unsure about heads...
07-16-2003, 08:14 AM
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unsure about heads... the heads i put on are 862. they have the same ports as the 241 i took off. is this a regular 5.7 or a 5.3 head? i was told the 4.8 and 5.3 had these kinda heads... 
07-16-2003, 12:20 PM
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Re: unsure about heads... so that is why the combustion chambers looked so small.. so if that head had been milled .030" what would the approximate CR be on an otherwise stock engine?
