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shaving head for more compression

672 Views 2 Replies 3 Participants Last post by  boostaholic
A mechanic friend of mine recommended that I shave 15/1000 off my head to increase my compression to make it around 10:1 or 11:1. Since ours is so low, I don't think that's a half bad idea. Anyone done this or have any thoughts on it?
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if you plan on doing any sort of FI on your car then thats not a good idea since it will raise your compression and make you spend extra money on lowering if you plan on turboing your car , if you never do it might get you some extra power but i don't know if it will be worth the money
rule of thumb for every 0.1:1 compression increase will net 1% increase in hp. but rasing to 11:1.. i don't think it such a great idea.
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