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Changed pistons what hp gains should I expect and what compression

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Old Sep 13, 2003 | 09:33 AM
  #1  
PearlCrx's Avatar
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From: Ottawa, Ontario, Canada
Default Changed pistons what hp gains should I expect and what compression

b18a bottom end , b16a head

I had pr3 pistons now I ordered some PCT ctr pistons, I think the compression will be around 12 to 1, the head was resurfaced.

I wonder what my whp will be, head is ported polished, 3 angle, titanium retainers, dual valve spring

cat cams race cams(race ones) same specs as skunk2 stage 2, skunk2 manifold, cam gears, hondata, header , intake , exhaust , gutted car, FPR, pw0 ecu

I am thinking 190 at the wheels but well see....hoping for 200

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Old Sep 13, 2003 | 02:24 PM
  #2  
G U E C O's Avatar
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From: Formally known as stock93cx Norcal and Vegas
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my friend has a ls/vtec, dyno 173 he has ctr pistons, itr cams, all bolt ons, milled head, p&p head. i think u will be 190
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Old Sep 13, 2003 | 02:38 PM
  #3  
shant's Avatar
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From: Toronto, Canada, Canada
Default Re: Changed pistons what hp gains should I expect and what compression (PearlCrx)

sounds similar to my set up.

All Motor
Ls/Vtec
Si(R) P30 pistons
Ls rods/Arp rpd bolts
Stock Type R head and Intake Manifold (unported)
65mm Throttle Bodie
Crower cams and Valvetrain
P08 ecu chiped
Field Vtec controler
c12 race gas
jdm dc 4-1 header




Modified by shant at 6:49 PM 9/13/2003


Modified by shant at 6:49 PM 9/13/2003
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Old Sep 14, 2003 | 06:13 AM
  #4  
PearlCrx's Avatar
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From: Ottawa, Ontario, Canada
Default

thanks much appreciated, I am breaking the motor in so next week it goes on the dyno for tuning I will post numbers
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Old Sep 14, 2003 | 06:47 AM
  #5  
AussieK24's Avatar
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From: Sydney Australia
Default Re: Changed pistons what hp gains should I expect and what compression (PearlCrx)

What TB?

190-195........MAYBE 200

GL, keep us posted
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Old Sep 14, 2003 | 06:58 AM
  #6  
The Destroyer's Avatar
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From: Tampa
Default Re: Changed pistons what hp gains should I expect and what compression (AussieB20vtec)

Not sure how accurate it is, but I always use it when im lookin for a ballpark figure of oem compression.

Edit; forgot the webpage. http://www.bojangs.com/calculator/
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