HEAD Opinion plz help needed
02-21-2010, 05:31 PM
#1
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HEAD Opinion plz help needed hi all 
i wanna install new heads to my A4 T/A were i want the highest compression ratio i can get cause i want my car to be DD and i just bought new fast 92mm with nick wiliam 92 mm and a wet NOS system with a 150 shots ,, when i installed the new fast to try it i didnt get a good resault cause i havent got enough compression and the flow wasnt that good i was told to get a 66cc 205 head atleast to get good power ,, so what do u suggest guys ?
appreciate any feedback
i wanna install new heads to my A4 T/A were i want the highest compression ratio i can get cause i want my car to be DD and i just bought new fast 92mm with nick wiliam 92 mm and a wet NOS system with a 150 shots ,, when i installed the new fast to try it i didnt get a good resault cause i havent got enough compression and the flow wasnt that good i was told to get a 66cc 205 head atleast to get good power ,, so what do u suggest guys ?
appreciate any feedback
02-21-2010, 08:07 PM
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Stock heads are 66cc combustion chambers. If you want higher compression ratio, you'll need smaller chambers like at least 64cc which should give you about 10.5:1 CR. A ported pair of 243 heads should do the trick. If you can afford it, Trick Flow CNC 215 or AFR 205 heads would be even better.
