y8 head on z6 block...??

Technical Topics specific to the 4 dr. Sedan body - NOT where you post pics/build specs of your car.
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y8 head on z6 block...??

By Trav2036
- Fri Jun 08, 2012 6:55 pm #307721 i have read that u can put a y8 intake mani on a z6 head with a h22 tb.
but id much rather jus put a y8 head and mani and y8 tb on my z6.
which is the better route??
:?
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By fatcoupe
- Fri Jun 08, 2012 6:56 pm #307722 good question...but i thought the z6 TB and mani were better than the y8. :?
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By blk92hb
- Fri Jun 08, 2012 8:20 pm #307729 the y8 head on the z6 will rise compression, the y8 mani is better because it has a larger plenum. now the y8 tb is the same size of the z6, you could run a b16a, a gsr, or h22 they are all 3, 60 mm and the itr is 62mm. imo i wouldnt run any bigger then the itr throttle body on a na motor with little mods.

http://civic-eg.com/viewtopic.php?t=3340&postdays=0&postorder=asc&start=15
here is some help with the manifolds
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By Trav2036
- Fri Jun 08, 2012 10:33 pm #307740 so would i get better air flow by jus puttin on a y8 mani and keeping my z6 tb?
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By teal_dx
- Sat Jun 09, 2012 3:48 am #307764 The y8 is supposed to have better flow for mid range rpm while the z6 intake is said to be slightly better at high rpm. I have never seen a Dyno comparison but doubt the difference is enough to feel.
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