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Heads: ported 243's or stage 2.5 5.3 heads

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Old 01-06-2013, 01:17 AM
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If i were in the market for some heads with 243 or 5.3 I would go with the 243.. especially some stage 2 TEA for sure..

But, i will say, PRC 5.3 heads perform for a fun street car.. Pretty impressive when you have PRC 5.3 heads and a 228 cam pulling on a cobra.
Old 01-06-2013, 12:58 PM
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Originally Posted by reeperz28
By the way your 450 vette dyno there seems a little fishy with 444 tQ on 346cubes


Good point with the 228 cam no doubt the 5.3 heads love a bigger cam.
https://ls1tech.com/forums/dynamomet...0-results.html
https://ls1tech.com/forums/dynamomet...ph-inside.html
https://ls1tech.com/forums/dynamomet...0-results.html
https://ls1tech.com/forums/dynamomet...-pump-gas.html
But my opinion on the op's original question cant go wrong with ported 243's from t.e.a or AI or livernois.
I hear ya, there are quite a few dyno results that seem fishy...You cant go wrong with either head.



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