunch cost wise vs a good solid 350 with EFI. what exactly are you wanting out of the 400hp?? fuel economy with ability of smoking people off of the line??