Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Which head will make the most power from a d16z6?

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Old Mar 9, 2009 | 08:55 AM
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98formulaLS1's Avatar
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Default Which head will make the most power from a d16z6?

Is there a better OEM head that will make more power on my z6? I don't want to replace the block if I dont need to, but I did hear that an a6 block and a z6 head will make more power.
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Old Mar 9, 2009 | 08:59 AM
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Default Re: Which head will make the most power from a d16z6?

That is because the A6 has a slightly shorter deck height. You could mill the Z6 head or block and get the same effect.
The Y8 head has a bit higher compression, and quench pads to help prevent detonation, but the Z6 is said to flow a bit better.
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Old Mar 9, 2009 | 09:03 AM
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Default Re: Which head will make the most power from a d16z6?

Stick with the Z6 if you can if it's not Vtec then just get a Vtec head. You don't wanna change heads and all that stuff for maybe a extra 1-2 hp gain and maybe 1-2 ft tq. The Z6 is the best to stay with unless you just get a completely different motor swap. What kind of car is this going into.
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Old Mar 9, 2009 | 09:32 AM
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Default Re: Which head will make the most power from a d16z6?

d15b head will give u the most power because it has the most agresive cam out of all the dseries
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Old Mar 9, 2009 | 09:35 AM
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Default Re: Which head will make the most power from a d16z6?

Originally Posted by 94civicdeleon
Stick with the Z6 if you can if it's not Vtec then just get a Vtec head. You don't wanna change heads and all that stuff for maybe a extra 1-2 hp gain and maybe 1-2 ft tq. The Z6 is the best to stay with unless you just get a completely different motor swap. What kind of car is this going into.
All d16Z6s are VTEC...
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Old Mar 9, 2009 | 10:04 AM
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94civicdeleon's Avatar
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Default Re: Which head will make the most power from a d16z6?

Ohh hahaha my fault wasn't thinking....
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