5.3, would decked and gasket ported ls1 heads have any gain?
08-06-2009, 10:23 PM
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5.3, would decked and gasket ported ls1 heads have any gain? I can get some gasket matched ls1 heads that have been milled.30 would there be any gain using those heads over the stock 5.3 heads or should I just port and polish the 5.3 heads I'm trying to plan out my build for my thirdgen. Thanks
