9:1 JE pistons in an SI gives what CR is a GSR?
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9:1 JE pistons in an SI gives what CR is a GSR?
I have 4x 9:1 JE pistons for SI's. I would like to know what CR would it give me if I put those pistons in a gsr engine?
did a search but no luck
karl
did a search but no luck
karl
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Re: 9:1 JE pistons in an SI gives what CR is a GSR? (bcause)
c-speedracing.com has a calulator for that. Try plugging in all the correct specs and it will tell you.
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Re: 9:1 JE pistons in an SI gives what CR is a GSR? (BVM)
thanks but I don't know all the specs of the pistons..they are JE 9:1 CR 20 over for SI's and just want to know what CR they will give in the gsr engine?
[Modified by bcause, 9:29 PM 12/14/2002]
[Modified by bcause, 9:29 PM 12/14/2002]
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Re: 9:1 JE pistons in an SI gives what CR is a GSR? (bcause)
i think it would be slightly higher....(or im mixing things up ni my brain ) and its lower sorry, that wasnt much help
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Re: 9:1 JE pistons in an SI gives what CR is a GSR? (boostaholic)
a .20 over B16A piston in a B18C1 (using the GSR rods, block and head) yields 11.4:1 C/R. so i would think that a .20 over piston that yields 9.1 in a B16A motor equals 10.3:1 C/R in a B18C1 motor, a difference of 1.1:1 C/R.
but of course there may be something i'm missing. having the piston displacement specs makes it easier to calculate.
but of course there may be something i'm missing. having the piston displacement specs makes it easier to calculate.
#9
Re: 9:1 JE pistons in an SI gives what CR is a GSR? (sweet)
#10
Re: 9:1 JE pistons in an SI gives what CR is a GSR? (bcause)
I asked JE about this when i bought mine, they said my 9:1 B17 pistons would yield 8.5:1 on a B16 head.
So I imagine it you be 9.5:1 going the other way.
So I imagine it you be 9.5:1 going the other way.
#14
Re: 9:1 JE pistons in an SI gives what CR is a GSR? (REVTurbo)
9:2 100% sure
[Modified by boostaholic, 5:15 AM 12/15/2002]
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