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Stock block b16a.......What pistons P30 or Pr3????

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Old Sep 13, 2007 | 02:51 PM
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Default Stock block b16a.......What pistons P30 or Pr3????

Even though i have been messing with hondas for many years certain items confuse me because i hear two diffrent responses. Does a Jdm B16a come with pr3 or p30 pistons?? As far as i know it is stock block! The production year is 89.

thanks
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Old Sep 13, 2007 | 04:16 PM
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Bump.....for info
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Old Sep 13, 2007 | 04:54 PM
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Default Re: Stock block b16a.......What pistons P30 or Pr3???? (QuickDxEk)

Pr3
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Old Sep 15, 2007 | 11:02 AM
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Thats what i figured!! Thank you sir!!
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Old Sep 15, 2007 | 02:56 PM
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Default Re: Stock block b16a.......What pistons P30 or Pr3???? (QuickDxEk)

CORRECTION:

P30 = JDM b16a (0.2 bump in comp over pr3)

PR3 = USDM b16a
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Old Sep 15, 2007 | 03:44 PM
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Default Re: Stock block b16a.......What pistons P30 or Pr3???? (00Red_SiR)

my jdb b16 came with pr3 pistions. obd0 tho
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Old Sep 15, 2007 | 04:30 PM
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Default Re: Stock block b16a.......What pistons P30 or Pr3???? (alterdcreations)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by alterdcreations &raquo;</TD></TR><TR><TD CLASS="quote">my jdb b16 came with pr3 pistions. obd0 tho</TD></TR></TABLE>

Good point. He said his was an 89 engine so they could very well be PR3.
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Old Sep 15, 2007 | 04:56 PM
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Default Re: Stock block b16a.......What pistons P30 or Pr3???? (00Red_SiR)

Are the PR3s perfectly compatible with the B18B Connecting rods like the P30s are (as apposed to the 1mm Milling ITR/CTR pistons need to fit on the LS Rods)?
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Old Sep 15, 2007 | 06:26 PM
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Default Re: Stock block b16a.......What pistons P30 or Pr3???? (CapnToll)

Yes, PR3s are compatible with LS rods.
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Old Sep 30, 2007 | 03:21 PM
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pr3 - usdm / jdm sirI b16
p30 - jdm sirII b16
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Old Sep 30, 2007 | 10:14 PM
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Default Re: (JDM se-R)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDM se-R &raquo;</TD></TR><TR><TD CLASS="quote">pr3 - usdm / jdm sirI b16
p30 - jdm sirII b16</TD></TR></TABLE>

exactly. and the hp rating for the SIR II was like 170ps vs 160 ps for the I. The improvements for the II were .2 compression increase, larger intake cam, and tb and intake manifold. and i think a better exhaust mani. the usdm shared a few of the mods but not many on late model b16s.
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