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what compression piston should i order????? help.

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Old 12-07-2003, 10:46 AM
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Default what compression piston should i order????? help.

im using a gsr block and a type r head and i need 10.0:1 or 9.8:1 what compression should i order.???????????????
Old 12-07-2003, 01:26 PM
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Default Re: what compression piston should i order????? help. (dilsnickracing)

what is your planned setup? What are you planning on doing with the car? Tell more.
Old 12-07-2003, 02:39 PM
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Default Re: what compression piston should i order????? help. (Bnjmn)

83mm gsr turbo. what is the compression i need to order


Old 12-07-2003, 05:05 PM
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Default Re: what compression piston should i order????? help. (dilsnickracing)

I go with 9:1cr
Old 12-07-2003, 05:18 PM
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Default Re: what compression piston should i order????? help. (9psiTurboSI)

It all depends what you want.... I'm going with 9.8:1 to keep slightly higher compression, but in all reality you could always have a lower compression and run more boost to make up for it.
Old 12-07-2003, 05:45 PM
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Default Re: what compression piston should i order????? help. (dilsnickracing)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dilsnickracing &raquo;</TD></TR><TR><TD CLASS="quote">im using a gsr block and a type r head and i need 10.0:1 or 9.8:1 what compression should i order.???????????????</TD></TR></TABLE>

haha i've been contemplating the same thing for the longest time.
Old 12-07-2003, 05:56 PM
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Default Re: what compression piston should i order????? help. (accordfreak)

We are running 10:1 and 28psi looking to go 35psi in a couple of months. I like the higher compression 9:8 or 10:1.
Old 12-07-2003, 05:57 PM
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Default Re: what compression piston should i order????? help. (Rickyh93)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Rickyh93 &raquo;</TD></TR><TR><TD CLASS="quote">We are running 10:1 and 28psi looking to go 35psi in a couple of months. I like the higher compression 9:8 or 10:1. </TD></TR></TABLE>

what's the most boost you can run with just pump gas?
Old 12-07-2003, 07:24 PM
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Default Re: what compression piston should i order????? help. (accordfreak)

I don't know if there is a particular number, it's all about where you start to lean out and/or knock

I'd say 20 on pump gas is the highest I would go.
Old 12-07-2003, 08:04 PM
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Default Re: what compression piston should i order????? help. (btleier)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by btleier &raquo;</TD></TR><TR><TD CLASS="quote">I don't know if there is a particular number, it's all about where you start to lean out and/or knock

I'd say 20 on pump gas is the highest I would go.</TD></TR></TABLE>

it all depends on your cr

Old 12-08-2003, 05:35 PM
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Default Re: what compression piston should i order????? help. (bottlefedb18c1)

no no no no no no i have decided to run 9.8 or 10 already i just need to know since im using a type r head not a gsr how this will affect the cr you know since the combustion chamber is.
Old 12-08-2003, 06:25 PM
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Default Re: what compression piston should i order????? help. (dilsnickracing)

Your talking about how much will the Type-R head affect or change your 9-10 compression ratio? If both heads are the same (but we know they are not) as far *** the valve chamber measurements, the compression shouldnt change.
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