LS1TECH - Camaro and Firebird Forum Discussion - Seriously what are the flow differences between 5.3 and LS1's?

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JoSeY

Nov 6, 2002 02:11 AM

Seriously what are the flow differences between 5.3 and LS1's?

Are flow Identical and the 5.3's only "Advantage the lower cc combustion chamber to ingrease compression ratio?????? Please help before I spend maga bucks!!!!!!!!!!!!

TIA!!

ls1290

Nov 6, 2002 09:51 AM

Re: Seriously what are the flow differences between 5.3 and LS1's?

The 5.7L and 5.3L heads have the same intake and exhaust ports. The 5.3L heads have 62cc chambers while the 5.7L heads have 67cc chambers. Hope this helps <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

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