stage 3 6.0 heads fs
03-12-2006, 05:29 PM
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stage 3 6.0 heads fs 6.0 liter heads stage 3 cnc porting from Keith Craft motorsports 2.08 intake 1.60 exhaust all ferrea valves 918 springs and titanium retainers zero miles on these since they have been worked by keith craft stil in box they were shipped in. milled just to true surface did not have flowed keith said the should flow in the 320's $1500 OBO make offer no ls1 anymore so these need to go
03-15-2006, 03:15 PM
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Originally Posted by smeshey
6.0 liter heads stage 3 cnc porting from Keith Craft motorsports 2.08 intake 1.60 exhaust all ferrea valves 918 springs and titanium retainers zero miles on these since they have been worked by keith craft stil in box they were shipped in. milled just to true surface did not have flowed keith said the should flow in the 320's $1500 OBO make offer no ls1 anymore so these need to go
what were these going on? how much will they lower the compression ratio on a 5.3?
03-15-2006, 03:23 PM
#5
probably a full point....The stock LS1 head is like 66-67cc (just going off memory)...The 5.3 head is a 62cc head...If you put these on an LS1 it drops it to around 9.5:1cr respectively...So it would be a little more with the jump from the 5.3 head to these...