What are the differences in heads????
I have decided to do a mini-me and would like to know the difference in the d16y8 and d16z6 heads. Is one better than the other for this? What is the difference in hp or economy? After changing heads, do the injectors need to be changed to match head? Does the intake have to be changed as well? What are the advantages to doing both?
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RE: differences in heads??
No takers yet??
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RE: differences in heads??
Thanks for the help everybody!!!!!!!!!!!!!!!!
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RE: What are the differences in heads????
I don't think the intake manifold or plumbing needs to be changed but a Y8 manifold and aftermarket intake wouldn't hurt.
I don't know the exact difference between the Y8 and z6, I think they both put out around 126hp. Most people I think prefer the z6 though. |
RE: What are the differences in heads????
a z6 head flows a little better in the higher rpm range, while a y8 has slighly higher compression.
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RE: What are the differences in heads????
What would be better for a mini me head swap? Downfalls to both??
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RE: What are the differences in heads????
Taken from another post of mine:
The Z6 head has straight ports while the Y8s are curved, to give the fuel/air a swirl effect. While this gives the Y8 head better fuel atomization and a bump in low to midrange power, the Z6s top end is much better as the mixture can flow quicker (straight shot to the valves, as someone put it on sohchonda). |
RE: What are the differences in heads????
from what i've heard, y8 head is stronger. i don't know if its true.
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RE: What are the differences in heads????
ORIGINAL: Kedawei Taken from another post of mine: The Z6 head has straight ports while the Y8s are curved, to give the fuel/air a swirl effect. While this gives the Y8 head better fuel atomization and a bump in low to midrange power, the Z6s top end is much better as the mixture can flow quicker (straight shot to the valves, as someone put it on sohchonda). |
RE: What are the differences in heads????
ORIGINAL: finalimpact those are the only noticable differences in head flow charactoristics that have been notable between the 2. how ever the y8 combustion chamber design is less prone to detonation issues. the design also allows you to use less of a domed piston for better flame propogation. but either head is a good head and i would choose between the 2 wisley based on yoru goals and intentions in the future. |
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