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a6 head or z6 head?

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Old Sep 3, 2003 | 09:27 PM
  #1  
JDMs1eeper's Avatar
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Default a6 head or z6 head?

Anyone have a d16a6 mini-me? is it worth it? what kinda gains?

Which would put out more power? Right now i have the a6 head on but before i sell the z6 head. would it put out more power then the z6 do you think? what should i do? sell the z6 or keep and sell a6. Going to just have topend work and keep bottomend stock. I want 140whp range.

(have ported z6 manifold with a 60mm h23 TB, intake Mani is port matched to TB)

bottomend
d16a6 w/ 57,000 miles


a6 head:
-P&P, no mill, PYR stage3 cam (race)
-The a6 pulls from 4,000-6,000 and then above 6,000 is when the cam really screams. DX tranny and DX ECU is really killing me but I'm getting the ECU rechipped and i have a Si tranny to get installed. 9.1:1 compression

z6 head:
-stock, 40,000 miles, no mill (as of right now)
-The z6 would get a .035 mill, p&p, y8 head gasket. would have around 11.1:1 compression with the mill and y8 head gasket. (correct me if wrong)
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Old Sep 3, 2003 | 10:16 PM
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Default Re: a6 head or z6 head? (Typesi2nv)

i mean, if i didnt give enough info, let me know.


I just wanna know what should I do. Would i get more out of the Vtec head or does the A6 make just as much power. Would i feel more power with the Vtec head because of the compression increase? anyone??

need to know because one of the heads need to go up forsale, thanks
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Old Sep 3, 2003 | 10:17 PM
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Default Re: a6 head or z6 head? (Typesi2nv)

what are the lift and duration specs on that pyr cam if you mind me asking?
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Old Sep 3, 2003 | 10:52 PM
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Default Re: a6 head or z6 head? (JaeOne3345)

270 duration. not sure about lift. baught it fom a guy in TX. I called PYR and peter said it is prolly in the 340-370 ange for lift. he said if they have a large Duration the lift is normaly lower on their a6 cams.

when its cold it idles at like 1,000 and it idles kinda bumpy and rough/mean

when its warmed up it idles at 500-700 very rough. cams pretty bad.
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