Acura Integra All Integra Except ITR

ls vtec with pr3 pistons??

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Old Nov 27, 2011 | 07:04 PM
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carlossolorzano's Avatar
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Default ls vtec with pr3 pistons??

i have a question wat can i do to increase power on my ls vtec i have pr3 pistons in it wit ls rods,golden eagle sandwich oil line,gsr water pump,the head is a B17 of a 1993 gsr is stock wit aem cam gears,skunk2 manifold,b16 injectors,aem intake,...i was wondering wat can i do to it.
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Old Nov 27, 2011 | 07:43 PM
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Default Re: ls vtec with pr3 pistons??

cams, better header, bigger exhaust, boost, etc.

the possibilities are endless. decide how much you want to spend and what kind of power you want and go from there.
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Old Nov 28, 2011 | 06:12 PM
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Default Re: ls vtec with pr3 pistons??

but i heard that cause of the pistons i put on it i cant boost it
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Old Nov 28, 2011 | 06:28 PM
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Default Re: ls vtec with pr3 pistons??

ok maybe not boost. but you get the point.
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Old Nov 28, 2011 | 07:12 PM
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Default Re: ls vtec with pr3 pistons??

yea i get the point...wat pistons should i use if for turbo?
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Old Nov 28, 2011 | 08:35 PM
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Default Re: ls vtec with pr3 pistons??

something forged. anywhere from 9-10:1
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Old Nov 28, 2011 | 09:25 PM
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Default Re: ls vtec with pr3 pistons??

You don't have p30 pistons, and you also have a pr3 head, the compression is low enough for low boost.

If you were running JDM p30 pistons and a GSR (p72) head, then the compression would be much higher and would not be ideal for boost.

You have as much compression as a GSR I believe, and it is boostable.

If you want to stick N/A, work on the head. Honda gets power through the head, I'd say cams/valvetrain first.
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Old Nov 28, 2011 | 09:42 PM
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Default Re: ls vtec with pr3 pistons??

that compression comes out to ~11.8:1. p30's would be even higher.
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Old Nov 29, 2011 | 03:58 AM
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Default Re: ls vtec with pr3 pistons??

You can still boost at that compression but you better get it tuned because you don't have much room for error
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Old Nov 29, 2011 | 04:17 AM
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Default Re: ls vtec with pr3 pistons??

bigger cams and injectors would be my next step along with a tune
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Old Nov 29, 2011 | 10:15 AM
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Default Re: ls vtec with pr3 pistons??

have you tuned the car yet? That'll give you more power.
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Old Nov 29, 2011 | 11:42 AM
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Default Re: ls vtec with pr3 pistons??

Originally Posted by Jdubbs6101
You can still boost at that compression but you better get it tuned because you don't have much room for error
more like no room. the tuner better know what he's doing otherwise you just end up pulling so much timing to prevent detonation there's no point.
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Old Nov 29, 2011 | 11:58 AM
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Default Re: ls vtec with pr3 pistons??

Originally Posted by doood
that compression comes out to ~11.8:1. p30's would be even higher.
He is right. With p30s and a gsr head it would be closer to 12.5 haha. So at 11.8-1 you COULD boost but I would be frightened haha
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