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4.8 heads on 5.7 ls1

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Old 05-17-2014, 06:11 AM
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Default 4.8 heads on 5.7 ls1

Hey guys . I have been toying around with the idea of throwing on a set of 4.8 heads I can get for 50 bucks. I had a old magazine where a guy threw on a set and cam and intake blah blah.. Got 500 HP. This was back in 2002. I did a search and there does not seem to be a lot on this. Any reason not to.?
Old 05-17-2014, 08:11 AM
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There wont be any power difference then the heads you already have on there now.
Old 05-17-2014, 08:16 AM
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Really? I was under the impression that with smaller combustion chambers it would increase the compression.
Old 05-17-2014, 08:30 AM
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The amount of power you might gain from an increase in compression isn't even worth the time of the swap...imo anyway. Get them worked then throw them on.
Old 05-17-2014, 08:34 AM
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Yeah. I was gonna port and what not and get a cam to match and ls6 intake
Old 05-17-2014, 08:35 AM
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Originally Posted by coopdc78
Yeah. I was gonna port and what not and get a cam to match and ls6 intake
Now your talking!



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