First build - Milling 799 heads question, please help
06-28-2017, 04:04 PM
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First build - Milling 799 heads question, please help I searched and searched only to get more confused. So pleas help lol So to the point. Building a LQ4, bored .030 over using wiseco flat top pistons -3.2 cc. I'll be using 799 heads with a stock ls3/l92 head gasket. Using a BTR Stage 4 cam (235/242 .621"/.592" 111+3). I want to mill the heads to bump compression. How much do I mill that's safe?
06-28-2017, 05:04 PM
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Thank you very much KCS. I figured .030" would be good but wasn't for sure. That should put my compression ratio around 11.0:1 based off some research?
06-29-2017, 09:45 AM
#4
Bore: 4.030"
Stroke: 3.622"
Head Gasket: 4.10" x .051"
Valve Reliefs: 3.2cc
Deck: -.010"
Chamber: 59cc
...I get 11.6:1 for compression ratio.
http://www.wallaceracing.com/cr_test2.php