Stick with my y8, or use my spare PnP'd z6?
11-30-2003, 10:13 AM
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Stick with my y8, or use my spare PnP'd z6?
Alright guys, just as the title says. Should I keep my stock flowing y8 head on, or slap on my PnP'd w/3 angle valve job'd z6 head that was done by JG Engine Dynamics? I know that the flow would supposedly be better with the z6, but if I dont plan on upping my compression anytime soon, will I have a net loss due to the lower compression, or would I see gains due to the better flow? Thanks!
11-30-2003, 10:14 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (BMac86)
I would go with the z6 head. Hell 1.0 cr is only worth 10hp, and the improved head flow should be worth close that that anyway. How much does it drop the CR exactly?? You can always thin the headgasket out to help CR also.
11-30-2003, 10:20 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (Ricey McRicerton)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Ricey McRicerton »</TD></TR><TR><TD CLASS="quote">I would go with the z6 head. Hell 1.0 cr is only worth 10hp, and the improved head flow should be worth close that that anyway.</TD></TR></TABLE>
then what would be the point if you arent gaining anything?
then what would be the point if you arent gaining anything?
11-30-2003, 10:26 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (barto)
Because later on he can up the CR back to where it was and have a better flowing head. That will always help. 
11-30-2003, 10:26 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (barto)
My question exactly....if I lose around 10hp with the loss of compression, but gain 10hp with the extra flow, what's the point of the head?
11-30-2003, 10:27 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (BMac86)
But what if later on is a while from now, what would be the point of all the work to put on this head that will not really gain me anything?
11-30-2003, 10:30 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (BMac86)
Then probobally not. Not unless you plan to boost in the near future. Just hang onto the Z6 head and put it on when you get your N/A work done or just before you move on to boost.
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11-30-2003, 10:34 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (BMac86)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BMac86 »</TD></TR><TR><TD CLASS="quote">I dont plan to move onto boost lol</TD></TR></TABLE>
Oh you don't yet. Just wait until you ride in a serioulsy badass turbo car. You'll be hooked.
Oh you don't yet. Just wait until you ride in a serioulsy badass turbo car. You'll be hooked.
11-30-2003, 10:35 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (Ricey McRicerton)
I have, Supra Twin and a 911 Turbo. It's cool I guess, but my car will never be in their league, especially not without swapping my motor, and Im not doing that for a loooong time.
11-30-2003, 10:38 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (BMac86)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BMac86 »</TD></TR><TR><TD CLASS="quote">I have, Supra Twin and a 911 Turbo. It's cool I guess, but my car will never be in their league, especially not without swapping my motor, and Im not doing that for a loooong time. </TD></TR></TABLE>
pffftt...come ride in the turbo y7..you'll be hooked. Those other 2 cars you were talking about are just little kiddy rides compared to my hatch y0!!
</TD></TR></TABLE>pffftt...come ride in the turbo y7..you'll be hooked. Those other 2 cars you were talking about are just little kiddy rides compared to my hatch y0!!
11-30-2003, 10:40 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (Ricey McRicerton)
lol kiddy for the old guys? I seem to think that being left in the dust on the starting line would be a drag....
11-30-2003, 10:40 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (BMac86)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BMac86 »</TD></TR><TR><TD CLASS="quote">lol kiddy for the old guys? I seem to think that being left in the dust on the starting line would be a drag....</TD></TR></TABLE>
Yeah yeah..I forgot about the whole them smoking me part...I guess that would kind of make those more impressive than an econobox civic.... 
Yeah yeah..I forgot about the whole them smoking me part...I guess that would kind of make those more impressive than an econobox civic....
11-30-2003, 10:43 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (Ricey McRicerton)
Heh, yea, my best friend has a Tercel that's getting the starlet turbo swap put into it. For a car that weighs 2000lbs by the skin of its teeth, its gonna smoke me 
....a tercel.... 
....a tercel....
11-30-2003, 10:52 AM
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Re: Stick with my y8, or use my spare PnP'd z6? (BMac86)
Put the z6 head on and clay for clearances. If you have enough, go ahead and then deck the z6 head some to match the compression of the y8 head. I only suggest shaving off the z6 head if you don't feel you'll want to go back to a more stock compression. The other format would be to look around for a thinner headgasket for at least a little bump in comp.
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